FA2-PB-14-840-21A-BT The Littelfuse FA2-PB-14-840-21A-BT is a 2-pole circuit breaker designed for chassis mounting. It features a magnetic hydraulic delay mechanism and a 400A current rating.
Mfr Part #:

FA2-PB-14-840-21A-BT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse FA2-PB-14-840-21A-BT is a 2-pole circuit breaker designed for chassis mounting. It features a magnetic hydraulic delay mechanism and a 400A current rating.
Stock on Request
$ Price Range: $0.99

FA2-PB-14-840-21A-BT 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
Storage Temperature
Tape & Reel
Voltage Rating

FA2-PB-14-840-21A-BT Description

Short technical summary and product information.

This Littelfuse FA2-PB-14-840-21A-BT is a high-performance circuit breaker with a 400A current rating and a voltage rating of 277V. It employs a magnetic (hydraulic delay) tripping mechanism, providing reliable protection.

 

The breaker is designed for chassis mounting and features a lever actuator. It has two poles, ensuring comprehensive circuit control. Approval agencies include CCC and UL489A, indicating compliance with relevant safety standards.

 

This component is suitable for applications requiring robust overcurrent protection. Its construction and specifications make it a dependable choice for industrial and commercial electrical systems.

FA2-PB-14-840-21A-BT Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. FA2-PB-14-840-21A-BT Circuit Breaker
Subcategory: Circuit Breaker

FA2-PB-14-840-21A-BT Compliance

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

FA2-PB-14-840-21A-BT Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

FA2-PB-14-840-21A-BT Features

  • 400A current rating for high-power applications.
  • 277V voltage rating for system compatibility.
  • Magnetic (hydraulic delay) tripping mechanism.
  • Two-pole design for circuit isolation.
  • Chassis mount for secure installation.

FA2-PB-14-840-21A-BT Applications

  • Industrial power distribution systems.
  • Commercial electrical control panels.
  • High-current protection circuits.
  • Machinery and equipment safety.

FA2-PB-14-840-21A-BT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the FA2-PB-14-840-21A-BT circuit breaker?

The current rating is 400A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 277V.

What type of breaker mechanism does the FA2-PB-14-840-21A-BT use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How many poles does this circuit breaker have?

It has 2 poles.

What are the approval agencies for the FA2-PB-14-840-21A-BT?

The approval agencies are CCC and UL489A.

What is the mounting type for this circuit breaker?

The mounting type is Chassis Mount.

FA2-PB-14-840-21A-BT Alternate Parts

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The FS2-P0-16-840-22A-BT is a circuit breaker from Littelfuse Inc. It offers a 400A current rating and a 277V AC voltage rating.
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FA2-P0-14-840-42A-BT
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The Littelfuse Inc. FA2-P0-14-840-42A-BT is a 2-pole circuit breaker. It features a 400A current rating and a 277V voltage rating. This breaker is designed for chassis mounting and utilizes a magnetic (hydraulic delay) mechanism.
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FA2-PB-16-840-32A-BT
FA2-PB-16-840-32A-BT
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The Littelfuse Inc. FA2-PB-16-840-32A-BT is a 2-pole circuit breaker designed for chassis mounting. It features a 400A current rating and a 277V voltage rating.
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FT2-MA-14-840-22A-BT
FT2-MA-14-840-22A-BT
Littelfuse Inc.
The Littelfuse Inc. FT2-MA-14-840-22A-BT is a 2-pole circuit breaker designed for chassis mounting. It features a magnetic hydraulic delay mechanism.
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