B51-B0-26-512-21C-K3 The Littelfuse Inc. B51-B0-26-512-21C-K3 is a magnetic (hydraulic delay) circuit breaker. It features a 1.25A current rating and a 120V voltage rating.
Mfr Part #:

B51-B0-26-512-21C-K3

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. B51-B0-26-512-21C-K3 is a magnetic (hydraulic delay) circuit breaker. It features a 1.25A current rating and a 120V voltage rating.
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$ Price Range: $0.99

B51-B0-26-512-21C-K3 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

B51-B0-26-512-21C-K3 Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number B51-B0-26-512-21C-K3, is designed for circuit protection applications. It operates with a current rating of 1.25A and a voltage rating of 120V.

 

The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. It features a panel mount design for easy integration into control panels and equipment.

 

Additional specifications include a single pole configuration and a push-to-reset actuator. The unit is approved by CCC, TUV, and UL489 standards, indicating compliance with safety and performance requirements. Illumination is not provided.

 

Environmental compliance includes RoHS3 status, MSL 1, and REACH unaffected. This circuit breaker is intended for general-purpose circuit protection where reliable tripping and manual reset are necessary.

B51-B0-26-512-21C-K3 Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. B51-B0-26-512-21C-K3 Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

B51-B0-26-512-21C-K3 Compliance

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

B51-B0-26-512-21C-K3 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

B51-B0-26-512-21C-K3 Features

  • 1.25A current rating for protection.
  • 120V voltage rating for circuits.
  • Magnetic breaker with hydraulic delay.
  • Panel mount for easy installation.
  • Push-to-reset actuator included.

B51-B0-26-512-21C-K3 Applications

  • Ideal for general circuit protection.
  • Suitable for control panel integration.
  • Used in equipment requiring manual reset.
  • Compliant with CCC, TUV, UL489.

B51-B0-26-512-21C-K3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the B51-B0-26-512-21C-K3 circuit breaker?

The current rating is 1.25A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 120V.

What type of breaker is the B51-B0-26-512-21C-K3?

It is a magnetic breaker with a hydraulic delay.

How is the B51-B0-26-512-21C-K3 mounted?

It is designed for panel mounting.

What is the RoHS status of this component?

It is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

B51-B0-26-512-21C-K3 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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B51-B0-26-512-11C-K3
B51-B0-26-512-11C-K3
Littelfuse Inc.
The B51-B0-26-512-11C-K3 is a circuit breaker with a 1.25A current rating and 120V voltage rating, designed for circuit protection applications.
View Part
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