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Take control of electrical safety
... with PMDsrange and PMDsigma electronic monitoring relays
For electrical safety such as voltage or true power monitoring, electronic monitoring relays provide the optimum solution.
Complete machine control – Standard-compliant and safe
… for stand-alone machines and plants with up to 14 safety functions
PNOZ safety relays :
Use PNOZ safety relays for stand-alone machines and plants with up to 14 safety functions. You can use these to monitor functions such as E-STOP, safety gates, light curtains/light grids and many more, safely and in compliance with the standards
A wide range of safety applications are now available to customers :
- Safety relays PNOZ X
- Electronic safety relays PNOZelog
- The modular and freely configurable electronic safety system PNOZmulti
- The new PNOZ, PNOZsigma, with particularly narrow housing widths and multifunctionality compressed into each unit, represents maximum functionality in minimum width...
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Safety relay
Family of safety relays for the interfacing of one integrated light curtain equipped with the EDM (external device monitoring) function, that is of the series Admiral AX and Vision VX.
Two models with two different type of guided - contacts safety relays:
- ADSR0 with 2NO and 1NC contacts
- ADSR0A with 2 NO contacts.
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Safety-implemented circuits must be control reliable as mandated in U.S. and European standards. Control reliability is not provided by simple redundancy. There must also be monitoring of the safety circuitry to assure that redundancy is maintained. Monitoring may be achieved by using Omron STI safety monitoring relays that range in function from two-hand palm button control to dual channel input units with time-delayed outputs that conform to ANSI B11.19-2003, Section 6.1 for Performance of the Safety Related Function(s). All safety relays carry the CE mark and are designed to incorporate three points of safety in their operation to meet both European and U.S. requirements. All safety relays are UL and C-UL listed.
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Multifunction Safety Units (MFUs) provide relay output switching capability. They are typically used in conjunction with the 1000 Plus Series range of safety light curtains, which incorporate two fail-safe, electronic output switches as standard. In addition to providing relay outputs they also provide additional functionality including muting, E-Stop inputs, manual / auto restart and external device monitoring (EDM).
Features:
- Suitable for a wide range of machine safeguarding applications
- Safety monitored output relays
- Safety integrity classification up to EN 954-1 - Category 4
- Simple installation
- External Device Monitoring (EDM)
- One year manufacturers warranty
- DIN Rail mounting - 70 mm enclosure
- LED status indicators
- Reset function
- Dual inputs for connecting emergency stop circuit
- Simultaneous monitoring between related channels
- Connect up to 2 light curtains
- Dual mute inputs
- Auxilliary electronic output for status indication
Product Range:
011-149 Safety relay outputs with dual safety light curtain inputs
011-150 Safety relay outputs with two dual safety light curtain inputs and E-Stop connection
011-151 Safety relay outputs with dual light curtain inputs and dual mute inputs
011-154 Safety relay outputs with dual light curtain inputs and dual mute inputs and mute enable
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The Rational Solution: Bernstein safety relays for all applications
Bernstein AG offers a complete range of products to suit your particular application, from the safety switch to the safety relay. Our SCR safety relays (safety gate monitoring devices) are designed to reliably monitor input signals, e. g. those generated by Bernstein limit switches, safety-switches, -interlocking switches, -rope pull switches, -sensors or two-hand controls.
Bernstein SCR relays are housed in slim-line DIN rail housings, but despite their compact dimensions they have a huge range of applications right through to control category 4 in accordance with EN 945-1.
As defined by this standard, the SCR relays monitor the correct position and reliable operation of inputs from the safety sensors or safety switch contacts. Evaluation of this information is made and the safety outputs controlling the power elements such as power contactors or frequency converters will either stop the machine in an emergency or allow re-start when safe to do so. A further check of ‘power elements’ correct stop function is made via the feedback loop.
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For over 150 years Hengstler™ has been a respected European company and is today represented worldwide as a leader in the development of electronic event timers and counters, industrial rotary encoders and digital counters as well as broad range of related industrial components including relays, thermal printers and cutters. Hengstler has been a division of Danaher Industrial Controls Group since 1995.
