AA1-B0-12-620-1B1-MT The Littelfuse AA1-B0-12-620-1B1-MT is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 20A and 277V. It features a lever actuator and panel mount.
This circuit breaker is RoHS3 compliant.
Mfr Part #:

AA1-B0-12-620-1B1-MT

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse AA1-B0-12-620-1B1-MT is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 20A and 277V. It features a lever actuator and panel mount. This circuit breaker is RoHS3 compliant.
Stock on Request

AA1-B0-12-620-1B1-MT 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-B0-12-620-1B1-MT Description

Short technical summary and product information.

This Littelfuse AA1-B0-12-620-1B1-MT is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for protection and is rated for a current of 20A and a voltage of 277V.

 

The breaker features a lever actuator for operation and is approved by agencies including CCC and UL489A. It has no illumination.

 

Environmental compliance includes RoHS3 compliance and an MSL of 1. The REACH status is unaffected.

 

Key specifications include a 20A current rating, 277V voltage rating, and a magnetic hydraulic delay breaker type. The mounting type is panel mount.

AA1-B0-12-620-1B1-MT Quick Information

Product Type: Circuit Breaker
Series: AA1-B0
Canonical Name: Littelfuse Inc. AA1-B0-12-620-1B1-MT Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-12-620-1B1-MT Compliance

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

AA1-B0-12-620-1B1-MT Features

  • 20A current rating for power distribution.
  • 277V voltage rating for AC applications.
  • Magnetic hydraulic delay breaker type.
  • Panel mount for easy integration.
  • RoHS3 compliant for environmental standards.

AA1-B0-12-620-1B1-MT Applications

  • Branch circuit protection in lighting panels
  • Overcurrent protection for HVAC equipment
  • Motor control circuit protection
  • Power distribution in industrial control panels

AA1-B0-12-620-1B1-MT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-620-1B1-MT circuit breaker?

The current rating is 20A.

What is the voltage rating of the AA1-B0-12-620-1B1-MT circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-12-620-1B1-MT?

It is a Magnetic (Hydraulic Delay) breaker type.

How many poles does the AA1-B0-12-620-1B1-MT circuit breaker have?

It has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is the AA1-B0-12-620-1B1-MT RoHS compliant?

Yes, it is RoHS3 Compliant.

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

The MSL is 1 Unlimited.

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