AT1-B2-14-450-121-MT The Littelfuse Inc. AT1-B2-14-450-121-MT is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 277V voltage rating.
Mfr Part #:

AT1-B2-14-450-121-MT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AT1-B2-14-450-121-MT is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AT1-B2-14-450-121-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

AT1-B2-14-450-121-MT Description

Short technical summary and product information.

This Littelfuse Inc. AT1-B2-14-450-121-MT is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic (hydraulic delay) mechanism and has a current rating of 5A.

 

The breaker is rated for a voltage of 277V and features a lever actuator. Its mounting type is panel mount, making it suitable for integration into various electrical enclosures and control panels.

 

Key electrical characteristics include its 5A current capacity and 277V voltage rating. The breaker type is magnetic with a hydraulic delay, providing specific protection characteristics. It has a single pole configuration and no illumination.

 

This component is suitable for applications requiring reliable overcurrent protection within its specified electrical limits. The panel mount design facilitates straightforward installation in equipment.

AT1-B2-14-450-121-MT Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AT1-B2-14-450-121-MT Circuit Breaker
Subcategory: Circuit Breaker

AT1-B2-14-450-121-MT Compliance

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

AT1-B2-14-450-121-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-B2-14-450-121-MT Features

  • 5A current rating for protection.
  • 277V voltage rating.
  • Panel mount design.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole configuration.

AT1-B2-14-450-121-MT Applications

  • Suitable for circuit protection in electrical systems.
  • Used in panel-mounted electrical control panels.
  • Ideal for overload and short circuit protection.
  • Applicable in industrial and commercial electrical installations.

AT1-B2-14-450-121-MT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AT1-B2-14-450-121-MT circuit breaker?

The current rating is 5A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AT1-B2-14-450-121-MT?

It is a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

It has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

What is the RoHS status of this component?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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