Products:
Factory Automation & Feedback Controls: Absolute/Incremental encoders, counters, timers and indicators and safety relays
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The INTs are safety monitoring relays designed to be used with the
300-BT switches. They are ideal for machine guarding and meet CE
Category 3 and 4. INTs are force-guided FailSafe and DIN Rail mountable.
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An integral part of every control system the IMO Safety relays offer flexibility in design as well as space savings.
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TGR-Z
- Relay for emergency stop
- Built according to the VDE 0113-1 11/98 standards
- Category 2 according to EN 954-1
- Single-channel operation
- Connections for emergency pushbutton
- Connections for reset pushbutton
- 2 safety contacts N.O.
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The multifunctional concept of the S² series provides cross-circuit detection and evaluation of non-equivalence signals up to safety cat. 4. In addition to emergency-stop and safety door monitoring, these safety standards can also be used for safety mats and light curtain. Two-hand control and time delay for controlled shutdown complete the TELE range of safety products for man and machine.
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4 Pole safety relay with either 2 NO+2 NC or 3 NO+1 NC contacts
Forcibly guided contacts according to EN 50205
Rated current 8 A
High insulation distances for safe separation of electrical circuits
RoHS compliant (Directive 2002/95/EC)
Applications
Emergency shut-off, press control, machine control, elevator
and escalator control, safety modules
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E-1048-60.
Solid State Remote Power Controller (DC 24 V, max. 4A), providing protection and signalisation
E-1048-7..
Solid State Remote Power Controller (DC 24 V, max. 4 A), providing protection and signalisation
E-1048-8C
Smart Power Relay (DC 9...32 V, max. 25 A), remotely controllable electronic load disconnection relay
E-1048-8I.
Smart Power Relay (DC 9...32 V, max. 20 A), remotely controllable electronic load disconnection relay
E-1048-8D.
Smart Power Relay (DC 9...32 V, max. 25 A)
E-1071-073
Solid State Remote Power Controller (DC 24 V, max. 3A) with protective functions, 1 signal contact
E-1071-128
Solid State Remote Power Controller (DC 24 V, max. 3 A) with protective functions, 2 status outputs
E-1071-343
Solid State Remote Power Controller (DC 48 V, total max. 4 A, double unit), 1 signal contact
E-1071-353
Solid State Remote Power Controller (DC 24 V, total max. 4 A, double unit), 1 signal contact
E-1071-603/607
Solid State Remote Power Controller (DC 24 V, max. 3.1 A), adjustable, 2 status outputs
E-1071-803
Solid State Remote Power Controller (DC 24 V, max. 2 A), adjustable, 1 signal contact
E-1072-100
Double pole SSRPC (DC 24 V, max. 3 A), 2 fault indications
E-1072-210
Double pole SSRPC (DC 24 V, max. 2 A), 2 fault indications, 1 status indication
E-1072-220
Double pole SSRPC (DC 24 V, max. 2 A), 2 fault indications, 1 analogue output
E-1072-CF2
Double pole SSRPC (DC 24 V, max. 3 A), 1 signal contact
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Easy, scalable and intelligent linking and processing of safety-related signals and standard control signals is a basic requirement in the industrial automated field. Our range of safety units and safety relay units covers these basic requirements and offers additional benefits.
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Safety relay products can reliably monitor emergency stops, safety doors, light curtains and two hand control applications. Our innovative designs will allow the user to take advantage of the latest technology along with the standard connection advantages that users have grown to expect from Phoenix Contact:
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Series 4000 – Universal safety relays
Do not compromise on safety for man and machine. Safety relays from Series 4000 can monitor numerous important safety sensors such as emergency-stop buttons or protective doors, light curtains and light barriers, two-hand applications, valves or limit-value switches.
