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BA1-B3-34-650-M21-C BA1-B3-34-650-M21-C is a 50A, 277V, single-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a lever actuator and panel mount design.
Mfr Part #:

BA1-B3-34-650-M21-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
BA1-B3-34-650-M21-C is a 50A, 277V, single-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a lever actuator and panel mount design.
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BA1-B3-34-650-M21-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
SVHC Present
Voltage Rating
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BA1-B3-34-650-M21-C Description

Short technical summary and product information.

The Littelfuse BA1-B3-34-650-M21-C is a single-pole magnetic circuit breaker with hydraulic delay, rated for 50A continuous current at 277V AC/DC. It uses a lever actuator for manual on/off control and is designed for panel mount installation.

 

This circuit breaker carries approvals from CCC, CSA, and UL, indicating compliance with international safety standards. It is identified as RoHS3 compliant and has a moisture sensitivity level of 1 (unlimited), though these compliance declarations are unverified from external sources.

 

The magnetic hydraulic delay mechanism provides reliable overcurrent protection with a time delay to handle inrush currents without nuisance tripping, making it suitable for industrial and commercial power distribution applications.

BA1-B3-34-650-M21-C Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse BA1-B3-34-650-M21-C Magnetic Hydraulic Delay Circuit Breaker, 50A, 277V, 1 Pole, Panel Mount
Subcategory: Magnetic Circuit Breaker

BA1-B3-34-650-M21-C Compliance

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

BA1-B3-34-650-M21-C Features

  • Rated 50A continuous current at 277V.
  • Magnetic hydraulic delay overcurrent protection.
  • Single-pole design with lever actuator.
  • Panel mount for secure installation.
  • Approved by CCC, CSA, and UL.

BA1-B3-34-650-M21-C Applications

  • Panel mount circuit breaker for 50A loads.
  • Protects 277V single-pole electrical circuits.
  • Hydraulic magnetic delay for reliable overcurrent protection.
  • Suitable for industrial equipment and control panels.
  • Lever actuator allows manual circuit reset.

BA1-B3-34-650-M21-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B3-34-650-M21-C?

50A.

What is the voltage rating of this circuit breaker?

277V.

What type of circuit breaker is the BA1-B3-34-650-M21-C?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1.

What actuator type is used on this circuit breaker?

Lever.

What mounting type does the BA1-B3-34-650-M21-C use?

Panel Mount.

What safety approvals does this circuit breaker carry?

CCC, CSA, and UL.

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