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Allen Bradley 440N-Z21SS2AN Guard Master Stainless Steel Switch

Allen Bradley 440N-Z21SS2AN Guard Master safety switch with NEMA 6P rating.

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ManufacturerAllen Bradley

Part number440N-Z21SS2AN

Actuator Type Stainless Steel

Housing Material Stainless Steel

Environmental Rating NEMA 6P

Series 440N Guard Master

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12-month warranty

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Same-day dispatch

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Stainless steel actuator and housing NEMA 6P rating for washdown Corrosion resistant High reliability Guard Master series

Product description

The Allen Bradley 440N-Z21SS2AN is a high-performance Guard Master safety switch constructed with a stainless steel actuator and housing. It offers enhanced protection against corrosion and harsh environmental conditions, including washdowns, with a NEMA 6P rating. This model is designed for robust machine safety applications.

This safety switch is widely used in industries such as food and beverage, pharmaceuticals, and chemical processing where stringent hygiene standards and resistance to corrosive agents are paramount. It ensures that machinery is safely de-energized when guards are accessed.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 440N-Z21SS2AN. We provide cost-effective solutions and prompt delivery for your industrial automation needs.

Technical specifications

Actuator Type	Stainless Steel
Housing Material	Stainless Steel
Environmental Rating	NEMA 6P
Series	440N Guard Master
Actuator Color	Silver

Common applications

Food & Beverage Processing

Pharmaceutical Manufacturing

Chemical Plants

Wet Environments

Industrial Automation

Harsh Conditions

Compatible systems

Integrates with Allen Bradley safety relays and safety controllers for complete safety system implementation.

Also known as

440N-Z21SS2AN Switch AB Guard Master Safety Stainless Steel Safety Interlock

Replaces / compatible with

This switch is designed as a direct replacement or upgrade for previous Allen Bradley safety switch models requiring superior environmental protection. Compatible with Guard Master accessories.

Technical note

Expert tip

The NEMA 6P rating ensures protection against submersion, making it critical for areas subject to frequent high-pressure washdowns.

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Frequently asked questions

What does the NEMA 6P rating signify for the 440N-Z21SS2AN safety switch?

The NEMA 6P rating indicates that the Allen Bradley 440N-Z21SS2AN safety switch is protected against dust, oil, and water, making it suitable for complete submersion up to a specified depth. This is ideal for washdown applications.