BB2-B4-44-620-22A-C3 The Littelfuse Inc. BB2-B4-44-620-22A-C3 is a 2-pole magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 240V voltage rating.
Mfr Part #:

BB2-B4-44-620-22A-C3

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BB2-B4-44-620-22A-C3 is a 2-pole magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 240V voltage rating.
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BB2-B4-44-620-22A-C3 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

BB2-B4-44-620-22A-C3 Description

Short technical summary and product information.

This Littelfuse Inc. BB2-B4-44-620-22A-C3 is a 2-pole circuit breaker designed for panel mounting. It operates with a 20A current rating and a 240V voltage rating.

 

The breaker type is magnetic with a hydraulic delay, offering reliable protection. The actuator type is a lever, and it does not feature illumination.

 

Key approvals include CCC, TUV, and UL489, indicating compliance with significant safety standards. The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited.

BB2-B4-44-620-22A-C3 Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BB2-B4-44-620-22A-C3 Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

BB2-B4-44-620-22A-C3 Compliance

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

BB2-B4-44-620-22A-C3 Features

  • 20A current rating for protection.
  • 240V voltage rating.
  • Magnetic breaker type with hydraulic delay.
  • Panel mount design.
  • Approved by CCC, TUV, UL489.

BB2-B4-44-620-22A-C3 Applications

  • Used in industrial control panels.
  • Suitable for motor protection circuits.
  • Ideal for power distribution equipment.
  • Applied in HVAC and refrigeration systems.

BB2-B4-44-620-22A-C3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the BB2-B4-44-620-22A-C3 circuit breaker?

The current rating is 20A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 240V.

How many poles does the BB2-B4-44-620-22A-C3 have?

It has 2 poles.

What type of mounting is used for this circuit breaker?

It is a panel mount type.

Is the BB2-B4-44-620-22A-C3 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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