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Allen Bradley Guardmaster 440R-D23166 Safety Relay

Allen Bradley Guardmaster 440R-D23166 Safety Relay with 4 NO outputs.

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ManufacturerAllen Bradley

Part number440R-D23166

Input Voltage 24V DC

Safety Outputs 4 NO

Auxiliary Outputs 1 NC

Series Guardmaster 440R

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Monitors safety devices 4 NO safety outputs 1 NC auxiliary output 24V DC input Compact design High reliability

Product description

The Allen Bradley Guardmaster 440R-D23166 is a safety relay designed to monitor safety devices such as emergency stops, safety gates, and light curtains. It features a 24VDC input voltage and provides 4 normally open (NO) safety outputs, along with 1 normally closed (NC) auxiliary output. This relay offers a compact design and is built for reliable performance in critical safety applications.

This safety relay is essential for ensuring workplace safety in various industrial environments, including manufacturing plants, automotive assembly lines, and packaging facilities. It is commonly used in applications where immediate shutdown of machinery is required to prevent accidents and protect personnel. Its robust construction makes it suitable for demanding operational conditions.

Source your Allen Bradley 440R-D23166 safety relay from Stanlo Automation, a veteran-owned business specializing in surplus industrial parts. We offer competitive pricing and a commitment to quality, ensuring you receive reliable components for your automation needs.

Technical specifications

Input Voltage	24V DC
Safety Outputs	4 NO
Auxiliary Outputs	1 NC
Series	Guardmaster 440R

Common applications

Machine safety guarding

Emergency stop circuits

Safety gate monitoring

Light curtain systems

Industrial automation safety

Compatible systems

Allen Bradley ControlLogix Allen Bradley CompactLogix PanelView HMI MicroLogix

Also known as

Allen Bradley 440R-D23166 Guardmaster 440R Relay AB 440R-D23166

Replaces / compatible with

This safety relay is designed to integrate with various safety devices and control systems. For specific compatibility, consult the product manual.

Technical note

Expert tip

Ensure all safety input devices are wired correctly to the designated terminals to guarantee the intended safety function of the 440R-D23166.

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Frequently asked questions

What is the input voltage for the Allen Bradley 440R-D23166 safety relay?

The Allen Bradley 440R-D23166 safety relay operates with a 24V DC input voltage. This ensures compatibility with common DC power supplies in industrial control panels.