The Series 4000 program comprises safe basic devices with and without timer function and additional contact expansion relays, thus covering the entire range of important safety functions. All devices are characterized by their excellent technical performance features, a compact design and variable connection options. The Series 4000 safety relays guarantee not only optimal safety for people and systems, but also economic and flexible use in daily industrial applications.
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The Optex OA-Fusion I/II/III are suited for the retrofit market. You can upgrade doors that were installed years ago to the safety level of today at reasonable cost by fitting the OA-Fusion I/II/III behind the existing activation sensor.
The Optex OA-Fusion is an active infrared safety sensor tested and approved by the German test organization TÜV and in compliance with DIN 18650 and the preliminary European norm prEN 12650.
The Optex OA-Fusion I/II/III are equipped with test outputs suitable for almost every automatic door, by choosing the right dipswitch setting.
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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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IDEM SAFETY SWITCHES is a British company with over 26 years experience of solving machine safety interlocking problems.
Following the company’s tradition for pushing design boundaries and creating innovative products, IDEM has produced the complete range of Safety Interlock Switches:
Tongue Interlock Switches (Kobra range)
Safety Rope Pull Series (Guardian Line range)
Coded Non Contact Switches (Idecode / Hygiecode range)
Safety Relays ( SCR range)
Safety Limit Switches.
Product highlights – Stainless Steel 316 Interlock switches to cope with the rigorous demands of the food, beverage and pharmaceutical environments, and ATEX Explosion Proof switches.
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Safety switches FR series
Pizzato Elettrica switches of the FR series with separate actuator reach the 4th generation. These switches are ideal for gates, protections, carter and all different guards which protect dangerous parts of a machine. The stainless steel actuator is fixed to the mobile section of the protection in order that every time the protection is opened the actuator is pulled out of the switch. A particular mechanism assures the positive opening of the electrical contacts by the pulling out of the actuator. These switches are easy to install and can be applied to any type of protection (hinged, sliding or removable). Furthermore the possibility of operating the switch only with the specific actuator assures that the machine can start again only when the guard is closed.
Pizzato Elettrica switches of the FR series distinguish themselves for the following characteristics:
- Rotating heads: by unscrewing the fixing screw the head can be rotated in 90° steps.
- Not detachable heads: the head “93” is perfectly interchangeable and compatible with the previous head “92” but it has the advantage that it is not detachable from the body, nonetheless it can rotate in 90° steps (Pizzato Elettrica patent). Practically speaking the new head is safer because it’s not possible to damage it during the installation.
The FR series complements the range of products that Pizzato Elettrica can offer to its customers. For further information, please visit the website www.pizzato.com or ask for the relative documentation.
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LOCKABLE SWITCH in a box with 1 to 3 key slots from 5 to 215 KW
Mechanical or electromechanical blockage of power circuits in the open position.
It has one blocking or interlocking latch that can release from 1 to 3 keys.
Protection: IP 55
Options: ADF; 4 poles - 6 poles; Timer; Blockage in the open position; Advance action auxiliary contacts upon request.
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Hinged machinery guards and covers as well as safety fence doors may be found in every type of industry. The Bernstein safety hinge switch SHS represents the integration of a safety switch in a load-bearing hinge for industrial applications.
The slim profile of the SHS allows the hinge to be readily mounted where space is constrained.
The operating angle is a full 180°, the switching point can be set between 0° and 180°.
The SHS hinge switch opens new doors with the safety contact mounted internally, inaccessible to the user and therefore providing excellent tamper protection.
2 SHS each with a forced disconnect safety contact allow safety category 4 systems to be configured subject to the required risk analysis and safety contact monitoring.
One or more SHS may be used dependent on the category of safety protection required.
Matching hinges without safety contacts are also available, allowing the style to be standardised for general use.
Connectors as well as fixed cable versions with axial and radial (rear) mounting are available.
An IP67 protection rating is sufficient for nearly all machine environments.
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Safety switches are used to detect the opening of machine guard doors, gates or panels and to prevent physical access to dangerous areas of the machine. Safety switches are designed to help deter tampering with either the internal machine controls or guards while in an unsafe condition.
