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BB2-B0-24-620-521-C Littelfuse BB2-B0-24-620-521-C is a 20A, 277V 2-pole magnetic hydraulic delay circuit breaker. It is panel mount with lever actuator and CCC/CSA/UL approvals.
Mfr Part #:

BB2-B0-24-620-521-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse BB2-B0-24-620-521-C is a 20A, 277V 2-pole magnetic hydraulic delay circuit breaker. It is panel mount with lever actuator and CCC/CSA/UL approvals.
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BB2-B0-24-620-521-C Specifications Quick View

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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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BB2-B0-24-620-521-C Description

Short technical summary and product information.

The Littelfuse BB2-B0-24-620-521-C is a 2-pole magnetic hydraulic delay circuit breaker rated for 20A continuous current at 277V. It features a lever actuator and is designed for panel mount installation, providing manual reset capability. The hydraulic delay mechanism offers precise overcurrent protection with reduced nuisance tripping. This circuit breaker holds approvals from CCC, CSA, and UL, ensuring compliance with international safety standards. It is suitable for a variety of power distribution and protection applications within industrial and commercial equipment.

BB2-B0-24-620-521-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse BB2-B0-24-620-521-C 20A 277V 2-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

BB2-B0-24-620-521-C Compliance

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

BB2-B0-24-620-521-C Features

  • Rated for 20A continuous current operation.
  • Maximum voltage rating of 277V.
  • 2-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • CCC, CSA, and UL approved.

BB2-B0-24-620-521-C Applications

  • Ideal for industrial control panel protection.
  • Used in power distribution systems.
  • Suitable for HVAC equipment protection.
  • Applicable in lighting circuit protection.

BB2-B0-24-620-521-C FAQs

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

The continuous current rating is 20A.

What is the voltage rating of this circuit breaker?

The maximum voltage rating is 277V.

How many poles does this circuit breaker have?

It is a 2-pole circuit breaker.

What type of circuit breaker is this?

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

How is this circuit breaker mounted?

It is designed for panel mount installation.

What approvals does this circuit breaker have?

It is approved by CCC, CSA, and UL.

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