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Explosion Proof Switches - Type KP-Ex
Safety Switches with positively operated ATEX Eexd llC T6 certified explosion proof blocks.
Part No Type Pre-wired cables Contacts
200016 Kobra KP-Ex 1 x 3m. 4 core 1NC 1 NO
200019 Kobra KP-Ex 1 x 3m. 4 core 2NC
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IDEM has launched The Kobra 'Hygiecam' KL3-SS , the world's first Solenoid Locking Tongue Interlock Switch in a fully Stainless Steel 316 housing. The switch has a mirror polished finish and is designed to cope with the rigorous high pressure hose cleaning demands of food and beverage manufacturing industries.
The KL3-SS is a compact, slimline locking switch designed to fit to all general applications.
The housings are IP69K rated and provide guard locking for medium to heavy duty guards (up to 3000N.).
The head is rotable to provide 8 actuator entry positions and all fittings including the actuators are made from Stainless Steel 316 to provide tough mechanical and environmental durability.
The switch is released by applying power to the solenoid after the machine is stopped.
A uniquely designed mechanism means that 2 sets of positively driven contacts are provided to monitor the actuator position and the solenoid status independently.
4NC Safety and 2NO auxiliary circuits are provided plus there are 2 LED's to provide independent diagnostics for the solenoid status and the actuator lock status.
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The Hygiemag WMR Magnetic Non Contact Interlock Switches offer a wide industry robust fitting and provides environmental protection up to 105°C.
The housings are fully Stainless Steel 316 with mirror polished finish and they are designed to cope with the rigours of CIP and SIP cleaning in food processing industries. (IP69K High Pressure Chemical Cleaning).
In addition to the high specification enclosure the switch offers a wide 14mm sensing distance, a high tolerance to misalignment, provides up to 2NC 1NO power circuits (up to 2A.) and will connect to most popular Safety Monitoring relays to provide up to Cat. 4 EN 954-1.
Features:
Fully Stainless Steel 316 housings
Mirror polished finish
High Mechanical Life
IP69K enclosure protection - High Temperature Cleaning
Wide robust fitting - 30mm wide
M12 Flying Lead connector versions
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Idem Safety Switches have launched the first fully Stainless Steel 316 Universal Tongue Interlock switch to cope with the rigorous demands of the food, beverage and pharmaceutical environments.
The Kobra K-SS has a universally established industry footprint suitable for most general applications and is suitable were high humidity or chemical washdown is required e.g.Food and Beverage Processing and Petro-Chemical Industries. The housings are IP69K rated and are suitable for CIP cleaning and high pressure hosing.
Features:
Fully Stainless Steel 316 housing - double seal gasket
IP69K enclosure protection - High Temperature 100C. Hose Down
Universal fitting - established footprint suitable for most general applications
60 mm wide 100 mm long
4 pole contact blocks - (replaceable)
Head can be rotated to give 4 actuator entry positions
Standard or Flexible actuators
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Tongue - Interlock Safety Switch - Type IDIS-1
Positive opening safety contacts to IEC 947-5-1 Compact version - fits on 22mm hole centres EN 50047 body Head position adjustment to give 8 actuator entry positions High Mechanical Life 1,000,000 cycles Enclosure Protected to IP 66/67 - washdown suitable Conduit entries: M20 ½" NPT or Quick connect
Part No Type Contacts Fittings
190001 Angled Actuator 2NC 1NO M20
190002 Angled Actuator 2NC 1NO 1/2" NPT
190003 Angled Actuator 2NC 1NO QC
190004 Flat Actuator 2NC 1NO M20
190005 Flat Actuator 2NC 1NO 1/2" NPT
190006 Flat Actuator 2NC 1NO QC
190007 Plastic Flex Actuator 2NC 1NO M20
190008 Plastic Flex Actuator 2NC 1NO 1/2" NPT
190009 Plastic Flex Actuator 2NC 1NO QC
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Command devices are of great importance for the man-machine interface in the area of industrial applications. For example, they are mounted in switch-boards, control panels, two-hand control panels, in lift manufacture and on materials-handling plants, including conveyors. Manual actuation of the devices starts operating sequences and functional processes or serves to bring these to an end.
