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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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HE1G grip switches are available with or without a built-in Emergency Stop switch, and were designed for use as "deadman" switches by second operators in robotic cells. The Off-On-Off functionality provides a high level of safety based on human behavioral studies which determine personnel may squeeze OR let go when presented with a panic situation.
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Safety Rope Pull switches
SR
Plastic housing Protection class IP67
Emergency stop switch gear
Integrated emergency stop push button
Quick mounting device for rope installation
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• For hinged guards with a rotation angle range from 0° to 270°
• Switching point freely selectable within a range of 270°
• Simple re-adjustment using integrated fine adjustment system even after switch point set
• 2 forced disconnect safety contacts p and auxiliary contact signalling
• Integrated cable or M12 connector
• Axial or radial direction of connection
• Suitable for systems in control category 4 to EN 954-1 with redundancy
• Protection IP 67
• For an optimum guidance of cables, system design allows right and left end stop
• Elongated hole for attachment to profile or fabricated guard frames
• Interior assembly between profiles by complying with finger protection regulations
• Stainless Steel hinge for full load capability and high-quality plastic houses the switching system.
Flexible installation, flexible connection,
flexible adjustment: the new SHS3!
The technical data sheets for SHS3 can be downloaded from www.bernstein-ag.com under Download products.
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The company Pizzato Elettrica is suggesting to the market many new products in the safety field for the factory automation.
In particular, it has been recently introduced anew and innovative series of strong safety switches with separate actuator and solenoid for guards and entrance machinery monitoring.
These FG series switches have a shape suitable for the installation also on modular profiles (40x40 mm) and distinguish themselves for following features:
- High sturdiness guaranteed by the metal housing and the stainless steel actuator (holding force 2500 N)
- Contact blocks with 4 poles available in 12 different configurations.
- Possibility of operation state signalling through external LED.
- Rotating head in 90° steps, not detachable, with actuator entries both frontal and vertical for the maximum versatility in the installation
- Protection degree IP67
- Versions with rotating lock release device, with emergency release push button or with both devices.
The new switches series integrates the wide range of products that Pizzato Elettrica can offer to its customers, for complete solutions and without compromise to machinery safety problems.
For further information it’s possible to visit the web-site www.pizzato.com or ask for the new general catalogue 2007/2008.
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Door interlock switches are attached to the door of equipment where it is necessary to turn power on or off when the door is closed or opened. This type of control is used in applications where maintenance and testing must be performed inside a cabinet.
Interlock switches are supplied with one 1PDT snap action switch or two 1PDT miniature snap action switches.
The snap action switches are mounted in a frame and a single actuator, which is spring loaded, operates the switch.
When mounted in a door, the closing of the door forces the actuator against the spring thereby closing the switch.
When the door is open, the actuator springs out thereby opening the power circuit. The interlock switch has a service position, which allows service personnel to turn power on even when the cabinet door is open. When the door is closed, the switch automatically resets to the normal closed position.
Ratings:
See selection table.
Operating Features:
Free position - 9.53mm (.375²) max.
Operate position - 5.12mm (.203²) max.
Depressed position - 3.17mm (.125²) max.
Materials and Finishes:
Switch - Contact Eaton Customer Service.
1-800-962-0820
Bracket - Stainless steel.
Actuator - 1 Pole - Molded noryl; 2 Pole - stainless steel.
Spring - Stainless steel.
Insulator - Glass cloth.
Mounting:
Tapped holes are provided for mounting in either of two positions - 2 screw side or front panel mounting.
Mounting hardware is not provided.
Options:
Special circuits.
Solder lug, spade, and PC terminations.
Special actuators.
Approvals:
UL Recognized.
CSA Certified.
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The 100 Series are non-contact interlock position switches with switching voltage models available up to 250 Volts. There are many models to fit a wide variety of applications.
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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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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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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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Idecode - Compact Fitting - Plastic - Type SPC
Universal fitting - established 22mm fixing footprint suitable for most general applications. Withstands environments where high humidity or hose down is required. Durable polyester housing. Wide 14mm Sensing and high tolerance to misalignment. Up to EN 954-1 Cat.4 with safety relay. 2NC 1NO circuits. Quick connect versions.
