Description
Product Overview
The LiTime 250A DC Circuit Breaker is engineered for 12‑48V DC systems, offering robust protection for LiFePO4 batteries and related circuitry. Constructed from high‑grade, oxidation‑resistant alloys, the breaker features a compact surface‑mount form factor (3.46″ D x 1.96″ W x 1.77″ H) and a single‑pole, standard type design. Rated at 250 Amps and 48 Volts, it delivers precise interruption of overloads and short circuits, safeguarding sensitive components in automotive, marine, and solar environments.
Usage
This breaker is ideal for installers and DIY enthusiasts seeking dependable protection for electric vehicles, boats, off‑grid solar arrays, and any application that relies on LiFePO4 battery packs. Its straightforward, tool‑free installation makes it suitable for both professional technicians and hobbyists. Whether you are upgrading a vehicle’s powertrain, retrofitting a marine battery system, or building a portable solar charger, the LiTime 250A breaker provides the confidence that the electrical system will remain safe under demanding conditions.

Why Choose Us
LiTime combines decades of expertise in power management with rigorous quality control. Each breaker undergoes thermal cycling and corrosion testing to guarantee performance over years of operation. The use of premium conductive materials reduces internal resistance, minimizing heat buildup and extending the lifespan of both the breaker and the protected battery. Our commitment to safety is reflected in compliance with industry standards for DC protection devices, giving you peace of mind in critical power applications.
Key Features
- 250 Amp continuous rating for high‑current LiFePO4 battery packs
- 48 Volt DC compatibility covering 12‑48V systems
- Compact surface‑mount design for easy installation in tight spaces
- Premium oxidation‑resistant alloy construction for long‑term durability
- Simple, tool‑free setup suitable for both professionals and DIY users
FAQ
What type of batteries is this breaker compatible with?
The LiTime 250A breaker is designed for LiFePO4 batteries operating within a 12‑48V DC range, making it suitable for automotive, marine, and solar energy storage applications.
Can I install the breaker myself?
Yes. The surface‑mount design requires no specialized tools or professional training. Follow the included wiring diagram to connect the breaker in series with your battery’s positive lead.
Does the breaker meet any safety standards?
LiTime’s breaker complies with relevant UL and IEC standards for DC circuit protection, ensuring reliable performance and safety in demanding environments.
What is the expected lifespan of the breaker?
Thanks to its high‑quality, corrosion‑resistant materials, the breaker is rated for many years of continuous operation under normal load conditions.
Is this breaker suitable for solar charge controllers?
Absolutely. Its 48 V rating and 250 A capacity make it an excellent safeguard for solar charge controllers and associated battery banks.




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