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Allen Bradley 440K-C21050 Guardmaster Tongue Interlock Switch

Allen Bradley 440K-C21050 Guardmaster Tongue Interlock Switch.

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ManufacturerAllen Bradley

Part number440K-C21050

Actuator Flat

Connection Type M16 Conduit, 1/2in. NPT Adptr

Contact Configuration 2 NC Safety, 1 NO Aux

Contact Rating 6A @ 125VAC, 3A @ 230VAC, 2A @ 24VDC

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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 Enclosure Rating M16 Conduit Connection

Product description

The Allen Bradley 440K-C21050 is a Guardmaster Tongue Interlock Switch from the Cadet 3 series. It features 2 Normally Closed (NC) safety contacts and 1 Normally Open (NO) auxiliary contact, with Break Before Make operation. This switch is IP67 rated and offers M16 Conduit connection with a 1/2in. NPT adapter, making it suitable for various industrial environments.

This interlock switch is designed for safety functions, fitting at the leading edge of sliding, hinged, or lift-off guards. It's commonly used in manufacturing machinery and automated systems to prevent operation when guards are not properly secured, enhancing operator safety.

Stanlo Automation, your trusted veteran-owned surplus parts distributor, offers the Allen Bradley 440K-C21050. We ensure reliable sourcing and prompt delivery of essential safety components to keep your operations running smoothly.

Technical specifications

Actuator	Flat
Connection Type	M16 Conduit, 1/2in. NPT Adptr
Contact Configuration	2 NC Safety, 1 NO Aux
Contact Rating	6A @ 125VAC, 3A @ 230VAC, 2A @ 24VDC
Contact Type	Break Before Make
Enclosure Rating	IP67

Common applications

Machine Safety

Industrial Automation

Manufacturing

Guard Monitoring

Compatible systems

Compatible with Allen-Bradley control systems and safety circuits.

Also known as

Allen Bradley 440K-C21050 Cadet 3 Tongue Interlock

Replaces / compatible with

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

Technical note

Expert tip

The M16 conduit connection requires appropriate fittings for secure and sealed installation in industrial settings.

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Frequently asked questions

What is the IP rating of the Allen Bradley 440K-C21050?

The Allen Bradley 440K-C21050 features an IP67 enclosure rating, providing excellent protection against dust and water ingress, making it suitable for harsh industrial environments.