Key elements of rail transit protection fuses:
DC fuse technology, high voltage DC arc extinguishing technology, DC arc extinguishing composite materials, low I2t and arc voltage of the fuse, anti-vibration protection technology of the fuse system, anti-aging protection technology of the fuse system (aging types include: mechanical, thermal, Chemistry, crystal phase structure, etc.), low temperature rise of fuse, intelligent automation, intelligent manufacturing.

Application areas: third rail, auxiliary converter, pantograph, power distribution, lighting, instrumentation and control cabinet, air conditioning system (HVAC)

Common voltage:
750Vdc/850Vdc/1000Vdc/1200Vdc/1500Vdc/2000Vdc/2400Vdc/4000Vdc

Standard: IEC60269

Common shapes: European style cube, French style round tube, American style round tube

Common connection methods: American contact, French contact, flat contact, DIN 436 20, DIN 43 653