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This product is a replacement for the following obsolete Leuze product:
MSI-SR4B-01 | 549986
Series: MSI-SR4B
Response time: 10 ms
Pickup delay, automatic start: 300 ms
Pickup delay, manual start: 30 ms
Supply voltage: 24 V, AC/DC, -20 - 20 %
Power consumption, max: 3 W
Number of safety-related switching outputs (OSSDs): 3
Voltage type: AC/DC
Switching element: Relay, NO
Number of connections: 1
Type of connection: Screw terminal
Function: Connection to device
Type of display: LED
Number of LEDs: 4
Degree of protection: IP 20 (terminals), IP 40 (housing)
Certifications: c TUV NRTL US, TUV Sud, c UL US
Functions: Cross circuit monitoring, Start/restart interlock (RES), selectable, Automatic start/restart, Contactor monitoring (EDM)
Restart: Automatic, Manual
Evaluation unit for emergency stop, safety switches with relay contacts and with OSSD outputs, safety light barriers and safety laser scanners, up to SIL 3 / SILCL 3 and cat. 4 / PL e, automatic and manual reset, 3 release contacts, 1 signal contact.
Advantages:
Can be used universally for sensors with relay contacts and sensors with OSSD outputs
Short reaction time of 10 ms
Third release contact for controlling an additional safety function
Pluggable screw or spring-cage terminals for simple installation and simple device exchange
View the complete product specifications
MSI-SR4B-01 | 549986
Series: MSI-SR4B
Response time: 10 ms
Pickup delay, automatic start: 300 ms
Pickup delay, manual start: 30 ms
Supply voltage: 24 V, AC/DC, -20 - 20 %
Power consumption, max: 3 W
Number of safety-related switching outputs (OSSDs): 3
Voltage type: AC/DC
Switching element: Relay, NO
Number of connections: 1
Type of connection: Screw terminal
Function: Connection to device
Type of display: LED
Number of LEDs: 4
Degree of protection: IP 20 (terminals), IP 40 (housing)
Certifications: c TUV NRTL US, TUV Sud, c UL US
Functions: Cross circuit monitoring, Start/restart interlock (RES), selectable, Automatic start/restart, Contactor monitoring (EDM)
Restart: Automatic, Manual
Evaluation unit for emergency stop, safety switches with relay contacts and with OSSD outputs, safety light barriers and safety laser scanners, up to SIL 3 / SILCL 3 and cat. 4 / PL e, automatic and manual reset, 3 release contacts, 1 signal contact.
Advantages:
Can be used universally for sensors with relay contacts and sensors with OSSD outputs
Short reaction time of 10 ms
Third release contact for controlling an additional safety function
Pluggable screw or spring-cage terminals for simple installation and simple device exchange
View the complete product specifications
Additional Info
| Application Function | For E-Stop and Safety Doors |
|---|---|
| Brand | Leuze |
| Component Type | Safety Relay |
| Connection | Screw Terminal |
| Leuze Product Series | Leuze MSI-SR4 Safety Relay Evaluation Unit |
