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BA1-B2-12-620-322-C This is a 20A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
Mfr Part #:

BA1-B2-12-620-322-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a 20A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
Stock on Request

BA1-B2-12-620-322-C 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
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BA1-B2-12-620-322-C Description

Short technical summary and product information.

The BA1-B2-12-620-322-C is a 1-pole magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse Inc. It is rated for 20A at 277V AC. This circuit breaker uses a magnetic hydraulic delay mechanism to provide overcurrent protection with a time-delay characteristic that allows for temporary inrush currents. The breaker is actuated via a lever and is designed for panel mount installation. No illumination is provided on the actuator.

 

The magnetic (hydraulic delay) design makes this circuit breaker suitable for applications requiring protection against sustained overloads while accommodating momentary current surges. The breaker is rated for 277V, making it compatible with standard lighting and industrial control circuits. As a single-pole device, it switches one line conductor.

BA1-B2-12-620-322-C Quick Information

Product Type: Circuit Breaker
Canonical Name: BA1-B2-12-620-322-C Circuit Breaker
Subcategory: Magnetic Circuit Breaker

BA1-B2-12-620-322-C Compliance

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

BA1-B2-12-620-322-C Features

  • 20A rated current for overcurrent protection.
  • 277V AC voltage rating for lighting and control.
  • Magnetic hydraulic delay for time-delay tripping.
  • Single pole design switches one line conductor.
  • Panel mount with lever actuator.

BA1-B2-12-620-322-C Applications

  • Used for branch circuit protection in panels.
  • Suitable for lighting and general AC loads.
  • Ideal for motor control circuits with inrush.
  • Applied in industrial control and distribution.

BA1-B2-12-620-322-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

277V

What is the current rating?

20A

What type of circuit breaker is this?

Magnetic (Hydraulic Delay)

How many poles does it have?

1

What is the actuator type?

Lever

What is the mounting type?

Panel Mount

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