BA1-B0-12-620-221-D The Littelfuse Inc. BA1-B0-12-620-221-D is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism.
Mfr Part #:

BA1-B0-12-620-221-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-12-620-221-D is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism.
Stock on Request

BA1-B0-12-620-221-D 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

BA1-B0-12-620-221-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number BA1-B0-12-620-221-D, is a single-pole device rated for 20A and 277V. It utilizes a magnetic (hydraulic delay) tripping mechanism, providing reliable overcurrent protection.

 

The breaker is designed for panel mounting, offering a secure and accessible installation point in various electrical systems. Its lever actuator allows for easy operation.

 

Key specifications include a 20A current rating and a 277V voltage rating. The device is approved by CCC, CSA, UL, and VDE, indicating compliance with international safety standards. It is also RoHS3 compliant and has an MSL of 1.

BA1-B0-12-620-221-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B0-12-620-221-D Circuit Breaker

BA1-B0-12-620-221-D Compliance

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

BA1-B0-12-620-221-D Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic (hydraulic delay) trip.
  • Panel mount design.
  • Lever actuator for operation.

BA1-B0-12-620-221-D Applications

  • Suitable for overcurrent protection.
  • Used in electrical distribution panels.
  • Ideal for industrial equipment.
  • Applicable in commercial buildings.

BA1-B0-12-620-221-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-12-620-221-D circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker is the BA1-B0-12-620-221-D?

It is a Magnetic (Hydraulic Delay) breaker.

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.

Which approval agencies have certified this circuit breaker?

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

Is the BA1-B0-12-620-221-D RoHS compliant?

Yes, it is RoHS3 Compliant.

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