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AA1-B0-46-620-3D1-C 1-pole 20A 277V magnetic hydraulic delay circuit breaker from Littelfuse Inc. Panel mount with lever actuator.
Mfr Part #:

AA1-B0-46-620-3D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
1-pole 20A 277V magnetic hydraulic delay circuit breaker from Littelfuse Inc. Panel mount with lever actuator.
Stock on Request

AA1-B0-46-620-3D1-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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AA1-B0-46-620-3D1-C Description

Short technical summary and product information.

The AA1-B0-46-620-3D1-C is a 1-pole magnetic hydraulic delay circuit breaker manufactured by Littelfuse Inc. It is rated for 20A continuous current and 277V AC/DC voltage, providing reliable overcurrent protection in a compact panel-mount design.

 

The breaker utilizes a hydraulic-magnetic trip mechanism that offers precise current sensing and temperature-stable performance. It features a lever actuator and is approved by CCC, CSA, and UL, ensuring compliance with international safety standards.

 

Designed for panel mount installation, this circuit breaker is suitable for a variety of industrial and commercial applications requiring high-accuracy circuit protection. Its non-illuminated design simplifies integration into control panels and distribution systems.

AA1-B0-46-620-3D1-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: 1-Pole 20A 277V Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AA1-B0-46-620-3D1-C Compliance

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

AA1-B0-46-620-3D1-C Features

  • Rated for 20A continuous current at 277V.
  • Single-pole magnetic hydraulic delay mechanism.
  • Panel mount with lever actuator.
  • Approved by UL, CSA, and CCC.
  • Non-illuminated design for simple integration.

AA1-B0-46-620-3D1-C Applications

  • Overcurrent protection for branch circuits
  • Suitable for commercial lighting systems
  • Protection of HVAC control panels
  • Industrial power distribution panels
  • Used in motor starter applications

AA1-B0-46-620-3D1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the Littelfuse AA1-B0-46-620-3D1-C?

277V.

What is the current rating?

20A.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is this?

Magnetic hydraulic delay.

What is the mounting type?

Panel mount.

What actuator type does it have?

Lever.

What approvals does it have?

CCC, CSA, UL.

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AA1-B0-34-620-1G2-C
AA1-B0-34-620-1G2-C
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AA1-B0-34-620-1G2-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated 20A at 277V, with lever actuator and panel mount.
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BA1-B0-22-620-211-C
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Circuit breaker rated at 20A and 277V. It is a 1-pole magnetic hydraulic delay type with panel mount and lever actuator.
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