Emergency Stop command devices are generally connected in the safety circuit of a machine or plant and are of particular importance in terms of the control system for these. In case of a fault or accident, the secure function and quick accessibllity of Emergency Stop command devices can be crucial for saving life, limiting the degree of injury to personnel or the extent of damage to a machine.
New requirements are placed on the mode of operation of these command devices by the new harmonised European Standard EN 418 regarding functional aspects and recommendations for the arrangement of Emergency Stop equipment.
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Different versions available.
Position switches are used to monitor the position of moving parts of machines and plant. Can be used in safety circuits, as the device satisfies EN 60947-5-1 / DIN VDE 0660 part 200, and the opening contacts are positive opening. The position switch with positive opening contacts has been tested to the professional association test standard GS-ET 15 of the German Employer Liability Insurance Association, and is thus licensed for personnel protection functions. Category 1 safety position switches have contact and actuating element in a single constructional and functional unit. Category 2 safety position switches do not have contact or separated functionally. As a result of galvanic isolation of the moving contacts, the position switch is suitable for switching various potentials.
Explosion protection to CENELEC, IEC
For use in Zone 1 and Zone 2, Zone 21 and Zone 22
Enclosures have protection class "increased safety"
Replaceable contact elements in flameproof enclosure
All attachments can be displaced through 4 x 90°
Design also possible with cable already attached
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Thermoplastic enclosure
Slow action
Max. 2 contacts
Cable
available with cable entry on side
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Safety switches ensure the obligatory isolation of electrical power under condition of equipment cleaning, maintenance and repair. Other methods of isolation, e.g. rmoval of fuses or disconnection of motors, which require qualified electricians are unnecessary.
3 and 6 pole switches 12 A / 16 A, 25 A, 40 A, 63 A / 80 A, 125 A / 160 A, 250 A, 315 A, 400 A, 500 A
Explosion protection to CENELEC, IEC
For use in Zone 1 and Zone 2, Zone 21 and Zone 22
Motor switching capacity AC 3 and AC 23 acc. to IEC 60 947-3, EN 60 947, DIN VDE 0660 part 107
With or without up stream contact
Definite opening for main contacts
Isolating switches acc. to DIN VDE 0660
Can be padlocked in "OFF" position
Non-reversible switch with defined switch position
High level of corrosion resistance in external components
Marked with signal orange label "Safety Switch"
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Eden is a new non-contact sensor using dynamic signal transmission. The sensor operates to category 4 according to EN 954-1 and has an extended sensing distance. Several Eden sensors and light beams can be connected in the same safety circuit and dynamically monitored by the Vital safety module.
We also offer several other types of interlocking devices. The Emergency Stop Grab Wire safety switch JSNY10 provides 'emergency shutdown' up to 25 metres.
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Non-contact safety switches provide considerable advantages where tough ambient conditions apply. They are also especially suitable for use on imprecisely controlled safety equipment. Non-contact EUCHNER safety switches operate on the basis of clearly coded actuators. Manipulation of an actuator is thus impossible. Supply voltage and data transfer to the coded actuator are realized by means of a non-contact inductive read head. A monitoring output is additionally available for the safety outputs. Through the redundant design of the evaluating device, the safety switch can be used for the highest safety requirements up to control category 4 according to EN 954-1.
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Position switches are used wherever moving parts on machinery and plants need to be positioned, controlled and monitored.
The design details in relation to body dimensions, materials, electrical loading capacity, rated values and quality characteristics are to a great extent determined by the variety of application, from precision mechanics to heavy engineering.
Many of the position switches fulfill the requirements of the IEC 60947-5-1 product standard and can therefore also be used as position switches with safety function.
The position switches are available with snap action or slow action.
A wide variety of actuator heads are available. The majority of units are also obtainable with metal rollers.
The position switches are shown in the sequence of body sizes, starting with the smallest design.
Schmersal make both standard and AS-i Safety at Work safety modules.
Click here to see the AS-i models
Or for the standard models click below
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Our huge standard programme with its diversity of housings has the optimal solution for almost any application. The various types of clamp or the dovetail connections directly integrated into the switch mean that the switches can be fitted on almost any type of cylinder. Our range also includes pneumatic cylinder switches for T-section cylinders. All the models can be supplied with dry reed contact with variable power capacities or in the electronic version. If you wish, we can develop completely new customer-specific sensors to meet your requirements.
