AA1-B0-20-475-1B1-C The Littelfuse Inc. AA1-B0-20-475-1B1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 7.5A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-20-475-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-20-475-1B1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 7.5A current rating and a 277V voltage rating.
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AA1-B0-20-475-1B1-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

AA1-B0-20-475-1B1-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-20-475-1B1-C, is designed for circuit protection applications. It operates with a current rating of 7.5A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, and it has a single pole configuration. The actuator type is a lever, and it does not feature illumination. Mounting is achieved via a panel mount.

 

Compliance includes RoHS3, MSL 1, and REACH unaffected status, though these are noted with low confidence due to lack of verification. The part is also recognized by approval agencies CCC, CSA, and UL.

AA1-B0-20-475-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-20-475-1B1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-20-475-1B1-C Compliance

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

AA1-B0-20-475-1B1-C Features

  • 7.5A current rating for protection.
  • 277V voltage rating for circuits.
  • Magnetic hydraulic delay type.
  • Single pole, lever actuator.
  • Panel mountable design.

AA1-B0-20-475-1B1-C Applications

  • Used in industrial control panel protection.
  • Suitable for commercial power distribution.
  • Ideal for equipment branch circuit protection.
  • Applied in HVAC and lighting control systems.

AA1-B0-20-475-1B1-C FAQs

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

The current rating is 7.5A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is this?

This is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the actuator type?

The actuator type is a lever.

What is the mounting type for this part?

The mounting type is panel mount.

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