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Allen Bradley 440N-Z2NRS1A Guardmaster Non-Contact Switch 3M Cable

Allen Bradley 440N-Z2NRS1A Guardmaster Non-Contact Safety Switch

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ManufacturerAllen Bradley

Part number440N-Z2NRS1A

Actuator Standard

Connection Type 3 M Cable

Contact Configuration 2 NC Safety

Contact Type Reed

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2 NC safety contacts Reed contact type 3-meter PVC cable IP67 enclosure rating Standard actuator Magnetic coded sensing

Product description

The Allen Bradley 440N-Z2NRS1A is a Guardmaster 440N Non-Contact Safety Switch featuring a standard actuator and a 3-meter (3M) PVC cable. This switch is designed for safety functions and provides 2 Normally Closed (NC) safety contacts of the Reed type. It has an enclosure rating of IP67, making it suitable for dusty or wet environments, and operates on 24 VDC.

This non-contact safety switch is utilized for monitoring the position of machine guards and access points in industrial automation. Its high tolerance to misalignment and magnetic coded sensing ensure reliable operation and tamper resistance. It is commonly found in manufacturing, packaging, and material handling applications where maintaining a safe operating environment is crucial.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Allen Bradley 440N-Z2NRS1A. We provide reliable and cost-effective surplus components, helping you maintain operational efficiency and safety without exceeding your budget. Partner with Stanlo Automation for your industrial safety switch needs.

Technical specifications

Actuator	Standard
Connection Type	3 M Cable
Contact Configuration	2 NC Safety
Contact Type	Reed
Enclosure Rating	IP67
Voltage	24 VDC
Material	Plastic
Standards	CCC, CE, CUL, KC, UL

Common applications

Machine Guard Monitoring

Safety Gate Interlocking

Access Panel Safety

Industrial Automation

Manufacturing Safety

Harsh Environment Applications

Compatible systems

Designed for use with specified safety controllers and relays that can interface with 24 VDC inputs and NC reed contacts. Consult Allen-Bradley documentation for detailed compatibility.

Also known as

Allen Bradley Guardmaster 440N 3M Reed 440N Series Non-Contact Switch Rockwell Automation 440N-Z2NRS1A

Replaces / compatible with

This switch is part of the Allen Bradley 440N series and is designed for safety interlocking applications. It can replace other 440N series reed switch models with a 3-meter cable.

Technical note

Expert tip

The use of Reed contacts in the 440N-Z2NRS1A provides a physically actuated switch mechanism, offering a different failure mode compared to solid-state contacts, which may be preferable in certain safety system designs.

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Frequently asked questions

What is the enclosure rating of the Allen Bradley 440N-Z2NRS1A?

The Allen Bradley 440N-Z2NRS1A has an enclosure rating of IP67. This means it is protected against dust ingress and can withstand temporary immersion in water, making it suitable for demanding industrial environments.