BA1-B0-11-615-121-D Littelfuse BA1-B0-11-615-121-D is a 15A, 277V, 1-pole magnetic hydraulic circuit breaker with lever actuation. It is UL, CSA, VDE, and CCC approved.
Mfr Part #:

BA1-B0-11-615-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse BA1-B0-11-615-121-D is a 15A, 277V, 1-pole magnetic hydraulic circuit breaker with lever actuation. It is UL, CSA, VDE, and CCC approved.
Stock on Request

BA1-B0-11-615-121-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-B0-11-615-121-D Description

Short technical summary and product information.

The Littelfuse BA1-B0-11-615-121-D is a magnetic hydraulic circuit breaker from the BA1 series. It is rated for 15A continuous current at 277V AC and features a single pole design. The breaker uses a magnetic hydraulic delay trip mechanism for reliable overcurrent protection.

 

The lever actuator provides manual reset and control. This circuit breaker is approved by multiple agencies including CCC, CSA, UL, and VDE, ensuring compliance with international standards. The BA1 series is designed for industrial and commercial applications where precise and durable circuit protection is required.

 

With its compact construction and robust performance, the BA1-B0-11-615-121-D is suitable for use in branch circuits, power distribution, and equipment protection. The magnetic hydraulic delay characteristic allows for nuisance-free operation with inrush currents.

BA1-B0-11-615-121-D Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse BA1 Series Magnetic Hydraulic Circuit Breaker, 15A, 277V, 1-Pole, Lever Actuator
Subcategory: Magnetic Hydraulic Circuit Breaker

BA1-B0-11-615-121-D Compliance

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

BA1-B0-11-615-121-D Features

  • Rated for 15A at 277V AC operation.
  • Magnetic hydraulic delay trip mechanism.
  • Single pole design for line protection.
  • Lever actuator for manual reset.
  • Approved by UL, CSA, VDE, CCC.

BA1-B0-11-615-121-D Applications

  • Branch circuit protection in industrial panels.
  • Overcurrent protection for power supplies.
  • Used in HVAC and refrigeration equipment.
  • Suitable for motor control circuits.
  • Ideal for lighting control systems.

BA1-B0-11-615-121-D FAQs

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

15A.

What is the voltage rating of this circuit breaker?

277V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay) type.

How many poles does this circuit breaker have?

1 pole.

What actuation method does this circuit breaker use?

Lever actuator.

Does this circuit breaker have illumination?

No, it does not have illumination.

What approvals does this circuit breaker have?

CCC, CSA, UL, VDE.

BA1-B0-11-615-121-D Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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BA1-B0-12-615-B22-D
BA1-B0-12-615-B22-D
Littelfuse Inc.
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
Littelfuse Inc.
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
Littelfuse Inc.
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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