Battery Disconnect Switch Guide: How to Choose the Right One for DC Systems
Learn how to choose a battery disconnect switch for DC systems, including voltage, current ratings, installation factors and applications.
Read the Guide →
The CZY-BS01 Battery Disconnect Switch is a high current rotary ON/OFF isolator designed for 12V–48V DC electrical systems.
With continuous, intermittent and cranking current ratings, it provides a reliable way to manually disconnect battery power in automotive, marine, RV and DC power applications.
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The CZY-BS01 Battery Disconnect Switch is a high current rotary switch designed for DC battery isolation applications. It provides a manual ON/OFF function for disconnecting battery power in 12V–48V DC systems.
With a robust bolt-terminal structure and high current capability, this battery switch is suitable for applications where reliable power isolation and service safety are required.
| Product Type | Battery Disconnect Switch |
| Model | CZY-BS01 |
| Operation | ON/OFF Rotary Switch |
| Voltage Rating | 12–48V DC |
| Continuous Rating | 275A DC |
| Intermittent Rating | 455A DC |
| Cranking Rating | 1250A DC |
| Terminal Stud Size | 2 × 10mm (3/8 inch) |
When selecting a battery disconnect switch, consider the system voltage, expected current, cable size, terminal connection requirements and installation environment.
The switch rating should be matched with the complete electrical system design rather than selected only by maximum current value.
Contact Cozy Electronics for battery switch solutions and customized requirements for automotive and DC electrical applications.
Learn how to choose a battery disconnect switch for DC systems, including voltage, current ratings, installation factors and applications.
Read the Guide →