Allen-Bradley - MSR138.1DP - Safety Relay, 2 N.O. Instantaneous, 2 N.O. Delayed

The Allen-Bradley MSR138.1DP (Catalog No. 440R-M23084) is a versatile safety relay designed for monitoring safety devices such as emergency stop buttons, safety gates, and light curtains. It provides both instantaneous and delayed safety outputs, ensuring controlled stopping of machinery in hazardous situations. The relay supports various input configurations and offers both automatic/manual and monitored manual reset options. 

Key Features:

• Model: MSR138.1DP

• Brand: Allen-Bradley

• Catalog Number: 440R-M23084

• Power Supply: 24 V AC/DC

• Safety Inputs: 1 N.C., 2 N.C., or light curtain

• Reset Modes: Automatic/manual or monitored manual

• Instantaneous Safety Outputs: 2 N.O.

• Delayed Safety Outputs: 2 N.O.

• Delayed Auxiliary Output: 1 N.C.

• Output Ratings:

  • AC-15: 6 A at 250 V AC

  • DC-13: 3 A at 24 V DC

• Response Time: Approximately 18 ms

• Recovery Time: Approximately 100 ms

• Mounting: 35 mm DIN rail

• Housing Width: 45 mm

• Operating Temperature: –5 °C to +55 °C

• Enclosure Protection: IP40 (housing), IP20 (terminals)

• Standards Compliance: EN 954-1, ISO 13849-1, IEC/EN 60204-1, IEC 60947-4-1, IEC 60947-5-1