As the demand for electric vehicles grows, so does the need for reliable, high-voltage protection components. SCHURTER introduces three new high-performance fuse series—AMO, ALO, and ADO—designed to ensure maximum safety and performance in critical EV systems.
SCHURTER continues to innovate in automotive circuit protection, offering fuses that combine robust construction, patented safety technologies, and flexible mounting options. Together, the AMO, ALO, and ADO series deliver the reliability and performance required for next-generation electric vehicles.
AMO fuse – High performance for 800 VDC systems
The AMO 10.3×38 fuse is tailored for use in EV battery and charging systems. With its patented welding process, it ensures higher reliability than conventional soldered connections. Multiple mounting options provide design flexibility across different EV subsystems.
Features & benefits
- Rated up to 800 VDC / 50 A
- High reliability due to patented welding process
- Multiple mounting options: PCB, screw mount, axial mount
- Compact 10.3×38 mm design
Applications
- EV battery management systems (BMS)
- On-board and off-board chargers
- DC-DC converters
- Other high-voltage EV components

ALO fuse – High-voltage protection up to 1000 VDC and 900 A
The ALO series was developed for demanding EV power distribution and battery applications. Its high breaking capacity makes it a safe choice for fault conditions, while different mounting and housing options enable integration into diverse designs.
Features & benefits
- Voltage range: 250 – 1000 VDC
- Current range: 100 – 900 A
- High breaking capacity up to 50 kA
- Mounting options: axial or bottom bolt-on
- Housing options: ceramic or resin
- Standards compliance: JASO D622, ISO 8820-8, GB/T 31465.6, UL 248-20
Applications
- Power distribution units (PDUs)
- Battery disconnect units (BDUs)
- Manual service disconnectors
- All-in-one controllers
- Battery management systems

ADO fuse – Fast-tripping, high-voltage fuse for EV systems
The ADO series is designed to protect sensitive EV subsystems with fast tripping and high vibration resistance. Its multiple mounting variants ensure secure fit and low contact resistance in demanding environments.
Features & benefits
- Rated up to 1000 VDC
- Current range: 10 – 63 A
- Fast-tripping characteristics
- High vibration resistance
- Four mounting options (including 3 screw-mount variants)
- Low contact resistance
Applications
- Battery management systems (BMS)
- On-board chargers
- DC-DC converters
- Air conditioning compressors
- PTC heating systems
- Motor control units

With their robust construction, patented safety technologies, and flexible mounting options, SCHURTER’s AMO, ALO, and ADO fuses provide maximum reliability and safety in modern electric vehicle systems. They are engineered to meet the strict requirements of today’s EV platforms, supporting safe and efficient operation in applications from battery management to high-voltage distribution.
