GFEV/400H Automobile Fuse Base | Semiconductor Fuse Holder

Category:

GFEV/400H semiconductor fuse holder: high‑speed aR type, 400A max, 500V/690V AC/DC. For automotive, EV, ESS, solar semiconductor fuse protection.

Description

 

 

 

GFEV/400H Automobile Fuse Base is a professional semiconductor fuse holder engineered for high‑speed aR semiconductor fuses. Rated up to 400A and 500V/690V AC/DC, it provides stable mounting, reliable conductivity, and safe arc isolation for automotive, EV, energy storage, solar, and industrial semiconductor circuit protection.

Core Specifications

  • Model: GFEV/400H
  • Fuse Compatibility: aR high‑speed semiconductor fuses (100A–400A)
  • Rated Current: Up to 400A AC/DC
  • Rated Voltage: 500V DC / 690V AC
  • Terminals: M10 bolt, tin‑plated high‑conductivity copper
  • Housing: Reinforced flame‑retardant thermoplastic, arc‑resistant
  • Mounting: Chassis/Panel mount (bolt‑on installation)
  • Certifications: UL 248‑1, IEC 60269‑4, RoHS compliant

Key Features

✅ aR Semiconductor Fuse Dedicated

Precision cavity fits aR ultra‑fast semiconductor fuses; ensures reliable contact for microsecond‑level short‑circuit protection.

✅ 400A High‑Current Capacity

Thick copper terminals reduce voltage drop and temperature rise under continuous high‑current load.

✅ 500V/690V Dual AC/DC Rating

Supports both 500V DC (EV/ESS) and 690V AC (industrial) systems, wide application coverage.

✅ Safe Arc Isolation

Flame‑retardant housing contains arc flash during semiconductor fuse breaking; protects nearby components.

✅ Vibration & Environmental Resistance

Reinforced housing and bolted terminals prevent loosening in automotive engine bays and ESS cabinet environments.

✅ Easy Installation & Maintenance

Bolt‑on mounting; simple fuse insertion and M10 bolt tightening for quick replacement.

Common Applications

  • Electric Vehicles (EV/HEV): Motor controller, OBC, high‑voltage distribution unit
  • Energy Storage (BESS): 500V DC battery systems, PCS, combiner boxes
  • Solar PV: Inverter DC input side, high‑power PV combiner stations
  • Industrial Drives: Frequency converters, rectifiers, industrial power supplies
  • Automotive Electronics: High‑current semiconductor modules, new energy vehicle power circuits

Installation & Torque

  1. Mounting: Secure holder to flat rigid surface with M10 bolts (torque: 12–15 Nm).
  2. Fuse Installation: Insert aR semiconductor fuse; tighten M10 terminal bolts firmly.
  3. Wiring: Connect 185–300mm² cables to M10 terminals; ensure clean, tight contact.
  4. Torque Check: Recheck bolt torque post‑installation and periodically in high‑vibration areas.

FAQ

 What fuse does GFEV/400H fit?

Max current/voltage rating?

400A AC/DC, 500V DC / 690V AC.

 Can it be used for EV motor controllers?

Yes—ideal for EV/HEV motor controller and high‑voltage semiconductor circuit protection.

 Why dedicated holder for semiconductor fuses?

 aR fuses break extremely fast; dedicated holders ensure low contact resistance and safe arc isolation to protect semiconductors.