BA1-B0-34-620-121-D The Littelfuse Inc. BA1-B0-34-620-121-D is a 1-pole circuit breaker rated for 20A and 277VAC. It features a panel mount design and magnetic hydraulic delay.
Mfr Part #:

BA1-B0-34-620-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-34-620-121-D is a 1-pole circuit breaker rated for 20A and 277VAC. It features a panel mount design and magnetic hydraulic delay.
Stock on Request

BA1-B0-34-620-121-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-B0-34-620-121-D Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B0-34-620-121-D is a single-pole circuit breaker designed for panel mounting. It offers a current rating of 20A and a voltage rating of 277VAC, with an additional DC voltage rating of 80VDC.

 

The breaker type is magnetic with a hydraulic delay, providing specific trip characteristics. The actuator type is a lever for easy operation. It is approved by CSA, UL, and VDE.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. These specifications make it suitable for various industrial and commercial applications requiring reliable overcurrent protection.

BA1-B0-34-620-121-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B0-34-620-121-D Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breaker

BA1-B0-34-620-121-D Compliance

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

BA1-B0-34-620-121-D Features

  • 20A current rating for protection.
  • 277VAC voltage rating.
  • Magnetic hydraulic delay type.
  • Panel mount design.
  • 1-pole configuration.

BA1-B0-34-620-121-D Applications

  • Industrial control panels.
  • Commercial electrical systems.
  • Power distribution units.
  • Machinery safety circuits.

BA1-B0-34-620-121-D FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-34-620-121-D?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

It is rated for 277VAC and 80VDC.

What type of breaker is the BA1-B0-34-620-121-D?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It is a single-pole (1-pole) circuit breaker.

What is the actuator type?

The actuator type is a lever.

What is the mounting type for this part?

It is designed for panel mounting.

BA1-B0-34-620-121-D Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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BA1-B0-34-620-111-D
BA1-B0-34-620-111-D
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-34-620-111-D is a 1-pole circuit breaker rated for 20A and 277VAC. It features a panel mount design with a lever actuator.
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