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OptiFuse 143070 Automotive Circuit Breaker
The automotive circuit breaker from the Type III series is designed for 58V DC applications, featuring an automatic reset mechanism. It offers high current capacity options up to 70A and is built with durable thermoset plastic UL rated 94-VO frame material, ensuring waterproof and ignition-protected operation. Suitable for automotive electrical systems, it mounts easily with specified torque parameters, and meets SAE J162S and J1171 standards. Its compact mechanical dimensions make it ideal for space-constrained environments, providing reliable overcurrent protection with a 3000A interrupting rating at 30VDC, ensuring safety and performance.
OptiFuse 143070 Automotive Circuit Breaker Specifications:
- Voltage: 42 VDC Maximum 143xxx
- Amperage options: 25A to 200A, including 70A
- Interrupting Rating: 3000A @ 30VDC
- IP Rating: IP67
- Frame Material: Thermoset Plastic, UL rated 94-VO
- Mounting Torque: 40 in-Ib Max.
- Stud Torque: 50 in-Ib Max.
- Dimensions: 2.91 inches (74 mm) length, 1.21 inches (30.75 mm) width, 0.55–0.81 inches (14–20.8 mm) height
- Standards: SAE J162S, SAE J1171 (Ignition Protected)
- Time Characteristics at 135%: 30 minutes min hold, 45 seconds max hold
- Mechanical mounting includes 4/4 inch - 28 UNC thread
- Intended for occasional overcurrent protection and automotive electrical applications
Buy the Buy Optifuse Automotive Circuit Breaker Part Number 143070 Online
Secure the reliable protection of your automotive electrical system with the Optifuse 143070 circuit breaker. This waterproof, auto-reset Type III breaker offers a high current capacity of 70A, ensuring safe operation under demanding conditions. Designed for panel mounting, it features durable thermoset plastic construction and meets critical automotive standards including SAE J162S and J1171. Its compact size and easy installation make it ideal for automotive and off-road applications, providing long-lasting, dependable overcurrent protection for vehicles requiring robust electrical safety.
Get Optifuse 143070 today—built for high current automotive systems with waterproof and ignition-protected design.
Frequently Asked Questions
Where can I buy OptiFuse 143070?
You can click on the BUY or RFQ button to purchase 143070 from an authorized OptiFuse distributor.
How do I troubleshoot issues or seek technical support for part 143070?
You can download the 143070 datasheet or visit the OptiFuse website for support.
Who is the manufacturer of 143070?
OptiFuse