BA1-B0-21-490-122-D The Littelfuse Inc. BA1-B0-21-490-122-D is a magnetic (hydraulic delay) circuit breaker. It features a 9A current rating and a 250V voltage rating.
Mfr Part #:

BA1-B0-21-490-122-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-21-490-122-D is a magnetic (hydraulic delay) circuit breaker. It features a 9A current rating and a 250V voltage rating.
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BA1-B0-21-490-122-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
SVHC Present
Voltage Rating

BA1-B0-21-490-122-D Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B0-21-490-122-D is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic (hydraulic delay) mechanism, providing a current rating of 9A and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. The actuator type is a lever, and it features no illumination.

 

Key electrical specifications include a 9A current rating and a 250V voltage rating. The mounting type is panel mount, making it suitable for integration into various enclosures and control panels. Approval agencies include CCC, CSA, UL, and VDE, indicating compliance with multiple international standards.

BA1-B0-21-490-122-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B0-21-490-122-D Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

BA1-B0-21-490-122-D Compliance

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

BA1-B0-21-490-122-D Features

  • Magnetic hydraulic delay trip mechanism.
  • Rated for 9A at 250V operation.
  • Single-pole panel mount design.
  • Lever actuator for manual reset.
  • RoHS3 compliant construction.

BA1-B0-21-490-122-D Applications

  • Overcurrent protection in industrial control panels.
  • Suitable for HVAC equipment and machinery.
  • Used in power distribution and branch circuits.
  • Ideal for motor control and protection circuits.

BA1-B0-21-490-122-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the Littelfuse BA1-B0-21-490-122-D?

9A.

What is the voltage rating?

250V.

What type of circuit breaker is it?

Magnetic (hydraulic delay).

How many poles does it have?

Single pole (1).

What is the mounting type?

Panel mount.

What actuator type does it use?

Lever.

Is it illuminated?

No, it has no illumination.

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