Car Battery Cut-Off Switch HE03 / 250A
Out of stock
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Estimated delivery: 08 Jun - 12 Jun
250A Car Battery Disconnect Switch with Lock Key
The HE03 battery circuit breaker protects your vehicle's electrical system against short circuits and theft. A professional solution for trucks, RVs, boats, or agricultural machinery, with quick lever operation and a key-locking system. It installs directly on the battery, completely cutting off power when the vehicle is not in use.
What you get with this product
- Complete protection against short circuits and battery discharge when parked — the system remains completely isolated
- Anti-theft security with key-locking system — no one can start the vehicle without key access
- 250A DC current capacity — supports powerful consumers on trucks, RVs, or boats
- Industrial durability with 100,000 mechanical cycles — withstands years of intensive use
- Brass contacts with minimal resistance — no power loss or overheating
- 12V and 24V compatible — works on any type of car or marine vehicle
How it works and how to install it
The switch mounts directly to the battery terminal using the two M8 screws included in the metal base. The positive cable of the electrical system connects to the upper terminal, and the red lever switches between the ON (closed circuit) and OFF (battery completely disconnected) positions. The key locks the lever in the desired position, preventing unauthorized tampering. Installation takes less than 15 minutes and only requires a wrench for tightening the terminals.
Frequently asked questions
Can I use the switch on an RV with a solar system and inverter?
Yes, the 250A capacity is sufficient for most RV configurations, including systems with inverters up to 3000W on 12V. Check your system's peak consumption before installation.
Does the switch get hot at maximum current?
The brass contacts have very low electrical resistance, so under normal use, the temperature remains within safe limits. For sustained currents above 200A, we recommend checking the tightness of the terminals after the first few hours of operation.
How resistant is it to humidity and vibrations?
The metal casing and ABS base provide good protection against vibrations and splashing. For marine or very humid environments, applying a protective solution to the contacts extends the lifespan.
Technical specifications
| Rated current | 250A DC |
| Operating voltage | 12V - 24V DC |
| Contact type | ON-OFF with lock key |
| Housing material | Metal and ABS |
| Contact material | Brass |
| Electrical durability | 10,000 cycles |
| Mechanical durability | 100,000 cycles |
| Dimensions | 150 x 90 x 95 mm |
| Package contents | 1 x HE03 switch, 2 x keys |
| EAN | 0781499716268 |
Warranty and support
The product benefits from a 24-month warranty according to Romanian legislation. The 30-day return policy allows testing in real conditions. Fast delivery by national courier with order confirmation.
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Specificații
Specificații
Detalii produs
Detalii produs
Designed with care and crafted from premium materials, our products combine durability, comfort, and timeless style. Each piece is thoughtfully made to enhance your living space, offering a perfect balance of functionality and elegance that complements any home and suits your unique lifestyle.
Materials & Care
Materials & Care
Carefully crafted from durable, sustainable materials, each piece is designed for long-lasting use and timeless style. For proper care, wipe gently with a soft, damp cloth to remove dust and dirt. Avoid using harsh chemicals, abrasive cleaners, or excessive moisture to protect the finish and maintain its pristine look.
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