# 353300 - OptiFuse Circuit Breaker

## Product Summary

The OptiFuse 353300 is a heavy duty, high amp, manual reset circuit breaker rated for 300A and 48VDC. It offers IP67 ingress protection and ignition protection.

## Product Information

| Field | Value |
| --- | --- |
| Part Number | 353300 |
| Manufacturer | OptiFuse |
| Product Type | Circuit Breaker |
| Category | Circuit Protection |
| Subcategory | High Amp |
| Mounting Type | Surface Mount |

## Description

The OptiFuse 353300 is a Type III manual reset circuit breaker designed for heavy duty, high amp applications. It features a robust thermoset plastic body with nickel-plated terminals and a surface mount design.

This circuit breaker is rated for a maximum voltage of 48VDC and a current rating of 300A. It boasts an interrupting rating of 1500A at 30VDC, ensuring reliable protection. The operating temperature range is -32°C to 82°C (-25°F to 180°F).

Designed for demanding environments, the 353300 is ignition protected according to SAE J1171 and has an IP67 ingress protection rating, making it waterproof. It meets testing standards such as SAE J553 and ABYC-E11. The mounting torque is approximately 24 N-m, with a stud torque of 30.5 N.m maximum.

Key features include its manual reset capability and a 1-pole configuration. It is approved by agencies including SAEJ1171, SAEJ1625, and UL. This circuit breaker is suitable for applications requiring high current protection in harsh conditions.

## Key Specifications

| Specification | Value |
| --- | --- |
| Actuator Type | Push to Reset |
| Approval Agency | SAEJ1171, SAEJ1625, UL |
| Body Material | Thermoset Plastic |
| Current Rating (Amps) | 300 A |
| Illumination | None |
| Ingress Protection | IP67 |
| Mounting Type | Surface Mount |
| Number of Poles | 1 |
| Voltage Rating | 48 VDC |

## Availability and Pricing

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

## Features

- Heavy duty high amp waterproof circuit breaker.
- Rated for 300A current and 48VDC voltage.
- Manual reset Type III operation.
- IP67 ingress protection and ignition protected.
- Surface mount with thermoset plastic body.

## Applications

- Ideal for high current DC circuits.
- Suitable for marine applications.
- Used in heavy duty vehicle systems.
- Protects sensitive electrical equipment.
- Designed for harsh environmental conditions.

## Compliance

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

## Documents and Media

- Datasheet: https://static.distyparts.com/disty-files/datasheets/23/14/10/2314101-2298-353090-ND.pdf
- Image: https://static.distyparts.com/disty-files/images/23/14/10/2314101-2298-353090-ND.jpg
- Product Page: https://distyparts.com/product/353300
- RFQ URL: https://distyparts.com/product/353300#rfq

## FAQs

### What is the current rating of the OptiFuse 353300 circuit breaker?

The OptiFuse 353300 circuit breaker has a current rating of 300A.

### What is the voltage rating for the 353300 circuit breaker?

The voltage rating for the OptiFuse 353300 circuit breaker is 48VDC.

### What type of reset does the OptiFuse 353300 circuit breaker have?

The OptiFuse 353300 circuit breaker features a manual reset.

### What is the operating temperature range for this circuit breaker?

The operating temperature range for the OptiFuse 353300 is -32°C to 82°C.

### Is the OptiFuse 353300 circuit breaker waterproof?

Yes, the OptiFuse 353300 circuit breaker has an IP67 ingress protection rating, indicating it is waterproof.

### What are the approval agencies for the 353300 circuit breaker?

The OptiFuse 353300 circuit breaker is approved by SAEJ1171, SAEJ1625, and UL.

## Related Pages

- Manufacturer: https://distyparts.com/manufacturer/optifuse
- Category: https://distyparts.com/category/circuit-protection/circuit-breakers
- Product Page: https://distyparts.com/product/353300
- Markdown File: https://distyparts.com/product/353300.md
- TXT File: https://distyparts.com/product/353300.txt