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Allen Bradley

Allen Bradley 440K-E33046 Guardmaster Elf Tongue Interlock Switch

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ManufacturerAllen Bradley

Part number440K-E33046

Contact Configuration 2 NC Safety

Connection Type M16 Conduit, 1/2in NPT Adptr

Enclosure Rating IP67

Material Plastic

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Veteran-owned

CAGE: 9NK75

2 NC Safety Contacts M16 Conduit Connection IP67 Rated Plastic Enclosure Guardmaster Elf Series CCC, CE, CUL, KC, UL Certified

Product description

The Allen-Bradley 440K-E33046 is a Guardmaster Elf tongue interlock switch designed for critical safety applications. It features two normally closed (NC) safety contacts, ensuring that machinery is safely powered down when access points are opened. The switch includes an M16 conduit connection, facilitating straightforward installation in industrial settings.

With a robust plastic enclosure and an IP67 rating, this switch is built to withstand dusty and wet environments. It is ideal for use on hinged, sliding, or lift-off machine guards to prevent operation when guards are not securely in place, adhering to safety regulations. Compliance includes CCC, CE, CUL, KC, and UL standards.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Allen-Bradley 440K-E33046. We provide reliable access to quality components to keep your operations running efficiently.

Technical specifications

Contact Configuration	2 NC Safety
Connection Type	M16 Conduit, 1/2in NPT Adptr
Enclosure Rating	IP67
Material	Plastic
Standard	CCC, CE, CUL, KC, UL

Common applications

Machine Guard Monitoring

Access Control

Industrial Safety

Manufacturing Equipment

Automation Systems

Hazardous Environments

Compatible systems

Machine safety guard interlocking systems

Also known as

440K-E33046 Safety Switch Allen Bradley Elf Tongue Switch Guardmaster Interlock

Replaces / compatible with

This interlock switch is designed to monitor machine guards and doors, ensuring that the machine can only operate when the guard is securely closed.

Technical note

Expert tip

The M16 conduit and 1/2in NPT adapter options allow for versatile integration into existing plant wiring infrastructure.

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Frequently asked questions

What are the contact specifications for the Allen-Bradley 440K-E33046?

The Allen-Bradley 440K-E33046 features two normally closed (NC) safety contacts. This configuration is standard for safety interlock applications where immediate shutdown is required upon opening a machine guard.