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BA1-B0-34-620-111-C The BA1-B0-34-620-111-C by Littelfuse Inc. is a 1-pole magnetic hydraulic delay circuit breaker rated for 20A at 277V. It features a panel mount design with a lever actuator and is approved by CCC, CSA, and UL.
Mfr Part #:

BA1-B0-34-620-111-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The BA1-B0-34-620-111-C by Littelfuse Inc. is a 1-pole magnetic hydraulic delay circuit breaker rated for 20A at 277V. It features a panel mount design with a lever actuator and is approved by CCC, CSA, and UL.
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BA1-B0-34-620-111-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating
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BA1-B0-34-620-111-C Description

Short technical summary and product information.

The BA1-B0-34-620-111-C is a single-pole magnetic circuit breaker from Littelfuse Inc., designed with a hydraulic delay mechanism for reliable overcurrent protection. It is rated for 20 amps at 277 volts AC, making it suitable for branch circuit protection in commercial and industrial applications.

 

The breaker features a panel mount configuration with a lever actuator for manual reset and switching. It is non-illuminated and carries approvals from CCC, CSA, and UL, indicating compliance with major international safety standards. The magnetic hydraulic delay design provides precise trip characteristics that are less sensitive to ambient temperature changes compared to thermal breakers.

 

This component is intended for use in power distribution systems, control panels, and equipment requiring a compact, robust overcurrent protection device. The single-pole format allows for independent protection of one phase or load circuit.

BA1-B0-34-620-111-C Quick Information

Product Type: Circuit Breaker
Canonical Name: BA1-B0-34-620-111-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Hydraulic Delay Circuit Breakers

BA1-B0-34-620-111-C Compliance

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

BA1-B0-34-620-111-C Features

  • Single-pole magnetic hydraulic delay circuit breaker.
  • Rated for 20A continuous current at 277V.
  • Panel mount design with lever actuator.
  • Approved by CCC, CSA, and UL.
  • Non-illuminated actuator for simple operation.

BA1-B0-34-620-111-C Applications

  • Overcurrent protection for branch circuits.
  • Use in commercial power distribution panels.
  • Protection for industrial control equipment.
  • Suitable for lighting and HVAC systems.

BA1-B0-34-620-111-C FAQs

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

277 V AC.

What is the current rating?

20 A.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this breaker have?

1.

What type of actuator does this breaker have?

Lever.

What approvals does this breaker have?

CCC, CSA, UL.

What is the mounting type?

Panel Mount.

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