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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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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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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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Ratings 25 - 125A three and four pole
Comply with IEC 947-3 AC23 utilisation category
Disconnecting electrical equipment from the main
Visible indication of contacts status (when operation handle is in the 'OFF' position all contacts are open)
Red/Yellow emergency stop operating handle
Handles padlockable in the 'OFF' position
Front and rear mounting options
Special emergency stop switches with undervoltage release available
Enclosed versions available
Wide choice of accessories : terminal shrouds, black/grey operating handles, auxiliary contact blocks, fixed and switched neutral add-on contact poles, shaft extensions for greater panel depth operation
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Safely equipped for all cases
According to EN 292-2 (Machine safety), movable guards must be provided with safety switches. Protective door bolts for protective devices work in tandem with SICK safety switches. On deliberate opening of the protective device, the N/C contact of the safety switch is opened and the hazardous motion of the machine is brought to a standstill.
Developed for harsh industrial everyday use
SICK products easily withstand harsh conditions such as impacts and vibrations. Opening, closing and locking is reliably guaranteed over a long lifetime. SICK safety switches are available in plastic or metal versions.
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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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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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Explosion Proof Switches - Type GLS-Ex - GLS-SS-Ex
Safety Switches with positively operated ATEX Eexd llC T6 certified explosion proof blocks.
Part No Type Pre-wired cables Contacts
142025 GLS-Ex 1 x 3m. 4 core 1NC 1 NO
142028 GLS-Ex 1 x 3m. 4 core 2NC
144025 GLS-SS-Ex 1 x 3m. 4 core 1NC 1 NO
144026 GLS-SS-Ex 1 x 3m. 4 core 2NC
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Emergency pull-wire switches
ZS 80
Metal enclosure
4 contacts
Position indicator and integrated emergency-stop push button
Wire length up to 75 m
Pretensioning force 100 N
Lever for release and position indication
Watertight collar
Wire pull and breakage function
Indicator lamp available
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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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Ex-Safety and Main Current Switches
CEAG safety switches can be protected against inadvertent switching on by our integrated locking facility for up to three padlocks in the OFF position.
To prevent manipulations, the enclosure covers cannot be opened in the locked position without destroying the enclosure itself.
All CEAG safety switches feature full AC-3 motor switching capacities and isolating properties according to EN 60947-4-1 with compulsory opening of the main current contacts; optional EMERGENCY STOP versions according to EN 60204-1 are also available.
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Explosion Proof Switches - Type GLES-Ex - GLES-SS-Es
Safety Switches with positively operated ATEX Eexd llC T6 certified explosion proof blocks.
Part No Type Pre-wired cables Contacts
146003 GLES-Ex 1 x 3m. 4 core 1NC 1 NO
146004 GLES-Ex 2 x 3m. 4 core 3NC 1 NC
146005 GLES-Ex 1 x 3m. 4 core 2NC
146006 GLES-Ex 2 x 3m. 4 core 2NC 2NO
147003 GLES-SS-Ex 1 x 3m. 4 core 1NC 1 NO
147004 GLES-SS-Ex 2 x 3m. 4 core 3NC 1 NC
147005 GLES-SS-Ex 1 x 3m. 4 core 2NC
147006 GLES-SS-Ex 2 x 3m. 4 core 2NC 2NO
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Explosion proof switches are used wherever the ambient conditions are such that the presence of inflammable substances, oxygen and a source of ignition are to be anticipated simultaneously. The primary applications are to be found in the chemical and petro-chemical industries as well as paint lines. Protection against explosions is often also necessary where a large collection of line powder can develop such that a movement of air can lead to a spontaneous detonation. Examples include mills, wood processing and food processing industry.
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The installation switches are used for lighting installations. For greater clarity when the lighting fails, a phosphorescent strip is inlaid in the switch lever.
The switch position is shown unambiguously by the 90°C action. This is especially convenient if lights and switch are in different rooms.
Installation Switch Series 8030:
Explosion protection to CENELEC, IEC
For use in Zone 1 and Zone 2, Zone 21 and Zone 22
Degree of protection IP 65
Robust moulded plastic enclosure
Large switch lever with phosphorescent inlaid strip
Watertight Switch Series TEF 1239
For use in Marine application, Safe area
For use in harsh environments and adverse weather conditions
Solid brass execution
Easy mounting
Switch with extremely low lifecycle cost
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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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Lift devices
For more than 20 years Pizzato Elettrica has been producing a wide range of position switches extensively used on the lift sector. Its evident reliability and its quality-price ratio have made Pizzato products the first choice of the most important multinational companies who have selected and adopted them worldwide. Furthermore for this sector the company has developed a series of specific products such as switches for over-speed devices and switches for floor leveling operation.
Among the new products 2007 Pizzato Elettrica has introduced an innovative device with reset for over-travel control switches and a new series of compact and reliable door switches. Very important also has been the introduction of the new microswitches, the MK series which has renewed the company’s offer for the door operation control.
A dedicated brochure comprehensive of all the products used on the lift sector is available in Italian and English on demand or on the company web-site www.pizzato.com.
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With most elevators the position of the elevator car is determined by magnetic switches. Here the elevator technology division of the Schmersal group offers an extensive program. In addition the assembly-friendly, contact-free USP system is at the disposal, with which the car position is determined over the running time of the ultrasonic signals in a special wire.
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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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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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The FailSafe GuardSwitch is designed as a safety interlock to be attached to a machine's guard or door. Unlike a standard reed switch interlock, the circuit has been designed to have an "open" failure mode. If the main reed sticks closed when the guard opens, the in-line fuse will blow, opening the circuit. If the watchdog reed sticks closed when the guard closes, the in-line fuse will blow, opening the circuit. The circuit will draw up to 4.5A to blow the fuse in less than 200ms. Along with being FailSafe, all the 200 series switches have non-coded actuators.
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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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Position switches for high temperature
For more than 20 years Pizzato Elettrica has been producing one of the world most wide range of position switches, safety switches, microswitches, foot switches. Pizzato Elettrica products are usually used worldwide in different industrial sectors characterized by their reliability and their quality/price ratio.
Eventually the range of products in the survey sector has been growing covering very specialized sectors such as switches in conformity with ATEX directive and switches with electronic contacts.
Among the various new products 2007 Pizzato Elettrica has introduced a new series of position switches especially studied for high temperature application. These products are characterized by their long mechanical life in relation to the working temperature, that is up to 1 million operation cycles at +180°C.
A dedicated brochure on these new products is available on the website www.pizzato.com.
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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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Switches: position switches, safety switches...
