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AG1-B0-12-620-134-E The Littelfuse Inc. AG1-B0-12-620-134-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AG1-B0-12-620-134-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AG1-B0-12-620-134-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
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AG1-B0-12-620-134-E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating
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AG1-B0-12-620-134-E Description

Short technical summary and product information.

This Littelfuse Inc. AG1-B0-12-620-134-E is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable protection.

 

The breaker has a current rating of 20A and a voltage rating of 277V. It is approved by CCC, CSA, TUV, and UL agencies. The actuator type is a rocker, and it does not feature illumination.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. It is also REACH unaffected. The part number for this item is AG1-B0-12-620-134-E, with a DK Part Number of 432-AG1-B0-12-620-134-E-ND.

AG1-B0-12-620-134-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AG1-B0-12-620-134-E Circuit Breaker
Subcategory: Circuit Breaker

AG1-B0-12-620-134-E Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AG1-B0-12-620-134-E Features

  • 20A current rating for protection.
  • 277V voltage rating capability.
  • Magnetic hydraulic delay breaker type.
  • Panel mount for easy installation.
  • Rocker actuator for operation.

AG1-B0-12-620-134-E Applications

  • Protects motor circuits from sustained overloads.
  • Safeguards transformer installations in control panels.
  • Provides branch circuit protection in distribution boards.
  • Used in industrial machinery power supply lines.
  • Installed in commercial HVAC control systems.

AG1-B0-12-620-134-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage rating for this circuit breaker?

277V

What is the continuous current rating?

20A

How many poles does the AG1-B0-12-620-134-E have?

It has a single pole configuration.

What type of actuator is used on this breaker?

It uses a rocker-style actuator.

Does this circuit breaker include an indicator light?

No, it has no illumination.

Which safety agencies approve this component?

It is approved by UL, CSA, TUV, and CCC.

What mounting method is required for installation?

It requires panel mounting.

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