AA1-B0-34-620-9D1-C AA1-B0-34-620-9D1-C is a 20A, 1-pole, 277V panel mount magnetic (hydraulic delay) circuit breaker with a lever actuator.
Mfr Part #:

AA1-B0-34-620-9D1-C

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-34-620-9D1-C is a 20A, 1-pole, 277V panel mount magnetic (hydraulic delay) circuit breaker with a lever actuator.
Total Stock: 4 pcs
$ Price Range: $29.42

AA1-B0-34-620-9D1-C Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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4 pcs
4 pcs On Request 1 On Request On Request On Request On Request On Request

AA1-B0-34-620-9D1-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating (Amps)
Illumination
Medical Grade
Military Grade
Mounting Type
Number of Poles
Voltage Rating

AA1-B0-34-620-9D1-C Description

Short technical summary and product information.

The AA1-B0-34-620-9D1-C is a single-pole magnetic circuit breaker from Carling Technologies / Littelfuse, designed for panel mount installation. It features a hydraulic delay mechanism that provides precise overcurrent protection with time-delay characteristics, making it suitable for applications where momentary inrush currents are present.

 

Rated at 20 amps and 277 volts, this breaker uses a lever actuator for manual reset and switching. The magnetic (hydraulic delay) design offers reliable performance across a wide range of ambient temperatures without nuisance tripping.

 

This circuit breaker is approved by CCC, CSA, and UL, ensuring compliance with international safety standards. The panel mount package allows for straightforward integration into control panels, power distribution units, and industrial equipment.

AA1-B0-34-620-9D1-C Quick Information

Product Type: Circuit Breaker
Series: A-Series
Canonical Name: AA1-B0-34-620-9D1-C Panel Mount Magnetic Circuit Breaker
Subcategory: Hydraulic-Magnetic Circuit Breaker

AA1-B0-34-620-9D1-C Compliance

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

AA1-B0-34-620-9D1-C Estimated Pricing

Qty Low High
10+ $29.42 $29.42

Estimated market price range - modelled values for guidance only, not live distributor offers.

AA1-B0-34-620-9D1-C Features

  • 20A rated current for overcurrent protection.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Rated for 277V AC operation.
  • CCC, CSA, UL safety approved.

AA1-B0-34-620-9D1-C Applications

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

AA1-B0-34-620-9D1-C FAQs

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

20 A

What is the voltage rating?

277 V

How many poles does this breaker have?

1 pole

What type of actuator does it use?

Lever actuator

What is the mounting type?

Panel mount

What approvals does this circuit breaker have?

CCC, CSA, UL

Is this breaker magnetic or thermal?

Magnetic (hydraulic delay)

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