BB2-B0-21-620-121-D The Littelfuse Inc. BB2-B0-21-620-121-D is a 2-pole circuit breaker with a 20A current rating and 250V voltage rating. It features a magnetic hydraulic delay mechanism and a lever actuator.
Mfr Part #:

BB2-B0-21-620-121-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BB2-B0-21-620-121-D is a 2-pole circuit breaker with a 20A current rating and 250V voltage rating. It features a magnetic hydraulic delay mechanism and a lever actuator.
Stock on Request

BB2-B0-21-620-121-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
Voltage Rating

BB2-B0-21-620-121-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number BB2-B0-21-620-121-D, is designed for circuit protection applications. It operates with a current rating of 20A and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, offering reliable protection. It features a 2-pole configuration and a lever actuator for easy operation. The mounting type is panel mount, suitable for integration into various systems.

 

Additional specifications include no illumination and approval by agencies such as CCC, CSA, UL, and VDE. The RoHS status is compliant with RoHS3, and it has an MSL of 1 Unlimited, with REACH status unaffected.

BB2-B0-21-620-121-D Quick Information

Product Type: Circuit Breaker
Series: BB2
Canonical Name: Littelfuse Inc. BB2-B0-21-620-121-D Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

BB2-B0-21-620-121-D Compliance

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

BB2-B0-21-620-121-D Features

  • 20A current rating for protection.
  • 250V voltage rating for power systems.
  • Magnetic hydraulic delay breaker type.
  • Panel mount for easy integration.
  • RoHS3 compliant for environmental standards.

BB2-B0-21-620-121-D Applications

  • Suitable for general circuit protection.
  • Used in systems requiring specific delay.
  • Ideal for panel-mounted applications.
  • Compliant with international safety standards.

BB2-B0-21-620-121-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BB2-B0-21-620-121-D circuit breaker?

The current rating is 20A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 250V.

What type of breaker is the BB2-B0-21-620-121-D?

It is a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

It has 2 poles.

What is the mounting type for the BB2-B0-21-620-121-D?

The mounting type is Panel Mount.

Is the BB2-B0-21-620-121-D 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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