BB2-B2-21-050-1D1-C The Littelfuse Inc. BB2-B2-21-050-1D1-C is a 2-pole magnetic circuit breaker designed for panel mounting. It features a 50mA current rating and a 277V voltage rating.
Mfr Part #:

BB2-B2-21-050-1D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BB2-B2-21-050-1D1-C is a 2-pole magnetic circuit breaker designed for panel mounting. It features a 50mA current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

BB2-B2-21-050-1D1-C 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-B2-21-050-1D1-C Description

Short technical summary and product information.

This Littelfuse Inc. BB2-B2-21-050-1D1-C is a circuit breaker with a magnetic (hydraulic delay) tripping mechanism. It is rated for a maximum current of 50mA and a voltage of 277V.

 

The breaker is designed for panel mounting and features a lever actuator. It has two poles and no illumination. Approval agencies include CCC, CSA, and UL.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. These compliance details are based on available data and may require verification.

BB2-B2-21-050-1D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BB2-B2-21-050-1D1-C Circuit Breaker

BB2-B2-21-050-1D1-C Compliance

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

BB2-B2-21-050-1D1-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

BB2-B2-21-050-1D1-C Features

  • 50mA current rating for precise protection.
  • 277V voltage rating suitable for many applications.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy integration.
  • Lever actuator for simple operation.

BB2-B2-21-050-1D1-C Applications

  • Ideal for low-current protection circuits.
  • Suitable for control panel installations.
  • Used in systems requiring specific delay.
  • Compliant with major safety standards.

BB2-B2-21-050-1D1-C FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the BB2-B2-21-050-1D1-C circuit breaker?

The current rating is 50mA.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

How is the BB2-B2-21-050-1D1-C circuit breaker mounted?

It is designed for panel mounting.

What type of breaker mechanism does the BB2-B2-21-050-1D1-C use?

It uses a Magnetic (Hydraulic Delay) mechanism.

How many poles does this circuit breaker have?

This circuit breaker has 2 poles.

BB2-B2-21-050-1D1-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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BA2-B0-34-050-121-C
BA2-B0-34-050-121-C
Littelfuse Inc.
The Littelfuse Inc. BA2-B0-34-050-121-C is a 2-pole magnetic (hydraulic delay) circuit breaker. It is designed for panel mounting and has a current rating of 50mA.
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