Allen-Bradley 440R-W23221 MSR330P Group 1 Safety Relay
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Manufacturer AB-SFC
Mfg Catalog # 440R-W23221
North Coast Part # 271308


  • Allows connection of multiple input modules to a single base unit
  • Includes logic configuration with multiple inputs and control of multiple independent outputs
  • Performs simple function block logic configurations through rotary switch settings as opposed to software configuration


  • Enclosure: 22.5 mm
  • Power Supply: N/A
  • Delayed Timing: None/N/A
  • Contact Rating: 24V DC, 2.5A
  • Reset: None / N/A
  • Removable Terminals: Removable
  • Simultaneity: None
  • Interface Type: N/A
  • Output: 3 N.O.
  • Category Rating: Cat. 4 per EN 954-1 (ISO 13849-1)
  • Delayed Safety Outputs: N/A
  • Solid State Outputs: N/A
  • Output Switching Current, AC: No AC
  • Input: N/A
  • Group Number: Group 1
  • Selection: Select relay by Relay Model Number
  • Muting: No
  • Delayed Auxiliary Outputs: N/A
  • Sipha Sensor: No
  • Relay Model: MSR330P
  • Immediate Auxiliary Outputs: 1 N.C.


UPC 66207454360
GTiN 00662074543601
Type Expansion Device, Group 1
Applications Safety Relay
Mounting Type Rail
Family Brand Name Allen Bradley
Output 0,3,0,0
Power Supply Not Applicable
Blade Dimensions 22.5 mm W x 114.5 mm D x 99 mm H
Contact Rating 2.5 Amps
Enclosure 22.5MM
Sub Brand Guardmaster
Voltage 24 VDC
Standard CCC,CE,CUL,UL

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