BA1-B0-12-615-121-D BA1-B0-12-615-121-D is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc., rated for 15A at 277V. It features a lever actuator and panel mount design.
Mfr Part #:

BA1-B0-12-615-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
BA1-B0-12-615-121-D is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc., rated for 15A at 277V. It features a lever actuator and panel mount design.
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BA1-B0-12-615-121-D 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-B0-12-615-121-D Description

Short technical summary and product information.

The BA1-B0-12-615-121-D is a single-pole magnetic circuit breaker from Littelfuse Inc., utilizing a hydraulic delay mechanism for reliable overcurrent protection. It is rated for 15A continuous current at 277V AC, making it suitable for branch circuit protection in a variety of electrical systems.

 

The breaker features a lever actuator for manual on/off control and is designed for panel mount installation. Its magnetic (hydraulic delay) trip characteristic provides time-delayed tripping for handling inrush currents while offering fast response to high-level faults.

 

This component is approved by CCC, CSA, UL, and VDE, indicating compliance with major international safety standards. The non-illuminated actuator keeps the design simple and robust for industrial and commercial applications.

BA1-B0-12-615-121-D Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: BA1-B0-12-615-121-D Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

BA1-B0-12-615-121-D Compliance

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

BA1-B0-12-615-121-D Features

  • Rated for 15A at 277V AC operation.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, UL, and VDE.
  • Non-illuminated actuator for simple use.

BA1-B0-12-615-121-D Applications

  • Used for branch circuit overcurrent protection.
  • Suitable for industrial control panel applications.
  • Ideal for commercial lighting and power distribution.
  • Integrates into equipment requiring UL recognized breakers.

BA1-B0-12-615-121-D FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-12-615-121-D?

The BA1-B0-12-615-121-D has a current rating of 15A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the BA1-B0-12-615-121-D?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for this part?

The mounting type is panel mount.

What approvals does the BA1-B0-12-615-121-D hold?

It is approved by CCC, CSA, UL, and VDE.

BA1-B0-12-615-121-D Alternate Parts

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BA1-B0-12-615-B22-D
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The Littelfuse Inc. BA1-B0-12-615-B22-D is a 1-pole magnetic hydraulic delay circuit breaker. It features a 15A current rating and a 277V voltage rating.
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AA1-B0-12-615-E92-D
AA1-B0-12-615-E92-D
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The Littelfuse Inc. AA1-B0-12-615-E92-D is a circuit breaker designed for panel mounting. It features a 15A current rating and a 277V voltage rating.
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BA1-B0-14-615-222-D
BA1-B0-14-615-222-D
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The Littelfuse Inc. BA1-B0-14-615-222-D is a circuit breaker designed for panel mounting. It features a 15A current rating and a 277V voltage rating.
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BA1-B0-14-615-122-D
BA1-B0-14-615-122-D
Littelfuse Inc.
Single-pole magnetic hydraulic-delay circuit breaker rated 15A at 277V. Panel mount with lever actuator.
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