Allen-Bradley 440R-EM4R2D Guardmaster Safety Relay Expansion Module
Guardmaster safety relay expansion module, 4 normally open delayed safety outputs, 24 V DC supply, screw connection, 2 A @ 24V DC safety output current, SIL 3, Performance Level e
Lifecycle Status: Active
The Allen-Bradley 440R-EM4R2D Guardmaster safety relay expansion module is designed to extend safety relay architectures with delayed safety outputs for machine safety control applications. It is suited for control panels requiring additional delayed output contacts in safeguarding circuits, including stop functions and monitored safety control schemes.
Lifecycle Status: Active
- Product type: Safety relay expansion device
- Output configuration: 4 normally open delayed safety outputs
- Rated control supply voltage: 24 V DC
- Voltage type: DC
- Electrical connection: Screw connection
- Continuous safety output current: 2 A @ 24V DC (0.1 Hz), DC-13 (UL: B300)
- Aggregate current of outputs per module: 6 A max
- Power consumption: 3.5 W
- Continuous auxiliary output current: 50 mA
- Surge auxiliary output current: 700 mA
- Wire size: 0.2 to 2.5 mm²
- Feedback circuit: Yes
- Detachable clamps: Yes
- Rail mounting: Yes
- SIL rating: SIL 3 according to IEC 61508
- Performance level: Level e according to EN ISO 13849-1
- Type of safety according to IEC 61496-1: 4
- Enclosure protection: IP40 (NEMA 1)
- Operating temperature: -5 °C
- Dimensions: 119.4 mm height, 22.5 mm width, 113.6 mm depth
This module fits Guardmaster safety relay systems where delayed contact expansion is required for machine control, safety shutdown sequencing, and panel-based industrial automation designs.