Product Description
Optifuse 643 Series Automotive Circuit Breaker; Manual Reset (Push-to-Trip); 20 Amp; 32 VDC; IP66
Automotive Circuit Breaker • Current: 20 Amp • Voltage Rating: 32 VDC • Reset Type : Type III - Manual Reset (Push-to-Trip) • Mounting Type: Panel Mount; #8-32 threaded inserts • Rating: IP66 • Terminals Configuration: #10-32 Stud
Product Information
| Manufacturer | Optifuse |
| Product Category | Circuit Breaker |
| Product Sub Category | Automotive Circuit Breaker |
| Series | 643 Series |
| Catalog Part Number | 643020 |
Specifications
| Product Attribute | Attribute Value |
|---|---|
| Current | 20 Amp |
| Voltage Rating | 32 VDC |
| Reset Type | Type III - Manual Reset (Push-to-Trip) |
| Interrupting Rating | 2500A @ 32VDC (ABYC E-11) |
| Operation Temperature | -40° F ~ 185° F |
| Compliances | SAE J553, ABYC E-11 |
| Body Material | Thermoset Plastic (UL94V-0) |
| Terminals Configuration | #10-32 Stud |
| Mounting Type | Panel Mount; #8-32 threaded inserts |
| Rating | IP66 |
Series Features
643 Series
Series DescriptionMid Range - Manual Reset - Push-to-Trip
- Mid-range amperage (up to 60A) to protect accessory applications in RVs, marine craft, emergency vehicles and trucks. Interrupt Rating meets ABYC requirements for DC branch circuit protection on large battery banks.
- Waterproof and ignition rated for use in marine engine compartments, meeting thorough SAE J1171 and ABYC standards.
- Conforms to SAE J553 standard for circuit breaker performance.