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BA1-B0-26-440-121-C Single pole magnetic hydraulic delay circuit breaker rated at 4A and 277V. Panel mount with lever actuator.
Mfr Part #:

BA1-B0-26-440-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single pole magnetic hydraulic delay circuit breaker rated at 4A and 277V. Panel mount with lever actuator.
Stock on Request

BA1-B0-26-440-121-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-B0-26-440-121-C Description

Short technical summary and product information.

The BA1-B0-26-440-121-C from Littelfuse is a single pole magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for 4A continuous current at 277V AC. The hydraulic delay mechanism provides precise time-current tripping characteristics, making it suitable for applications requiring tolerance to inrush currents.

 

The breaker features a lever actuator for manual operation and reset. It is designed for panel mount installation. The housing is non-illuminated. This circuit breaker carries approvals from CCC, CSA, and UL, ensuring compliance with international safety standards.

BA1-B0-26-440-121-C Quick Information

Product Type: Circuit Breaker
Canonical Name: BA1-B0-26-440-121-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Single Pole Circuit Breakers

BA1-B0-26-440-121-C Compliance

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

BA1-B0-26-440-121-C Features

  • Rated for 4A continuous current.
  • 277V AC voltage rating.
  • Single pole configuration.
  • Hydraulic-magnetic delay mechanism.
  • Panel mount with lever actuator.

BA1-B0-26-440-121-C Applications

  • Overcurrent protection for lighting control panels.
  • Suitable for HVAC equipment branch circuits.
  • Protects motors and transformers from overloads.
  • Used in commercial building power distribution.

BA1-B0-26-440-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-26-440-121-C?

4A

What is the voltage rating?

277V

What type of circuit breaker is it?

Magnetic (Hydraulic Delay)

How many poles does it have?

1

What is the actuator type?

Lever

What mounting type is used?

Panel Mount

What approvals does it carry?

CCC, CSA, UL

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