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Allen Bradley 440C-CR30 Safety Relay for E-Stop and Guard Interlock

Allen Bradley 440C-CR30 Safety Relay for E-stop and Guard Interlock.

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ManufacturerAllen Bradley

Part number440C-CR30

Type Safety Relay

Safety Functions E-Stop, Guard Interlock

Safety Outputs 2 (OSSD)

Safety Categories 4 (ISO 13849-1), SIL 3 (IEC 61508)

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Monitors E-stop and guard switches Two safety outputs High safety integrity Compact design RoHS compliant

Product description

The Allen Bradley 440C-CR30 is a multi-function safety relay designed to monitor emergency stop buttons and guard interlock switches. It offers a high level of safety integrity, ensuring that hazardous machine functions are brought to a safe state in case of an emergency or when guards are opened. The relay features two safety outputs and has a compact design for easy panel mounting.

This safety relay is crucial for compliance with machine safety standards and is utilized across various industries, including automotive, packaging, and general manufacturing. It is ideal for applications requiring reliable monitoring of E-stop circuits, light curtains, and physical guard switches. Its versatility makes it suitable for a wide range of machine safety applications.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Allen Bradley 440C-CR30. We understand the importance of having reliable safety components readily available. Sourcing from Stanlo ensures you receive quality surplus parts to keep your operations safe and efficient.

Technical specifications

Type	Safety Relay
Safety Functions	E-Stop, Guard Interlock
Safety Outputs	2 (OSSD)
Safety Categories	4 (ISO 13849-1), SIL 3 (IEC 61508)
Voltage	24V DC
Manufacturer	Allen Bradley

Common applications

Machine Safety

E-Stop Circuits

Guard Monitoring

Light Curtain Interface

Industrial Control Panels

Compatible systems

Allen Bradley Guardmaster devices E-stop buttons Guard interlock switches

Also known as

Allen Bradley 440C-CR30 Safety Monitoring Relay Guardmaster Safety Relay 440C-CR30

Replaces / compatible with

The 440C-CR30 replaces older, less capable safety relays and is designed to work with a variety of Allen Bradley safety devices.

Technical note

Expert tip

Ensure the 440C-CR30 safety relay is correctly wired according to the manual for its intended safety function to achieve the desired safety level (e.g., SIL 3 or PLe).

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Frequently asked questions

What safety standards does the Allen Bradley 440C-CR30 safety relay meet?

The Allen Bradley 440C-CR30 safety relay is designed to meet high safety standards, including Category 4 according to ISO 13849-1 and SIL 3 according to IEC 61508, ensuring reliable performance for critical safety functions.