Product Description

The Allen-Bradley Allen-Bradley 440R-D22S2 Guardmaster Dual Input SS Safety Relay (440R-D22S2) is a precision-engineered component designed for high-performance industrial applications. It ensures seamless integration into automation systems, delivering efficient and reliable operation for demanding environments. With robust construction and advanced technology, it is widely used in process control, manufacturing, and automation solutions.

Technical Specifications

• Manufacturer: Allen-Bradley
• Model Number: 440R-D22S2
• Power Supply: 24 V DC
• Inputs: 2 Dual-Channel Universal Inputs
• Single-Wire Safe Input (SWS): 1
• Logic Configuration: AND / OR (rotary configurable)
• Immediate Safety Outputs: 2 Normally Open PNP Solid-State
• Immediate Auxiliary Output: 1 Normally Closed Solid-State
• Delayed Safety Outputs: None
• Single-Wire Safe Output (SWS): 1
• Removable Terminals: Screw-type
• Reset Type: Configurable: Automatic / Manual or Manual-monitored
• Power Consumption: 2 W
• Continuous Safety Output Current:
• Outputs 1 & 2 (14, 24): 1.5 A each
• Outputs 3 & 4: 0.5 A each
• Surge Auxiliary Output Current: 700 mA (duration max 5 ms)
• Continuous Auxiliary Output Current: 50 mA
• Wire Size: 0.2 – 2.5 mm²
• Auxiliary Voltage Type: DC only
• Operating Voltage Range: 20.4 V nominal
• Dimensions:
• Height: 119.4 mm
• Width: 22.5 mm
• Depth: 113.6 mm
• Weight: 0.181 kg