440R-D22S2 Allen-Bradley Guardmaster Safety Relay | Brand New Dual Input SS | 24V DC

Product Overview

The 440R-D22S2 Allen-Bradley Guardmaster Dual Input Solid-State (SS) Safety Relay is a brand new industrial safety relay designed to monitor and protect emergency stop circuits, safety gates, and interlock devices in industrial automation and machine control systems.

This dual input solid-state safety relay ensures redundant safety monitoring, fast response, and reliable operation in high-risk machinery environments. Ideal for engineers, system integrators, and industrial safety professionals, it supports 24V DC systems and integrates seamlessly into existing Guardmaster safety architectures.

Key Features

Brand: Allen-Bradley (Rockwell Automation)
Model / Part Number: 440R-D22S2
Series: Guardmaster
Condition: Brand New, Factory Sealed
Type: Dual Input Solid-State Safety Relay
Operating Voltage: 24V DC
Dual Input Monitoring for redundant safety circuits
Fast response with solid-state outputs
DIN rail mounting for easy installation
Industrial-grade reliability and durability

Technical Specifications

Specification	Details
Supply Voltage	24V DC
Safety Inputs	Dual-channel, redundant
Safety Outputs	Solid-State (SS)
Monitoring Functions	Emergency stop, safety gate, interlock devices
Reset Type	Manual / monitored reset (system dependent)
Mounting	DIN Rail
Safety Category*	Up to Cat. 4 / PL e / SIL 3
Manufacturer	Allen-Bradley

* Safety category depends on overall system design (EN ISO 13849-1).

Applications

Industrial machine safety systems
Emergency stop and safety gate monitoring
Interlock and safety circuit control
Packaging, assembly, and production line machinery
Industrial automation upgrades
Dual input SS safety relay applications

Why Choose the 440R-D22S2 Safety Relay?

High reliability for industrial machine safety
Dual input monitoring reduces risk and improves redundancy
Solid-state outputs provide fast, precise safety response
Seamless integration with Allen-Bradley Guardmaster systems
Factory sealed, brand new for critical industrial operations

Shipping & Quality Assurance

Brand new, factory sealed, fully inspected
Industrial-grade packaging for secure transport
Fast worldwide shipping available

440R-D22S2 Brand New 40RD22S2 AB Guardmaster Dual Input SS Safety Relay