Part No Type Cable Length Circuits
111001 Idecode SPC 2M 2NC
111002 Idecode SPC 5M 2NC
111003 Idecode SPC 10M 2NC
111004 Idecode SPC QC-M12 2NC
111005 Idecode SPC 2M 2NC 1NO
111006 Idecode SPC 5M 2NC 1NO
111007 Idecode SPC 10M 2NC 1NO
111008 Idecode SPC QC-M12 2NC 1NO
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Idemag - Magnetic Non Compact - Type MPR
Compact yet robust fitting suitable for all small guard applications. Can be mounted unobtrusively in channels or behind doors - left or right cable exit Hygienic screw cap covers ensure suitability for Food Processing washdown Cost effective interlock solution Wide sensing at 12mm and high tolerance to misalignment High current switching capability to 0.5A. 2NC 1NO circuits - up to EN 954-1 Cat.4 with Safety Relay
Part No Type Cable Length Circuits
114001 MPR Cable Right 2M 2NC
114002 MPR Cable Right 5M 2NC
114003 MPR Cable Right 10M 2NC
114004 MPR Cable Right QC-M12 2NC
114005 MPR Cable Right 2M 2NC 1NO
114006 MPR Cable Right 5M 2NC 1NO
114007 MPR Cable Right 10M 2NC 1NO
114008 MPR Cable Right QC-M12 2NC 1NO
114009 MPR Cable Left 2M 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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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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GLH Rope Switch
Idem Guardian Line Safety Rope Switches are designed to be mounted on machines and sections of conveyors which cannot be protected by guards. In contrast to traditional mushroom-head emergency stop buttons, Safety Rope Switches can initiate an emergency command from any point along the installed rope length and provide robust Emergency Stop Rope Pull protection for exposed conveyors or machines.
On pulling the rope, the safety contacts are positively opened and the auxiliary contact are closed. The switches are mechanically latched and can then only be returned to the operational condition by pressing the blue reset button (as required by EN418). A bi-colour LED indicator is available to enable switch status to be viewed from a distance.
Satisfies EN 418 and IEC 947-5-1 IEC 947-5-5
Guardian Line GLH features:
Die Cast Yellow Painted enclosure
IP 67 for hosedown.
Contact blocks (4 pole) 3NC + 1NO or 4NC or 2NC + 2NO.
3 conduit entries M20 or ½" NPT
Protect hazards up to 250 m. long.
Reset by push button.
Rope tension indicators.
Optional Signalling lamp available Green / Flashing Red 24V dc.
Rope pulled and breakage detection.
E-Stop Mushroom type button fitted.
Explosion-proof version available
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GLS Rope Switch
Idem Guardian Line Safety Rope Switches are designed to be mounted on machines and sections of conveyors which cannot be protected by guards. In contrast to traditional mushroom-head emergency stop buttons, Safety Rope Switches can initiate an emergency command from any point along the installed rope length and provide robust Emergency Stop Rope Pull protection for exposed conveyors or machines.
On pulling the rope, the safety contacts are positively opened and the auxiliary contact are closed. The switches are mechanically latched and can then only be returned to the operational condition by pressing the blue reset button (as required by EN418). A bi-colour LED indicator is available to enable switch status to be viewed from a distance.
Satisfies EN 418 and IEC 947-5-1 IEC 947-5-5
Guardian Line GLS range features:
GLS-Standard version - Die Cast Yellow Painted enclosure up to 80m.
GLS-SS Stainless Steel 316 version - Food Industry Compatible up to 100m.
IP 67 for hosedown.
Contact blocks (4 pole) 3NC + 1NO or 4NC or 2NC + 2NO.
3 conduit entries M20 or ½" NPT
Protect hazards up to 80 m. long.
Reset by push button.
Rope tension indicators.
Optional Signalling lamp available Green / Flashing Red 24V dc.
Rope pulled and breakage detection.
E-Stop Mushroom type button fitted.
ATEX Explosion-proof versions available
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RESET DEVICE W3
Pizzato Elettrica has developed an innovative reset device code W3 to make perfectly simultaneous the actuator and the contact block tripping. The new device is a block inserted between the switch body and the head, and could be rotated independently from this last one. This new device has following advantages:
- The reset device integrate in any standard actuation head
- Contact blocks with snap action are no more necessary because the tripping movement is made by the reset device itself
- Unlike some previous versions, the reset device can be rotated independently from the head for the maximum flexibility during the assembling.
The new switches series integrates the wide range of products that Pizzato Elettrica can offer to its customers.
For further information it’s possible to visit the web-site www.pizzato.com or ask for the general catalogue.
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SCR Series - Safety Relays - Type SCR
The SCR-2 and SCR-3 are all purpose Safety Monitoring Relays which ensure the quick and safe deactivation of the moving parts of a machine in case of danger. Preferred applications include single and dual channel emergency stop circuits or dual channel safety guard monitoring using Tongue switches or Non Contact Switches
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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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Guard Locking Tongue Switch - Type KLM
Designed to fit to hinged or sliding guards to provide high mechanical holding force and safety interlocking where it is required to protect the operator from moving machinery.
A unique internal mechanism design provides up to 4NC 2NO contacts and provides independent monitoring of the locking mechanism and the tongue position.
2 LED's provide Status of the Solenoid and Door Locked
Can be used with a Safety Relay to provide EN954-1 Cat.4 protection.
Rugged Die Cast housing - IP67 enclosure protection and optional Stainless Steel Head.
Provides Guard Holding up to 3000N (300Kg)
Spring to Lock - Solenoid operate to release
Conduit entry M20 or ½" NPT
Solenoid Voltages available: 24V. ac/dc 110V.ac 230V.ac
Flexible actuator available.
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