MSI-SR2, MSI-SR2/F

Safety-Relays Category 4

The safety relay MSI-SR2 is an Emergency Stop switching device and safety door monitor in accordance with EN 60204-1, Stop 0 and EN 954-1, Cat. 4 for monitoring Emergency Stop push buttons or interlocking devices.

The version MSI-SR2/F is equipped with a lower simultaneity monitoring of the input signals (20 ms) as well as a shorter pick-up delay (0,2 s) for use as an interface for optoelectronic protective devices.

Advantages

• 1- or 2-channel Emergency Stop wiring
  
  
• 2-channel wiring with cross circuit recognition
  
  
• Monitoring of external relays in the push-button circuit
  
  
• Monitored start button
  
  
• Automatic or manual start (1,5 s delay)
  
  
• 2 switching off paths, 1 normal closed contact as signal circuit
  
  
• LED displays for Power, K1 and K2
  
  
• Housing width: 22.5 mm