Allen-Bradley 440R series Discontinued Modular Monitoring Safety Relay

Allen-Bradley 440R series Discontinued Modular Monitoring Safety Relay 

The Allen-Bradley 440R-H23176 is a discontinued modular monitoring safety relay from Rockwell Automation, belonging to the Minotaur MSR210P series. Its relevant parameters are as follows:

Power supply: 24V DC.

Outputs: 2 normally open safety outputs, 1 normally closed auxiliary output, 2 PNP solid-state outputs.

Current: Output switching current is 24V DC, 2.5A.

Reset: Configurable as automatic/manual or manual monitored reset.

Category level: Meets the 4th category of EN 954-1 (ISO 13849-1).

Housing width: 45mm.

Terminals: Removable screw-type terminals.

Approvals: C-Tick, CE, BG, cULus, TV, etc.

This relay has a modular design and can be combined with other modules of the MSR200 series to create a safety control system with the required number of inputs and outputs. It has built-in diagnostics to help identify and troubleshoot potential problems, and can be connected to a network for remote monitoring and control.

Allen-Bradley 440R series relays are available in a variety of models, and here are some common models and their features:

440R-N23114: MSR126.1T type, 24V AC/DC supply voltage, automatic/manual reset, 22.5mm housing width, Category 4 safety rating. It has 1 normally closed input, 1 LC input, and 2 safety outputs, which can be used to monitor a variety of safety-related circuits, such as magnetic switches, proximity switches, emergency stop circuits, etc.

440R-C23137: Suitable for 115V AC 50/60Hz power supply, power is 4W, output is AC15 250V 6A, DC13 24V 3A, screw clamp connection, can be mounted on DIN rail.

440R-M23147: Belongs to the Guardmaster MSR138DP series, it is a single-function safety relay with delayed output, suitable for applications that need to maintain power for a fixed period of time after receiving an input signal, such as driving a switch to keep a protective door locked after the stop button is pressed.

In addition, there are models such as 440R-C23017 and 440R-N23132. Different models differ in power supply voltage, input and output configuration, reset method, functional characteristics, etc. to meet the needs of various industrial safety control applications.