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AT1-B2-14-650-M21-MT The Littelfuse Inc. AT1-B2-14-650-M21-MT is a single-pole, magnetic hydraulic delay circuit breaker. It features a 50A current rating and a 277V voltage rating.
Mfr Part #:

AT1-B2-14-650-M21-MT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AT1-B2-14-650-M21-MT is a single-pole, magnetic hydraulic delay circuit breaker. It features a 50A current rating and a 277V voltage rating.
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$ Price Range: $0.99

AT1-B2-14-650-M21-MT 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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AT1-B2-14-650-M21-MT Description

Short technical summary and product information.

This Littelfuse Inc. AT1-B2-14-650-M21-MT is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for reliable operation.

 

The breaker has a current rating of 50A and a voltage rating of 277V. It features a lever actuator and is not illuminated. Approval agencies include CCC and UL489A.

 

This component is suitable for applications requiring robust overcurrent protection. Its panel mount design facilitates integration into various electrical enclosures and systems.

AT1-B2-14-650-M21-MT Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AT1-B2-14-650-M21-MT Circuit Breaker
Subcategory: Circuit Breaker

AT1-B2-14-650-M21-MT Compliance

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

AT1-B2-14-650-M21-MT Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

AT1-B2-14-650-M21-MT Features

  • 50A current rating for protection.
  • 277V voltage rating for AC applications.
  • Magnetic hydraulic delay breaker type.
  • Single pole, panel mount design.
  • Lever actuator for operation.

AT1-B2-14-650-M21-MT Applications

  • Industrial control panels.
  • Power distribution systems.
  • Equipment protection circuits.
  • Electrical enclosure integration.

AT1-B2-14-650-M21-MT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AT1-B2-14-650-M21-MT circuit breaker?

The current rating is 50A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 277V.

What type of breaker mechanism does the AT1-B2-14-650-M21-MT use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

This is a single pole circuit breaker.

What is the mounting type for the AT1-B2-14-650-M21-MT?

The mounting type is Panel Mount.

What are the approval agencies for this circuit breaker?

Approval agencies include CCC and UL489A.

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