Contact extensions

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The various models of the contact extension relays are suitable for use as simple output extension for OSSDs or for contact multiplication together with evaluation units or safety PLCs.

MSI-RM2

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Output extension for OSSDs

Output extension for OSSD outputs of safety light barriers, safety laser scanners and safety switches with OSSD outputs, up to SIL 3 / SILCL 3 and cat. 4 / PL e, 2 release contacts (changeover), 1 feedback contact.

  • Economical conversion of electronic switch-off signals from safety sensors to potential-free, contact-based signals
  • Short reaction time of 10 ms
  • With a width of just 17.5 mm, saves space
  • Pluggable screw or spring-cage terminals for simple installation and simple device exchange

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MSI-SR-CM32

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Output extension for OSSDs

Output extension for OSSD outputs of safety light barriers, safety laser scanners and safety switches with OSSD outputs, up to SIL 3 / SILCL 3 and cat. 4 / PL e, 3 release contacts, 1 feedback contact, 1 signal contact.

  • Economical conversion of electronic switch-off signals from safety sensors to potential-free, contact-based signals
  • Pluggable screw or spring-cage terminals for simple installation and simple device exchange

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MSI-SR-CM42

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Contact extension

Contact extension for safety relays and safety PLCs, up to SIL 3 / SILCL 3 and cat. 4 / PL e, 2 independent extensions each with 2 release contacts and 1 feedback contact in one device.

  • Cost benefit through 2 independent extensions in one device
  • Extension of semiconductor outputs from safety PLCs to relay outputs
  • Pluggable screw or spring-cage terminals for simple installation and simple device exchange

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MSI-SR-CM43

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Contact extension / with time delay

Contact extension for safety relays and safety PLCs, up to SIL 2 / SILCL 2 and cat. 3 / PL d, 4 release contacts, 1 feedback contact, 2 signal contacts, model with fixed time delay of 3 seconds for all contacts.

  • Time delay of 3 seconds for applications with stop category 1
  • Pluggable screw or spring-cage terminals for simple installation and simple device exchange

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MSI-CM52

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Contact extension

Contact extension for safety relays and safety PLCs, up to SIL 3 / SILCL 3 and cat. 4 / PL e, 5 release contacts, 1 feedback contact, 1 signal contact.

  • 5 release contacts, 1 feedback contact and 1 signal contact in one device
  • Pluggable screw or spring-cage terminals for simple installation and simple device exchange

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