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Allen Bradley 440K-C21054 Guardmaster Cadet 3 Tongue Interlock

Allen Bradley 440K-C21054 Guardmaster Cadet 3 Tongue Interlock.

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ManufacturerAllen Bradley

Part number440K-C21054

Actuator Flat

Connection Type 6-Pin AC Micro QD

Contact Configuration 2 NC Safety, 1 NO Aux

Contact Type Break Before Make

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2 NC Safety Contacts 1 NO Auxiliary Contact Break Before Make IP67 Rated 6-Pin Micro QD Compact Housing

Product description

The Allen Bradley 440K-C21054 is a Guardmaster Cadet 3 Tongue Interlock Switch featuring 2 Normally Closed (NC) safety contacts and 1 Normally Open (NO) auxiliary contact. It utilizes a Break Before Make contact type and a flat actuator. The switch has a compact housing and is rated to IP67, with a 6-Pin Micro Quick Disconnect (QD) connection.

This safety interlock switch is ideal for monitoring the position of guards on industrial machinery. It ensures that equipment cannot operate if guards are not in their correct, secure position, thereby preventing accidents and protecting personnel.

Source your Allen Bradley 440K-C21054 from Stanlo Automation. As a veteran-owned surplus parts distributor, we are dedicated to providing reliable industrial automation components and exceptional customer service.

Technical specifications

Actuator	Flat
Connection Type	6-Pin AC Micro QD
Contact Configuration	2 NC Safety, 1 NO Aux
Contact Type	Break Before Make
Enclosure Rating	IP67
Standard	CCC,CUL,KC,UL

Common applications

Machine Safety

Industrial Automation

Manufacturing

Guard Monitoring

Compatible systems

Compatible with Allen-Bradley safety control systems and machine guarding circuits.

Also known as

Allen Bradley 440K-C21054 Guardmaster Cadet 3

Replaces / compatible with

This switch is part of the Guardmaster Cadet 3 series, designed for machine guarding applications.

Technical note

Expert tip

The 6-pin AC Micro QD connector requires a compatible mating connector for electrical connection.

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Frequently asked questions

What is the contact rating for the Allen Bradley 440K-C21054?

The Allen Bradley 440K-C21054 has a contact rating of 6 A at 24 VDC, and various AC ratings including 600 VAC at 1.2 A and 240 VAC at 3 A.