AJ1-B0-34-620-121-D Littelfuse AJ1-B0-34-620-121-D is a 1-pole magnetic hydraulic circuit breaker rated for 20A at 250V. It features a rocker actuator and panel mount design.
Mfr Part #:

AJ1-B0-34-620-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AJ1-B0-34-620-121-D is a 1-pole magnetic hydraulic circuit breaker rated for 20A at 250V. It features a rocker actuator and panel mount design.
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AJ1-B0-34-620-121-D 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
SVHC Present
Voltage Rating

AJ1-B0-34-620-121-D Description

Short technical summary and product information.

The Littelfuse AJ1-B0-34-620-121-D is a single-pole magnetic hydraulic circuit breaker designed for overcurrent protection in electrical circuits. It is rated for 20 amps at 250 volts and uses a hydraulic-magnetic trip mechanism for reliable performance across a wide temperature range.

 

The breaker features a rocker actuator for manual reset and is designed for panel mounting. It carries approvals from CCC, CSA, UL, and VDE, making it suitable for global applications. The unit is non-illuminated and RoHS3 compliant.

AJ1-B0-34-620-121-D Quick Information

Product Type: Circuit Breaker
Series: AJ1
Canonical Name: Littelfuse AJ1-B0-34-620-121-D Magnetic Hydraulic Circuit Breaker
Subcategory: Magnetic Hydraulic

AJ1-B0-34-620-121-D Compliance

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

AJ1-B0-34-620-121-D Features

  • Rated for 20A at 250V.
  • Single-pole magnetic hydraulic trip.
  • Rocker actuator for manual control.
  • Panel mount installation.
  • Approved by CCC, CSA, UL, VDE.

AJ1-B0-34-620-121-D Applications

  • Overcurrent protection in industrial control panels.
  • Power distribution in commercial equipment.
  • Protection for motor control circuits.
  • Used in HVAC and refrigeration systems.

AJ1-B0-34-620-121-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AJ1-B0-34-620-121-D?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is the AJ1-B0-34-620-121-D?

It is a magnetic hydraulic (hydraulic delay) circuit breaker.

How many poles does this breaker have?

It has 1 pole.

What actuator type does this breaker use?

It uses a rocker actuator.

What mounting type does this circuit breaker have?

It is designed for panel mount.

What approvals does the AJ1-B0-34-620-121-D hold?

It is approved by CCC, CSA, UL, and VDE.

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The AC1-B0-34-620-2H2-D is a 20A, 250V single-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a rocker actuator and panel mount design.
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