# CMB-033-27JNN-W-A/03 - Littelfuse Inc. Thermal Circuit Breaker

## Product Summary

The CMB-033-27JNN-W-A/03 is a 1-pole thermal circuit breaker from Littelfuse Inc. rated for 3A at 250V with a push-to-reset actuator and panel mount.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | CMB-033-27JNN-W-A/03 |
| Manufacturer | Littelfuse Inc. |
| Product Type | Thermal Circuit Breaker |
| Series | CMB-033 |
| Category | Circuit Protection |
| Subcategory | Thermal Circuit Breaker |
| Mounting Type | Panel Mount |

## Description

The CMB-033-27JNN-W-A/03 is a single-pole thermal circuit breaker manufactured by Littelfuse Inc. It is rated for 3A of continuous current at 250V AC/DC, providing reliable overcurrent protection for a variety of applications. The thermal breaker mechanism ensures a time-delayed trip response to sustained overloads, resetting automatically after cooling or manually via the push-to-reset actuator.

This circuit breaker features a panel mount design for secure installation in control panels, power distribution units, and equipment enclosures. The push-to-reset actuator allows for easy manual reset after a trip event. The part is non-illuminated and carries approvals from CE, cUL, TUV, UL1077, and UL1500, indicating compliance with international safety standards for supplementary protectors and marine applications.

## Key Specifications

| Specification | Value |
| --- | --- |
| Actuator Type | Push to Reset |
| Approval Agency | CE, cUL, TUV, UL1077, UL1500 |
| Breaker Type | Thermal |
| Current Rating | 3 A |
| Current Rating (Amps) | 3 A |
| Illumination | None |
| Mounting Type | Panel Mount |
| Number of Poles | 1 |
| Voltage Rating | 250 V |

## Availability and Pricing

| Field | Value |
| --- | --- |
| Stock Status | Stock on Request |
| Distributor Count | 0 |
| Total Stock | 0 |
| Pricing Available | No |

## Features

- Rated for 3A at 250V operation.
- Single-pole thermal circuit breaker.
- Push-to-reset actuator for manual reset.
- Panel mount design for secure installation.
- Approved to CE, cUL, TUV, UL1077, UL1500.

## Applications

- Overcurrent protection for power distribution.
- Use in control panels and equipment enclosures.
- Suitable for marine and industrial applications.
- Protection for lighting and small motor circuits.

## Compliance

| Field | Value |
| --- | --- |
| RoHS Status | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Moisture Sensitivity Level | 1 Unlimited |

## Documents and Media

- Product Page: https://distyparts.com/product/cmb-033-27jnn-w-a-03
- RFQ URL: https://distyparts.com/product/cmb-033-27jnn-w-a-03#rfq

## FAQs

### What is the current rating of the CMB-033-27JNN-W-A/03?

The current rating is 3A.

### What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

### What type of circuit breaker is the CMB-033-27JNN-W-A/03?

It is a thermal circuit breaker.

### How many poles does this circuit breaker have?

It has 1 pole.

### What type of actuator does this breaker use?

It uses a push-to-reset actuator.

### What is the mounting type for this circuit breaker?

It is a panel mount device.

### What agency approvals does the CMB-033-27JNN-W-A/03 carry?

It is approved to CE, cUL, TUV, UL1077, and UL1500.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/littelfuse-inc
- Category: https://distyparts.com/category/circuit-protection/circuit-breakers
- Product Page: https://distyparts.com/product/cmb-033-27jnn-w-a-03
- Markdown File: https://distyparts.com/product/cmb-033-27jnn-w-a-03.md
- TXT File: https://distyparts.com/product/cmb-033-27jnn-w-a-03.txt