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Allen Bradley 440R-N23135S Guardmaster Safety Relay

Allen Bradley 440R-N23135S Guardmaster Single Function Safety Relay

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ManufacturerAllen Bradley

Part number440R-N23135S

Power Supply 24V AC/DC

Safety Outputs 3 NO

Auxiliary Outputs 1 NC

Contact Rating DC-13 3 A/24V DC

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Veteran-owned

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3 NO Safety Outputs 1 NC Auxiliary Output 24V AC/DC Power Manual Monitored Reset Removable Terminals Compact Design

Product description

The Allen-Bradley 440R-N23135S is a Guardmaster safety relay designed for single-function safety applications. It operates on 24V AC/DC and provides 3 normally open (NO) safety outputs and 1 normally closed (NC) auxiliary output. This relay is suitable for basic safety applications and single-zone control, offering a reliable solution for machine safety.

Common applications include monitoring emergency stop circuits, guard switches, and other safety interlocks in various industrial environments such as manufacturing plants, assembly lines, and packaging facilities.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Allen Bradley 440R-N23135S. Trust us for quality components and efficient service.

Technical specifications

Power Supply	24V AC/DC
Safety Outputs	3 NO
Auxiliary Outputs	1 NC
Contact Rating	DC-13 3 A/24V DC
Enclosure	22.5 mm
Reset	Manual Monitored

Common applications

Emergency Stop Monitoring

Guard Switch Monitoring

Safety Interlocks

Single Zone Control

Machine Safety

Compatible systems

Suitable for various safety control circuits requiring single-function monitoring.

Also known as

Allen-Bradley MSR127RP Guardmaster 440R-N23135S

Replaces / compatible with

Designed for basic safety applications and single-zone control.

Technical note

Expert tip

This relay is ideal for relatively small safety applications and offers removable terminals for easier wiring and maintenance.

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Frequently asked questions

What type of reset functionality does the Allen Bradley 440R-N23135S safety relay offer?

The Allen Bradley 440R-N23135S features a Manual Monitored reset function. This requires a manual reset action after a safety condition has been cleared, and the relay monitors this reset signal for proper operation.