All mechanical safety switches are equipped with positive opening contacts that open any normally closed contacts to assure machine shutdown when an unsafe condition is detected.
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Designed for applications where safety, high performance and continuity of service are essential. Featuring quick-make, quick-break mechanisms.
Features and Benefits
Wide, unobstructed gutter and removable interior make wire pulling quick and easy.
Direct-drive, quick-make, quick-break mechanism provides long life and positive ON/OFF indication .
Bright red handles are easy to see, easy to grip; donut shape on heavy duty and double throw safety switches is ideal for bookstick operation.
Positive 3-point mounting speeds installation, simplifies ganging in close quarters.
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The XA and XW series of Emergency Stop switches include a revolutionary new technology called "safe break action" that will change the way E-Stop switches are designed. This innovative concept provides greater levels of human safety and is the first of its kind in the world.
Conventional E-Stop switches are designed with spring pressure on the Normally Closed (NC) contacts, keeping them in the closed position and allowing the machine to operate. Improper installation or excessive force to the stop button in an emergency may break or dislodge a vital part, causing the spring loaded contact to stay closed. This situation renders the E-Stop incapable of stopping the machine and can lead to catastrophic events, personal injury and possible loss of life.
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These safety switches are suitable for hinged safety guards, which need to be closed to ensure the necessary operational security.
The variety of requirements to be found in practice can be met by means of the wide range of safety switches for hinged guards.
Depending on the particular version of the switches, small doors and service flaps as well as heavy hinged doors on engineering machines and plants can be protected in such a way as to provide for easy setting up and maintenance.
Design and mode of operation:
A general advantage of the safety switches shown here is the integral cam within the safety switch. The requirements of EN 1088, such as positive linkage between cam and actuator as well as protection against tampering are thus fulfilled.
This combination within the switch provides cost advantage for the user in avoiding the necessity of mounting a specially designed cam.
These safety switches are mounted with slow action.
Protection class of all the safety switches is IP 67
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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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SAFETY SWITCH WITH SEPARATE ACTUATOR FW SERIES
These safety switches are ideal to control gates, sliding doors and other guards protecting dangerous parts of machine. The stainless steel actuator is fastened to the moving part of the guard, so it is removed from the switch on every opening of the guard. The switch mechanism guarantees that removing the actuator forces the positive opening of the electrical contacts. Easy to install, these switches can be applied to any kind of protection (with hinge, sliding and removable ones). Besides, the possibility to actuate the switch only with its actuator guarantees that the machine can be restarted only when the guard has been closed.
- Polymer housing, three M20 or M16 knock out conduit entries
- Protection degree IP67
- 6 contact blocks available
- 8 stainless steel actuators available
- 30 N actuator extraction force versions
- Silver contacts gold plated versions
- Cylindrical or slotted fixing holes
- Cover with hinged opening and with only one fixing screw
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Bernstein presents the innovative safety switch SLK as a solution to safety applications in industrial automation. The SLK performs a slim and compact enclosure as well as a mounting acc. per EN 50041 standard. The outstanding feature is the availability of a multi-supply voltage version covering a range from 24 V DC up to 230 V AC. The new actuator head allows both, horizontal and vertical, actuation. Turning the actuator head by 4 x 90° makes it easy to fit the SLK safety switch to various movable guards. The SLK features two independent safety circuits which monitor the position of the movable guard and the condition of the interlocking. Both circuits carry combinations of up to two forced disconnected contacts each and thus achieve compatibility with different safety systems.
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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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This system combines the ease, speed and tightness of bellows with the protective strength of a steel cover for large quantities of chips or hot chips even in difficult installation positions.
The special shape and function of this unique new system guarantee optimum protection without resilient or plastic deformation of the telescoping plates.
- Long service life
- Unique new "Wings" telescopic principle
- Ideal extension/retraction ratio
- Acceleration rates over 2 g (tested at 2.5 g)
- Highly flexible, creative and innovative covering concept
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Machine safety devices
