CLB-303-12C1N-W-J The CLB-303-12C1N-W-J is a 30A, 250V, 1-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

CLB-303-12C1N-W-J

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The CLB-303-12C1N-W-J is a 30A, 250V, 1-pole thermal circuit breaker from Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
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CLB-303-12C1N-W-J 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

CLB-303-12C1N-W-J Description

Short technical summary and product information.

The CLB-303-12C1N-W-J is a single-pole thermal circuit breaker from Littelfuse Inc., rated for 30A at 250V. It uses a push-to-reset actuator and is designed for panel mount installation. This breaker is non-illuminated and provides reliable overcurrent protection in a compact form factor.

 

The thermal breaker type ensures automatic tripping under sustained overcurrent conditions, with manual reset via the push button. The 1-pole configuration makes it suitable for single-phase or DC circuit protection applications. It carries approvals from CE, cUL, TUV, UL1077, and UL1500, indicating compliance with international safety standards.

CLB-303-12C1N-W-J Quick Information

Product Type: Thermal Circuit Breaker
Series: CLB-303
Canonical Name: CLB-303-12C1N-W-J Thermal Circuit Breaker, 30A, 250V, 1-Pole, Push to Reset
Subcategory: Circuit Breakers

CLB-303-12C1N-W-J Compliance

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

CLB-303-12C1N-W-J Features

  • Rated for 30A at 250V operation.
  • Single-pole thermal circuit breaker design.
  • Push-to-reset actuator for manual reset.
  • Panel mount for easy installation.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CLB-303-12C1N-W-J Applications

  • Overcurrent protection for power supplies.
  • Used in industrial control panels.
  • Protects wiring in automotive applications.
  • Suitable for appliance circuit protection.
  • Provides thermal overload protection.

CLB-303-12C1N-W-J FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the CLB-303-12C1N-W-J?

The current rating is 30A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is the CLB-303-12C1N-W-J?

It is a thermal circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What is the actuator type for this breaker?

The actuator type is push to reset.

What mounting type does the CLB-303-12C1N-W-J use?

It uses panel mount.

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