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OptiFuse 141120 Automotive Circuit Protector

This automotive Type I circuit breaker is engineered for high current protection in vehicle applications. Featuring auto-reset functionality, it is rated for 42V DC with current capacities up to 120A. The device boasts IP67 waterproof rating and is constructed from thermoset plastic rated UL 94-VO, ensuring durability in harsh environments. It adheres to SAE standards, including SAE J162S and J1171, and is designed for panel mounting with a stud size of 4 inches, 28 threads per inch. The breaker’s robust construction makes it suitable for automotive and industrial uses requiring reliable circuit interruption and repeated operation without damage.

Authorized Distributors
Source:DigiKey
Part No:141120
Stock:195
Inv Date:06-05-2026
Price: Unit price: $71.24
Buy/RFQ:
Part No:141120
Stock:0
Inv Date:06-05-2026
Price: Unit price: $71.25
Buy/RFQ:
Part No:141120
Stock:0
Inv Date:06-05-2026
Price: Unit price: $38.54
Buy/RFQ:
Part No:141120
Stock:0
Inv Date:06-05-2026
Price: Unit price: $38.54
Buy/RFQ:

OptiFuse 141120 Automotive Circuit Protector Specifications:

  • Voltage: 42 VDC maximum
  • Amperage: 25A to 150A (depending on model)
  • Interrupt Rating: 3000A at 30VDC
  • IP Rating: IP67
  • Frame Material: Thermoset plastic, UL rated 94-VO
  • Mounting: Panel mounting with 4 inch stud, 28 threads per inch
  • Maximum Mounting Torque: 40 in-Ib
  • Stud Torque: 50 in-Ib
  • Designed to meet SAE J162S and SAE J1171 (Ignition Protected)
  • Application: Automotive high current protection with auto-reset capabilities
  • Dimensions: Mechanical size approximately 2.92 inches in length and 0.92 inches in width
  • Temperature Ratings: Operational in harsh environments, details specified in datasheets
  • Waterproof: Yes, IP67 rated

Buy the OptiFuse 141120 – Reliable Automotive Circuit Breaker for Industrial Applications

Purchase the OptiFuse Automotive Circuit Protector now to ensure reliable, high-capacity circuit protection in automotive and industrial applications. With its auto-reset feature, waterproof IP67 rating, and high current capacity up to 120A at 42V DC, it provides durable and efficient protection. Designed for panel mounting with a robust thermoset plastic housing, it complies with SAE standards, ensuring safety and longevity. Invest in this dependable circuit breaker to safeguard your electrical systems from overcurrent damage and enhance operational reliability. Order online today for fast, secure delivery.

Buy OptiFuse 141120 now and experience unmatched reliability and performance for automotive high current protection. Its waterproof design and auto-reset feature ensure protection in demanding environments. Perfect for industrial and automotive applications, this circuit breaker provides high current capacity up to 120A at 42V DC, meeting SAE standards. Easy to install with panel mounting and durable thermoset plastic housing, it guarantees long-lasting, dependable circuit interruption. Enhance your electrical safety system today by choosing OptiFuse’s robust circuit protection device.

Frequently Asked Questions

Where can I buy OptiFuse 141120?

You can click on the BUY or RFQ button to purchase 141120 from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part 141120?

You can download the 141120 datasheet or visit the OptiFuse website for support.

Who is the manufacturer of 141120?

OptiFuse

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