BA1-B0-14-517-121-D Littelfuse BA1-B0-14-517-121-D is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 1.75A at 277V. It features a lever actuator and panel mount design.
Mfr Part #:

BA1-B0-14-517-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse BA1-B0-14-517-121-D is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 1.75A at 277V. It features a lever actuator and panel mount design.
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BA1-B0-14-517-121-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-B0-14-517-121-D Description

Short technical summary and product information.

The Littelfuse BA1-B0-14-517-121-D is a single-pole magnetic circuit breaker with hydraulic delay mechanism. It is rated for a continuous current of 1.75A at 277V AC/DC. The breaker uses a lever actuator for manual reset and is designed for panel mount installation. It is not illuminated. The breaker is approved by CCC, CSA, UL, and VDE, ensuring compliance with international safety standards. This circuit breaker is suitable for overcurrent protection in various electrical systems where reliable magnetic trip characteristics are required. The hydraulic delay provides time-delayed tripping for inrush currents while offering fast response to sustained overloads. The panel mount design allows for easy integration into control panels and distribution boards.

BA1-B0-14-517-121-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse BA1-B0-14-517-121-D 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker, 1.75A, 277V, Panel Mount
Subcategory: Magnetic Circuit Breaker

BA1-B0-14-517-121-D Compliance

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

BA1-B0-14-517-121-D Features

  • Rated for 1.75A continuous current.
  • Rated for 277V AC/DC operation.
  • Single-pole magnetic hydraulic delay mechanism.
  • Panel mount with lever actuator.
  • Approved by UL, CSA, VDE, CCC.

BA1-B0-14-517-121-D Applications

  • Ideal for overcurrent protection in control panels.
  • Suitable for industrial equipment and machinery.
  • Used in power distribution systems.
  • Applicable in commercial building electrical circuits.

BA1-B0-14-517-121-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the BA1-B0-14-517-121-D?

277V.

What is the current rating?

1.75A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1.

What type of actuator does this breaker use?

Lever.

What is the mounting type?

Panel Mount.

What approvals does this circuit breaker have?

CCC, CSA, UL, VDE.

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