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BA1-B9-20-250-1C1-C The Littelfuse Inc. BA1-B9-20-250-1C1-C is a 1-pole circuit breaker with a magnetic hydraulic delay mechanism. It features a 500mA current rating and a 277V voltage rating.
Mfr Part #:

BA1-B9-20-250-1C1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B9-20-250-1C1-C is a 1-pole circuit breaker with a magnetic hydraulic delay mechanism. It features a 500mA current rating and a 277V voltage rating.
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BA1-B9-20-250-1C1-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
Voltage Rating
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BA1-B9-20-250-1C1-C Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B9-20-250-1C1-C is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay for its tripping mechanism, offering a current rating of 500mA and a voltage rating of 277V.

 

The breaker type is specified as Magnetic (Hydraulic Delay), with an actuator type of Lever and no illumination. It is approved by CCC, CSA, and UL agencies.

 

Environmental compliance includes RoHS3 compliance, an MSL rating of 1, and REACH unaffected status. The mounting type is Panel Mount.

BA1-B9-20-250-1C1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B9-20-250-1C1-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

BA1-B9-20-250-1C1-C Compliance

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

BA1-B9-20-250-1C1-C Features

  • 500mA current rating for protection.
  • 277V voltage rating for power systems.
  • Panel mount design for easy installation.
  • 1-pole configuration for single circuits.
  • Magnetic hydraulic delay breaker type.

BA1-B9-20-250-1C1-C Applications

  • Suitable for general circuit protection.
  • Used in systems requiring 277V.
  • Ideal for panel-mounted applications.
  • Provides 500mA overcurrent protection.

BA1-B9-20-250-1C1-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B9-20-250-1C1-C circuit breaker?

The current rating is 500mA.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 277V.

What type of breaker is the BA1-B9-20-250-1C1-C?

It is a Magnetic (Hydraulic Delay) breaker.

How is the BA1-B9-20-250-1C1-C mounted?

It is designed for Panel Mount.

What is the RoHS status of this component?

It is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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