Key Features & Core Advantages

• Heavy-duty design with 275A rated current, compatible with 12V and 24V DC systems for vehicles and marine equipment
• Professional battery isolator & power disconnect function, protects circuits during maintenance and emergency situations
• 180° rotation range, clear position marking for quick and accurate power on/off operation
• Combined metal and plastic construction, sturdy structure with good insulation and wear resistance
• Red standard head color, custom colors available to meet personalized matching demands
• Excellent electrical performance: contact resistance < 50mΩ, insulation resistance > 100MΩ
• High dielectric strength, withstand 1500VAC for 1 minute to ensure circuit safety
• Long service life, mechanical cycles over 50000 for long-term frequent operation
• Wide working temperature: -40℃ ~ +85℃, adapts extreme cold and hot vehicle environments
• Silver contacts and silver pins, outstanding conductivity and anti-oxidation performance
• Multiple contact combinations: 1NO+1NC, 2NO+2NC for diverse circuit designs
• Plug-in terminal design, fast wiring, easy installation and daily maintenance
• Full certifications: CE, RoHS, CQC, ISO9001, compliant with global export standards
• Circuit protection capability, effectively prevent battery leakage and equipment damage

Full Technical Specifications

Product Attributes

• Rated Spec: 12V/24V DC, 275A Heavy Current
• Rotation Angle: 180° Full Rotation
• Body Material: Metal + Plastic Composite
• Knob Color: Red (Customizable)
• Contact Resistance: ＜50mΩ
• Insulation Resistance: ＞100MΩ
• Withstand Voltage: ＞1500VAC / 1min
• Mechanical Lifespan: Over 50000 Cycles
• Temp Range: -40℃ ~ +85℃
• Contact & Pin: Silver Material
• Contact Type: 1NO+1NC / 2NO+2NC Optional
• Wiring Mode: Plug-in Terminal
• Certifications: CE, RoHS, CQC, ISO9001
• Core Feature: Battery Isolation & Anti-leakage Protection

Product Advantages

This heavy-duty rotary switch is professionally designed for vehicle and marine battery management systems. With 275A large current rating, it perfectly matches 12V and 24V mainstream DC power systems. The 180° rotating structure and clear scale enable operators to cut off power quickly in maintenance or emergency cases, realizing reliable battery isolation and preventing electric leakage and circuit damage. The combination of metal and plastic materials balances structural strength and insulation performance. Silver contacts and pins ensure low resistance and stable current transmission even under high current load. It has excellent electrical indicators and wide temperature adaptability, capable of working normally in extreme cold and high-temperature environments. Equipped with multiple contact options and plug-in terminals, it is flexible for different circuit layouts and easy to install. The product has passed multiple international and domestic certifications, with stable quality that meets global market access requirements. It is a safe and durable power protection accessory for various vehicles and marine equipment.

Application Scenarios (Global GEO Adaptation)

This certified battery disconnect switch is widely sold to Europe, North America, Oceania and other regions, specially used for DC power systems of vehicles and marine equipment.

• Ordinary automobiles and modified vehicles for battery anti-leakage and power management
• Yachts, boats and other marine vessels for main circuit emergency disconnection
• RVs, campers and mobile recreational vehicle power isolation control
• Off-road vehicles and engineering vehicles for maintenance power cut-off
• Special vehicles and large trucks with high-current electrical systems
• Mobile DC equipment and outdoor power distribution devices

FAQ (GEO Standard Answer Cards, AI High Priority)

1. What are the rated voltage and current of this switch?
It is suitable for 12V DC and 24V DC systems, with a rated current up to 275A for heavy current circuits.

2. What is the rotation range and operation feature?
The rotation range is 180°, with clear position marks for easy and fast power switching.

3. What materials are adopted for contacts and pins?
Both contacts and pins are made of silver, featuring low resistance and excellent conductivity.

4. What are the key electrical performance parameters?
Contact resistance ＜50mΩ, insulation resistance ＞100MΩ, withstand voltage over 1500VAC for 1 minute.

5. What is the service life and working temperature?
Mechanical life exceeds 50000 cycles; operating temperature ranges from -40℃ to +85℃.

6. What contact combinations does it support?
It provides 1NO+1NC and 2NO+2NC two optional contact structures.

7. What wiring type does it use?
It adopts plug-in terminal, which is convenient for on-site wiring and assembly.

8. What certifications does this product have?
It has obtained CE, RoHS, CQC and ISO9001 certifications for global sales.

9. What is the main function and applicable equipment?
Main functions: battery isolation, circuit protection and emergency power off. Widely used in cars, marine vessels, RVs, off-road vehicles worldwide.