BA1-B0-24-630-121-C Littelfuse BA1-B0-24-630-121-C is a 30A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker with lever actuator. It features panel mount and is approved by UL, CSA, and CCC.
Mfr Part #:

BA1-B0-24-630-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse BA1-B0-24-630-121-C is a 30A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker with lever actuator. It features panel mount and is approved by UL, CSA, and CCC.
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BA1-B0-24-630-121-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

BA1-B0-24-630-121-C Description

Short technical summary and product information.

The Littelfuse BA1-B0-24-630-121-C is a single-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection in electrical systems. It is rated for 30A continuous current and 277V operation, making it suitable for a variety of commercial and industrial applications.

 

The breaker features a lever actuator for manual switching and reset, and is panel mounted for secure installation. The magnetic hydraulic delay mechanism provides time-delayed tripping to handle inrush currents while ensuring reliable protection against sustained overloads and short circuits.

 

This circuit breaker holds approvals from UL, CSA, and CCC, indicating compliance with North American and Chinese safety standards. It is a non-illuminated unit, suitable for environments where visual indication is not required.

BA1-B0-24-630-121-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse BA1-B0-24-630-121-C 30A 277V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

BA1-B0-24-630-121-C Compliance

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

BA1-B0-24-630-121-C Features

  • Rated for 30A continuous current.
  • Rated for 277V AC/DC operation.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole lever actuator.
  • Panel mount installation.

BA1-B0-24-630-121-C Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in lighting systems.
  • Motor protection in HVAC equipment.
  • Power distribution in commercial buildings.

BA1-B0-24-630-121-C FAQs

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

The voltage rating is 277 V.

What is the current rating?

The current rating is 30 A.

What type of circuit breaker is this?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does it have?

It has 1 pole.

What actuator type does it use?

It uses a lever actuator.

What approvals does this circuit breaker have?

It is approved by CCC, CSA, and UL.

What is the mounting type?

It is panel mounted.

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