BA1-B0-10-450-121-C 1-Pole Magnetic (Hydraulic Delay) circuit breaker from Littelfuse, rated 5A at 277V with lever actuator and panel mount.
Mfr Part #:

BA1-B0-10-450-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
1-Pole Magnetic (Hydraulic Delay) circuit breaker from Littelfuse, rated 5A at 277V with lever actuator and panel mount.
Stock on Request

BA1-B0-10-450-121-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
SVHC Present
Voltage Rating

BA1-B0-10-450-121-C Description

Short technical summary and product information.

The Littelfuse BA1-B0-10-450-121-C is a single-pole magnetic (hydraulic delay) circuit breaker designed for overcurrent protection in electrical circuits. It is rated for 5A continuous current at 277V AC/DC, providing reliable protection in a compact panel-mounted package.

 

The circuit breaker features a lever actuator for manual reset and is part of the BA1 series. With magnetic hydraulic delay technology, it offers precise trip characteristics and is suitable for applications requiring time-delay tripping. The breaker is not illuminated.

 

This component is panel mounted, making it easy to integrate into control panels and distribution boxes. It holds approvals from CCC, CSA, and UL, ensuring compliance with international safety standards. The device is RoHS3 compliant and REACH unaffected.

 

Ideal for use in industrial control, power distribution, and equipment protection, this circuit breaker combines robust construction with reliable performance.

BA1-B0-10-450-121-C Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: BA1-B0-10-450-121-C Series Circuit Breaker, 5A, 277V, 1 Pole, Magnetic Hydraulic Delay, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breakers

BA1-B0-10-450-121-C Compliance

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

BA1-B0-10-450-121-C Features

  • Rated for 5A continuous current at 277V.
  • Single-pole magnetic hydraulic delay mechanism.
  • Panel mount design with lever actuator.
  • Approved to CCC, CSA, and UL standards.
  • RoHS3 compliant and REACH unaffected.

BA1-B0-10-450-121-C Applications

  • Overcurrent protection in industrial control panels.
  • Power distribution for lighting and HVAC systems.
  • Equipment protection in commercial machinery.
  • Branch circuit protection in electrical enclosures.

BA1-B0-10-450-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the BA1-B0-10-450-121-C?

277V.

What type of mounting does this circuit breaker use?

Panel mount.

What is the current rating?

5A.

How many poles does it have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What approvals does it hold?

CCC, CSA, UL.

What is the actuator type?

Lever.

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BA1-B0-22-450-121-C
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The Littelfuse Inc. AA1-B0-16-450-3G1-C is a 1-pole circuit breaker designed for panel mounting. It features a 5A current rating and a 277V voltage rating.
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