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Allen Bradley 440G-MT47040 Guardmaster Guardlock Switch

Allen Bradley 440G-MT47040 Guardlock Switch

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ManufacturerAllen Bradley

Part number440G-MT47040

Actuator Flexible

Connection Type M20 Conduit, 1/2in. NPT Adptr

Contact Configuration 3 N.C. Safety, 1 N.O Aux

Contact Type Break Before Make

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12-month warranty

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Power to Release mechanism 3 NC, 1 NO Contacts Break Before Make Die-cast alloy housing IP67 rated High holding force (1600 N)

Product description

The Allen Bradley 440G-MT47040 is a Guardmaster MT Guardlock Switch designed for robust industrial safety applications. It features a 'Power to Release' mechanism, ensuring guards remain locked until the solenoid is energized. This model is equipped with 3 Normally Closed (NC) safety contacts and 1 Normally Open (NO) auxiliary contact, with a Break Before Make (BBM) contact type for reliable operation.

This guardlock switch is ideal for machinery where immediate stopping is not possible or could cause damage, such as in manufacturing plants, material handling, and automated assembly lines. Its die-cast alloy construction ensures durability in harsh environments, and it complies with CCC, CE, CUL, KC, and UL safety standards.

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Technical specifications

Actuator	Flexible
Connection Type	M20 Conduit, 1/2in. NPT Adptr
Contact Configuration	3 N.C. Safety, 1 N.O Aux
Contact Type	Break Before Make
Enclosure Rating	IP67
Material	Die Cast Alloy
Standard	CCC,CE,CUL,KC,UL
Solenoid Voltage	24V ACDC
Holding Force	1600N (360lbs)

Common applications

Manufacturing

Material Handling

Automated Assembly Lines

Industrial Machinery Safety

Hazardous Locations

Compatible systems

Allen-Bradley Guardmaster MT series

Also known as

440G-MT47040 Guardmaster Allen Bradley Safety Interlock MT Guardlock Switch

Replaces / compatible with

Compatible with Allen Bradley Guardmaster 440G-MT series accessories.

Technical note

Expert tip

The 24V ACDC solenoid requires proper voltage supply for the 'Power to Release' function; ensure compatibility with your control system.

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Frequently asked questions

What are the contact specifications for the Allen Bradley 440G-MT47040?

The Allen Bradley 440G-MT47040 features 3 Normally Closed (NC) safety contacts and 1 Normally Open (NO) auxiliary contact. It uses a Break Before Make (BBM) contact type for reliable operation in safety interlock applications.