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Position switch with radio technology
low energy and radio emission
works self-sufficient without battery
different actuataors available
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Z/T and E.95 range position switches are suitable for sliding and hinged safety guards, which need to be closed to ensure the necessary operational security.
In combination with AES and/or AZR range safety monitoring modules all position switches class 1 shown in this chapter achieve Control Category 3 or 4 to EN 954-1.
Further applications for positions switches class 1 are most varied positioning duties. The variety of requirements to be found in practice can be met in detail by means of a wide range of actuating elements.
Design and mode of operation:
On the position switches class 1 the guarding device and the positive break NC contact are positively linked.
Schmersal make both standard and AS-i Safety at Work position switches with safety function.
Click here to see the AS-i models
Or for the standard models click below
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Pull-wire emergency stop switches are mounted on machines and sections of plants which cannot be protected by guards. In contrast to mushroom head Emergency Stop push buttons, on pull-wire switches the Emergency Stop command can be initiated from any point on the wire.
In combination with one of the AES and AZR range safety monitoring modules, see chapter 10.3, ZS range pull-wire emergency stop switches can be used for Control Category 3 or 4 to EN 954-1.
Design and mode of operation:
All of the pull-wire emergency stop switches conform to European Standard EN 418. They have a positive linkage between the NC contacts and the wire rope. The pull-wire emergency stop switches are brought into the operational condition by pre-tensioning the wire, i.e. the NC contacts are then closed and the NO contacts open.
Schmersal make both standard and AS-i Safety at Work pull-wire emergency stop switches.
Click here to see the AS-i models
Or for the standard models click below
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Pizzato Elettrica has designed and patented new accessories to install the rope of safety switches faster and to obtain an aesthetically more pleasant system.
The new accessories, in comparison with the traditional fixing system through carpentry material, have the following advantages:
%u2022 The installation is faster because only one screw is used for the fastening of every rope extremity, and the parts are prepared to ease the installation. Some practical tests have pointed out that the installation time is halved, reason for which it is named FAST.
%u2022 The system is aesthetically pleasant, because thread parts (which sometimes tear operators%u2019 dresses) and the rope extremities, usually fixed by heat-shrinkable sheath or adhesive tape, have been hidden.
%u2022 The red plastic covers of the fixing parts have been developed also for the function of controlling the rope clamping. If the rope fastening screw is not fixed tightly enough, the cover cannot pass.
%u2022 The rope is fixed without folds, thus reducing the rope stabilisation time and the possible re-calibrations of the rope tightening.
Furthermore two sturdy pulleys has been introduced in applications where the rope is very long in order to support the rope length or to bend its route. They are designed to avoid any deformation and to allow the rope to remain in its seat also when it is energetically activated.
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The EUCHNER safety engineering offers you a wide range of safety switches and accessories. Safety switches are safety devices which are used to monitor movable safety guards. The safety switches differ from the following categories:
- Safety Switches category 1 or 2
- Housing (anodized die-cast light alloy or glass fibre reinforced plastic housing)
- Safety switches with or without interlock
- Switches in which the magnetic tumblers are monitored or switches without monitoring of the tumblers
- Mechanical, non-contact or electronic safety switches
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Safety Switch STA
The robust metal safety switch STA is dimension-compatible with the proven EUCHNER safety switches TP and STP in plastic housings. Due to its die-cast aluminum housing and its high degree of protection IP 67, the switch can withstand even extreme ambient conditions. Like the switches TP and STP, the safety switch STA also offers a guard locking and a guard locking monitoring. A great variety of switching elements is available. The contacts can switch a minimum current of 1 mA. Therefore the safety switch STA is suitable for use in safe control systems.
Features
Robust design
3 cable entries
High degree of protection IP 67
LED upon request
AS-Interface version upon request
BG approval (pending)
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Application:
Safety switches with separate actuator are suitable for sliding, hinged and particularly removable safety guards, which need to be closed to ensure the necessary operational security. They are also suitable for fitting on profile sections and existing equipment.
