03/11/2013
Force guided relays are key electromechanical switching components used within safety relay circuits. They enable the recognition of a contact’s switching condition in a simple and safe manner.
Product Features
- Forcibly guided contacts according to EN 50205
- 2 / 4 / 6 pole
- Segregated contacts
- Small size
Applications
- Automation & Control e.g. for PLC’s in industrial controls production equipment and for material handling or in robotic controllers
- Control circuits for elevator and escalator systems
- Railway interlocking systems
- Process control e.g. in chemical industry
Documentation & Additional Information
BENSHEIM, Germany – March 7, 2013 – Force guided relays are key electromechanical switching components used within safety relay circuits. They enable the recognition of a contact’s switching condition in a simple and safe manner. With the normally open (NO) and normally closed (NC) contacts of a force guided relay being insulated from each other, the load and monitoring circuit may have different voltage potentials. This simplifies monitoring, as the same relay can switch line voltage with one set of contacts and switch a DC signal to the microprocessor with another.
The specific details entitling force guided relays to monitor a switching state safely are described by EN 50205. By this, force guided relays can be used to achieve the required functional safety level by applying the highest diagnostic coverage according to IEC 61508-2. In most markets, if relays are used for safe monitoring, they must be force guided relays according to EN 50205.
TE Relay Products currently offers the following two, four and six pole models: SR2M, SR4M and SR6. Small in size they are offered with PCB terminals; special types and modules are available.
Force guided relays are designed to switch outputs of safe PLC’s (Programmable Logic Controllers) for automation and control, to monitor railway signals, to provide information related to the opening of an elevator door and to be used in monitoring machines and processes. That’s why force guided relays are essential for safety control applications: they help protect people’s lives when danger needs to be switched off – safely.
Online Product Information: http://www.te.com/en/product-launch/force-guided-relays.html
Product Communications:
Fritz Kaplanek
Product Manager
+43-1-90560-1553
fritz.kaplanek@te.com
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