FA3-B2-12-815-21A-BG The Littelfuse FA3-B2-12-815-21A-BG is a 3-pole circuit breaker. It features a 150A current rating and a 277V voltage rating.
Mfr Part #:

FA3-B2-12-815-21A-BG

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse FA3-B2-12-815-21A-BG is a 3-pole circuit breaker. It features a 150A current rating and a 277V voltage rating.
Stock on Request

FA3-B2-12-815-21A-BG 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
SVHC Present
Voltage Rating

FA3-B2-12-815-21A-BG Description

Short technical summary and product information.

This Littelfuse FA3-B2-12-815-21A-BG is a 3-pole circuit breaker designed for reliable circuit protection. It offers a high current rating of 150A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing specific protection characteristics. It is designed for chassis mounting and features a lever actuator for easy operation. The approval agencies include CCC, cULus, and UL489, indicating compliance with various safety standards.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. These specifications make it suitable for a range of industrial and commercial applications requiring robust circuit protection.

FA3-B2-12-815-21A-BG Quick Information

Product Type: Circuit Breaker
Series: FA3
Canonical Name: Littelfuse Inc. FA3-B2-12-815-21A-BG Circuit Breaker
Subcategory: Circuit Breaker

FA3-B2-12-815-21A-BG Compliance

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

FA3-B2-12-815-21A-BG Features

  • 150A current rating for high power circuits.
  • 277V voltage rating for industrial applications.
  • 3-pole configuration for multi-phase protection.
  • Chassis mount for secure installation.
  • Magnetic hydraulic delay breaker type.

FA3-B2-12-815-21A-BG Applications

  • Industrial power distribution systems.
  • Commercial electrical installations.
  • Machine control panels.
  • Power supply protection circuits.

FA3-B2-12-815-21A-BG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the FA3-B2-12-815-21A-BG circuit breaker?

The current rating is 150A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How many poles does the FA3-B2-12-815-21A-BG have?

It has 3 poles.

What type of breaker is the FA3-B2-12-815-21A-BG?

It is a Magnetic (Hydraulic Delay) breaker type.

What is the mounting type for this circuit breaker?

The mounting type is Chassis Mount.

What are the approval agencies for this part?

The approval agencies are CCC, cULus, and UL489.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

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