Main Battery Disconnect Switch for Car or Marine 48V-1250A
Available in stock
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 9.900 Ft | — |
| 3–4 pcs | 9.405 Ft | 5% (−495 Ft/unit) |
| 5–10 pcs | 8.910 Ft | 10% (−990 Ft/unit) |
| 11+ pcs | 8.415 Ft | 15% (−1.485 Ft/unit) |
48V Battery Disconnect Switch up to 1250A for Automotive and Marine
This master disconnect switch offers complete control over the electrical circuit in heavy-duty vehicles, boats, or industrial installations. A maximum capacity of 1250A for starting and robust construction with copper contacts make it ideal for situations requiring quick and safe battery disconnection. The professional solution for protection and safety in 12V-48V electrical systems.
What you get with this product
- Instant control of the electrical circuit via a visible On/Off rotary handle, accessible even with work gloves
- Starting protection for trucks, boats, or heavy machinery — supports up to 1250A starting current without damage
- Quick installation with a complete kit of screws and nuts included, no special tools required
- Guaranteed durability for a minimum of 10,000 switching cycles, tested under real industrial conditions
- Sealed housing with brass terminal and copper contact — resistant to vibrations, moisture, and extreme temperatures
- Compatible with 12V, 24V, and 48V systems — versatile for automotive, marine, RVs, or off-grid solar installations
How it works and how to install
The switch is mounted directly on the positive cable between the battery and the consumers, using the M8 threaded terminals included in the package. It is fixed with 4 screws on a flat surface — wall, chassis, or console. Rotating the red handle instantly closes or opens the electrical circuit, completely stopping the current flow. All mounting hardware is included; installation takes less than 15 minutes with standard tools.
Frequently asked questions
Can I use the switch for a 12V truck system?
Yes, it works perfectly on 12V, 24V, or 48V, being compatible with most heavy vehicles and boats.
Is it resistant to humidity or water splashes?
The housing is protected against dust and moisture, but it is not submersible — installation in an area protected from direct water jets is recommended.
What cable cross-section can I connect to the terminals?
The terminals accept cables up to 50mm², compatible with standard M8 eyelet connectors for high current.
Technical specifications
| Contact type | Rotary On/Off |
| Maximum voltage | 48-60V DC |
| Continuous rated current | 275A DC |
| Intermittent current | 350A DC |
| Starting current | 1250A DC |
| Dimensions | 68.5 x 68.5 x 80 mm |
| Contact resistance | 50 mOhm |
| Insulation resistance | 100 MOhm |
| Dielectric strength | 1500V AC/min |
| Durability | 10,000 cycles |
| Terminal material | Brass with copper contact |
| Package contents | 1 switch + mounting screws + nuts |
Warranty and support
The product benefits from a 24-month warranty in accordance with Romanian legislation for electronic products. 30-day return policy. Fast delivery via national courier with tracking.
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