The Allen-Bradley MSR138.1DP Guardmaster Safety Monitoring Relay is designed for industrial machine safety applications requiring dependable monitoring and control of protective circuits. This safety relay is used in automated machinery, manufacturing equipment, and industrial control panels to monitor emergency-stop devices and safety interlocks. Its compact design allows for convenient integration into industrial electrical control systems.
Technical Specifications
|
Specification |
Details |
|---|---|
|
Manufacturer |
Allen-Bradley / Rockwell Automation |
|
Series |
Guardmaster |
|
Model |
MSR138.1DP |
|
Product Type |
Safety Monitoring Relay |
|
Supply Voltage |
24V AC/DC* |
|
Immediate Safety Outputs |
2 Normally Open |
|
Delayed Safety Outputs |
2 Normally Open |
|
Time Delay |
0.15–3 seconds* |
|
Reset |
Automatic/Manual or Monitored Manual |
|
Mounting |
DIN Rail |
|
Terminal Type |
Removable |
|
Safety Rating |
Category 4, PLe (immediate outputs) |











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