In combination with safety control modules all safety switches with class 2 shown in this chapter achieve Control Category 3 or 4 to EN 954-1.
Design and mode of operation:
On the safety switches with class 2, the switching element is not physically connected to the actuator but functionally brought together or separated for switching. When the guarding device is opened, the actuator is separated from the base unit. In the process, NC contacts are positively opened and NO contacts closed.
Enclosure rating of all the safety switches is IP 67. The safety switches can be fitted in any desired mounting position.
Schmersal make both standard and AS-i Safety at Work safety switches with separate actuator.
Or for the standard models click below
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Honeywell MICRO SWITCH™ Safety Switches
Full-Scale Offering. Solid, Robust Industry Knowledge.
Whether you're an end-user or OEM, you face an ongoing challenge: to keep your machines and equipment operating safely and productively, while meeting all global workplace safety standards. When you need comprehensive solutions for machine safeguarding, Honeywell helps you meet the challenge with one of the industry's broadest switch portfolios.
Honeywell offers you choices to ensure that your needs are met in the safety arena. Designed with OEMs in mind, we offer safety switches in every size.
-Miniature switches – less than 50 mm [2 in] square – for smaller doors and openings
-Trapped key and solenoid key switches for large, heavy doors
-Cable pull switches for conveyor or perimeter guarding.
-Non-contacting switches for small door position detection
And, all our products are backed by the Honeywell brand, service, and global support.
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SOLENOID CONTROLLED INTERLOCK SWITCH with 1 to 6 key slots
Electromechanical rotating latch that permits the interlocking of the power circuit up to 22kW and 380V
Takes into account one supplementary condition (zero speed, timer, etc…)
It frees between 1 and 6 keys by voltage emission
The position of the contacts is associated with the motion and position of the main key
Key Logic:
• 1 key slot: Key liberation by voltage emission.
• Association (+) of keys by voltage emission
• Interchanging ( / ) of keys:
1 key free and various keys locked, by voltage emission
Positive Safety: Electromagnet retracts mechanically when re-
locking.
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Pizzato Elettrica introduces in the market of switches for potentially explosive environments a range of products that can satisfy the requirements of all the users. There are different switch series available in conformity with the directive ATEX 94/9/CE in the categories M2, 2G, 2D plus the new categories 3G and 3D (zones 2 and 22) introduced with the new regulations.
The approved products include both the position switches and the safety switches with different contact blocks and actuators. To introduce these products on the market there’s a special brochure available which can be downloaded from the web-site www.pizzato.com.
Pizzato Elettrica is an established company with more than 20 years experience in the sectors of position switches and safety devices for machineries. The products are entirely planned and produced in Marostica - Italy in compliance with the standard ISO 9001 and they undergo the inspection by a third party for product conformity.
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The Idemag WPR Non Contact Interlock Switch range offers a robust wide fitting and provides environmental protection up to 80C. They are suitable for high pressure hosing (IP66/67) and are resistant to many organic and non organic chemicals.
The housing is finished and sealed with a fitted back plate for extra mechanical and environmental durability.In addition to the high specification enclosure the switch offers a wide 14mm sensing distance, and a high tolerance to guard misalignment.They are designed to fit to medium to large guards.
They offer 2NC high power (up to 2A.) circuits and will connect to most popular Safety Monitoring relays to provide up to Cat. 4 EN 954-1. An auxiliary signalling contact is available. The high power components and de-rating with an internal fuse mean they may be suitable for use in lower risk applications (subject to a risk assessment for the application).
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The Idemag CPR Non Contact Interlock Switch range offers a compact slimline fitting and provides environmental protection up to 80°C. and is suitable for high pressure hosing (IP66/67).
The housing is finished and sealed with a fitted back plate for extra mechanical and environmental durability.
In addition to the high specification enclosure the switch offers a wide 14mm sensing distance, a high tolerance to misalignment and can be actuated rom either the side or front switch face.
They provide up to 2NC 1NO circuits and will connect to most popular Safety Monitoring relays to provide up to Cat. 4 EN 954-1.
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SAFETY CODED MAGNETIC SENSOR, SR series
Pizzato Elettrica extends its range of safety magnetic sensors by introducing the SR A series which distinguishes itself from the SR B series in the reduced dimensions.
