BA1-B2-24-630-121-C This Littelfuse BA1-B2-24-630-121-C is a 30A, 277V, 1-pole magnetic hydraulic delay circuit breaker with a lever actuator. It features panel mount installation and is approved by UL, CSA, and CCC.
Mfr Part #:

BA1-B2-24-630-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse BA1-B2-24-630-121-C is a 30A, 277V, 1-pole magnetic hydraulic delay circuit breaker with a lever actuator. It features panel mount installation and is approved by UL, CSA, and CCC.
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BA1-B2-24-630-121-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-B2-24-630-121-C Description

Short technical summary and product information.

The Littelfuse BA1-B2-24-630-121-C is a single-pole magnetic hydraulic delay circuit breaker rated for 30A at 277V AC. The magnetic hydraulic delay mechanism provides time-delayed overcurrent protection, allowing for temporary inrush currents without nuisance tripping. This breaker is designed for panel mount installation and features a lever actuator for manual switching and reset.

 

The breaker is certified by UL, CSA, and CCC, ensuring compliance with international safety standards. Its compact single-pole design is suitable for branch circuit protection in commercial and industrial power distribution systems. The voltage rating of 277V makes it compatible with common lighting and HVAC circuits in North American installations.

BA1-B2-24-630-121-C Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse BA1-B2-24-630-121-C Circuit Breaker, 30A, 277V, 1-Pole, Magnetic Hydraulic Delay
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

BA1-B2-24-630-121-C Compliance

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

BA1-B2-24-630-121-C Features

  • Rated for 30A continuous current.
  • Rated voltage of 277V AC.
  • Single pole magnetic hydraulic delay action.
  • Panel mount with lever actuator.
  • UL, CSA, and CCC approved.

BA1-B2-24-630-121-C Applications

  • Ideal for branch circuit protection.
  • Used in commercial power distribution.
  • Suitable for industrial control panels.
  • Provides overcurrent protection with time delay.
  • Applicable in lighting and HVAC systems.

BA1-B2-24-630-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the BA1-B2-24-630-121-C?

The voltage rating is 277V.

What is the current rating of this circuit breaker?

The current rating is 30A.

What type of circuit breaker is the BA1-B2-24-630-121-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does the BA1-B2-24-630-121-C have?

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

What type of actuator does this breaker use?

It uses a lever actuator.

How is the BA1-B2-24-630-121-C mounted?

It is designed for panel mount installation.

What agency approvals does the BA1-B2-24-630-121-C have?

It is approved by CCC, CSA, and UL.

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