440K-MT55029 | Allen-Bradley Tongue Interlock
440K-MT55029 | Allen-Bradley Tongue Interlock
440K-MT55029 | Allen-Bradley Tongue Interlock
    440K-MT55029 | Allen-Bradley Tongue Interlock
440K-MT55029 | Allen-Bradley Tongue Interlock

440K-MT55029 | Allen-Bradley Tongue Interlock

Part #: 440K-MT55029 Manufactured by: Allen-Bradley
Regular price
$229.00
Sale price
$229.00
Regular price
2 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The 440K-MT55029 is a tongue interlock switch from Allen-Bradley’s Guardmaster Series, designed for safety applications in...  Read more
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warranty
IQElectro 2-Year Warranty
Warranty for Product #: 440K-MT55029
IQElectro offers a free 2-year warranty on all products. You can trust that every purchase is a reliable investment in the future of your company. Warranty Terms
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IQElectro is Not an authorized distributor for Allen-Bradley
Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: 440K-MT55029

Description / Specifications

Description 

The 440K-MT55029 is a tongue interlock switch from Allen-Bradley, designed for safety applications requiring position monitoring of guards and access doors. Part of the Guardmaster line, it features a compact, rugged housing and a mechanical tongue actuator, ensuring secure machine access control.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley 
Category
Safety Systems
Part Number 440K-MT55029
Subcategory
Safety Interlock Switch
Actuator Fully-Flex
BBM or MBB Break Before Make
Conduit Entry/Connection Type
1/2in NPT Conduit
Contacts (Safety/Auxiliary) 3 Normally Closed, 1 Normally Open
Housing Type Metal
Model Type Standard
Product Family MT-GD2
Weight 1.20 lbs

  

 

Information About 440K-MT55029

The 440K-MT55029 is a compact tongue interlock switch from Allen-Bradley’s Guardmaster Series, designed to enhance machine safety by ensuring access doors or guards remain closed before operation. With a mechanical key (tongue) actuator and robust enclosure, this safety switch is ideal for monitoring the position of sliding or hinged guards in industrial environments. Rated to IP67, it withstands dust, moisture, and vibration, making it a reliable component in safety interlock systems for machinery and automation equipment.

Key Features:

  • Compatibility: Allen-Bradley Guardmaster Series safety systems

  • Switch Type: Tongue interlock switch for mechanical key actuation

  • Safety Function: Prevents machine operation when guard doors are open or misaligned

  • Contact Configuration: 2 N.C. safety contacts + 1 N.O. auxiliary contact (typical)

  • Housing Material: Rugged, compact enclosure (plastic or metal)

  • Mounting Orientation: Suitable for hinged or sliding guard doors

  • Ingress Protection: IP67 – dust tight and water-resistant

  • Actuator Type: Mechanical tongue/key (must be inserted to operate)

  • Electrical Ratings: Compatible with low-voltage safety control circuits

  • Standards Compliance: ISO 14119, IEC 60947-5-1, UL, CSA, CE certified

This tongue interlock switch is ideal for OEMs, machine builders, and safety system integrators requiring a dependable, tamper-resistant solution to help protect personnel from access to hazardous machine areas during operation.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The 440K-MT55029 is a tongue interlock switch from Allen-Bradley, designed for safety applications requiring position monitoring of guards and access doors. Part of the Guardmaster line, it features a compact, rugged housing and a mechanical tongue actuator, ensuring secure machine access control.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley 
Category
Safety Systems
Part Number 440K-MT55029
Subcategory
Safety Interlock Switch
Actuator Fully-Flex
BBM or MBB Break Before Make
Conduit Entry/Connection Type
1/2in NPT Conduit
Contacts (Safety/Auxiliary) 3 Normally Closed, 1 Normally Open
Housing Type Metal
Model Type Standard
Product Family MT-GD2
Weight 1.20 lbs

  

 

Information About 440K-MT55029

The 440K-MT55029 is a compact tongue interlock switch from Allen-Bradley’s Guardmaster Series, designed to enhance machine safety by ensuring access doors or guards remain closed before operation. With a mechanical key (tongue) actuator and robust enclosure, this safety switch is ideal for monitoring the position of sliding or hinged guards in industrial environments. Rated to IP67, it withstands dust, moisture, and vibration, making it a reliable component in safety interlock systems for machinery and automation equipment.

Key Features:

  • Compatibility: Allen-Bradley Guardmaster Series safety systems

  • Switch Type: Tongue interlock switch for mechanical key actuation

  • Safety Function: Prevents machine operation when guard doors are open or misaligned

  • Contact Configuration: 2 N.C. safety contacts + 1 N.O. auxiliary contact (typical)

  • Housing Material: Rugged, compact enclosure (plastic or metal)

  • Mounting Orientation: Suitable for hinged or sliding guard doors

  • Ingress Protection: IP67 – dust tight and water-resistant

  • Actuator Type: Mechanical tongue/key (must be inserted to operate)

  • Electrical Ratings: Compatible with low-voltage safety control circuits

  • Standards Compliance: ISO 14119, IEC 60947-5-1, UL, CSA, CE certified

This tongue interlock switch is ideal for OEMs, machine builders, and safety system integrators requiring a dependable, tamper-resistant solution to help protect personnel from access to hazardous machine areas during operation.

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