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Introduction: This Manual Service Disconnect (MSD) provides a safe maintenance environment for high-voltage power systems in pure electric and hybrid vehicles. By utilizing a wire spring structure and high-performance silver plating, it ensures superior contact area, high current-carrying capacity, and an ultra-long service life.
| Parameter Details | |
|---|---|
| Electrical Characteristics | Max 400A (with fuse) / 250A (without fuse) |
| Mechanical Life | ≥ 100 times (Plug/Unplug) |
| Rated Voltage | 750Vdc (with fuse) / 1000Vdc (without fuse) |
| Optional Fuse Ratings | 160A / 200A / 250A / 315A / 350A / 400A |
| Temperature Range | -40℃ to 120℃ |
| HV Cable Compatibility | 16 - 50mm² |
| LV Cable Compatibility | 1.0mm² |








We focus on customized solutions for lithium-ion batteries and high-voltage components. Our products are widely applied in solar storage systems, electric vehicles, forklifts, marine equipment, and golf carts. We provide high voltage DC contactors, connectors, and manual service disconnects (MSD) with quality guarantees ranging from 1 to 10 years.
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