Both series are devices studied to monitor protections and guards that, when linked to a safety module, can create a system up to safety category 4, according to EN 954-1. These products are composed by a magnetic field monitoring sensor, which is connected to the machine structure; and by a coded magnetic actuator, which has to be connected to the mobile guards. The sensor is manufactured to be activated only by the correct coded actuator and not through a common magnet.
Pizzato Elettrica safety sensors distinguish themselves by following main features:
- Insensitivity to dirt as totally sealed, making them especially proper to be used in the food-industry sector.
- Wide actuation zone, characteristic appreciated in the use of inaccurate protections or for protections that can change their mechanical characteristics through the time.
- Centering mark on the housing as a reference for the operating distances
- Possibility of connection in series more sensors also with mechanical switches.
- Actuation from two different directions.
- Available with cable or M8 integrated connector.
- Actuators with operating distance of 5mm or 8 mm.
The new sensor series complete the wide range of products that Pizzato Elettrica can offer in the machine safety field. For further information visit the web-site www.pizzato.com
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NEWS 2009
SAFETY SWITCHES HINGE-SHAPED, PALLADIO LINE
Pizzato Elettrica widens the own range of products making a new series of safety switches hinge-shaped named Palladio, where thanks to an aimed planning and a punctual analysis of the market requirements, safety and style are melted in one single product. The switch is completely integrated in the mechanical hinge, to result practically invisible to an inexpert eye: this guarantees a higher safety.
The assembly without visible screws and the pleasant line, make the switch perfectly integrated also with guards of modern design machinery.
In order to complete the offer it's available also the new variant of the safety switches hinge-shaped, Palladio line, HP AB, whose main features are:
- Version suitable for the direct assembling of glass plates or polycarbonate plates. The wider arm support and the spaced fixing points make installation easier, avoiding the developing of cracks when the holes are too close to the protection rim
- Version with working angle different from 0°
- Metal housing, cable output from bottom, from top or from back
- 4 integrated cable types available
- Versions with M12 connector
- Adjustable operating point, which allows the setting possibility for large guards
- Protection degree IP67
- 9 contact blocks available
- Additional hinge available with purely mechanical functions
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The Hygiecode SMC Non Contact Interlock Switch range offers a compact yet robust 22mm fitting and provides environmental protection up to 105°C. and is suitable for high pressure hosing. The housing is finished and sealed with a stainless steel back plate for extra mechanical and environmental durability.
In addition to the high enclosure specification the switch offers a wide 14mm sensing distance, a high tolerance to misalignment, LED indication of switch status, 'anti-tamper' coded magnetic actuation, and 2NC 1NO switching circuits to cope with modern industrial control requirements.
They will connect to most popular Safety Monitoring relays to provide up to Cat. 4 EN 954-1 and SIL 3.
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Limit switches
The Limit Switch range from Crouzet is characterized by:
- Wide range of metal or plastic bodies
- Large choice of actuator types (push, plunger, roller, tappets, flexible, etc.)
- Connection possible by gland, cable or connector
- High resistance to accidental shocks
- Waterproof or splash protection available
- Suitable harsh environments
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NEWS 2009
MODULAR PREWIRED SWITCHES NA-NB-NF SERIES
Always consistent with its innovation and the company quality targets, Pizzato Elettrica introduces three new prewired switches series provided with innovative and unique characteristics.
The main features of these products are:
- Separation between the switch body and the wired connector, which allows the user to change a product in the field without having to completely remove the wires.
- 14 contact blocks available: these series contact blocks are versatile and compact. In the same space of the previous versions now it’s possible to have up to 4 different contacts, provided with positive opening.
- 35 actuators available, some of these were not available in the previous series: based on chosen actuator, many products variations are available.
- Single pieces of these products can be purchased separetely: this is advantageous to distributors of electrical material for stock flexibility and final customers for spare parts or new combinations.
- Metal housing (NA-NB) and polymer housing (NF), adjustable cable output.
- 3 (NA-NB) or 2 (NF) types of integrated connector cable.
- Protection degree IP67.
The new series support the FA-FB-FF series, which are currently present in the market, proposing in this way one of the widest products range in the position switches sector.
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