Applications

01 / ELECTRIC VEHICLES

High-Voltage Protection for EV Powertrains

Electric vehicles operate at 400V to 1000V DC with fault currents exceeding 20kA. EssFuse high-voltage DC fuses provide ultra-fast interruption to protect battery packs, motor controllers, inverters and onboard chargers from catastrophic short-circuit damage.

Our gPV and aR class fuses are certified to UL 248-13 and designed specifically for DC systems, ensuring reliable protection over the full EV operating temperature range (-40°C to +85°C).

Voltage Range
500V – 1500V DC
Current Range
50A – 500A
Breaking Capacity
Up to 50kA
Standard
UL 248-13
GFEVT1500-59E GFEVT1000-59E EV Fuse Series
View EV Fuses →
EV / HEV / PHEV
02 / ENERGY STORAGE

Battery Energy Storage System Protection

From residential Powerwall to utility-scale BESS, energy storage systems require robust DC protection at every level — cell, module, rack and system. EssFuse fuses are deployed in PCS (Power Conversion Systems), BMS and battery racks worldwide.

Our high-voltage DC fuses feature low power loss and stable temperature rise, maximizing system efficiency while providing reliable short-circuit and overload protection for lithium-ion battery systems.

Voltage Range
48V – 1500V DC
Current Range
35A – 630A
Breaking Capacity
Up to 50kA
Standard
IEC 60269 / UL
ESS-GFVT500-51E GFEVT750-N-51E BESS Fuse Series
View ESS Fuses →
Residential / Commercial / Utility
03 / SOLAR & PHOTOVOLTAIC

PV String & Inverter Protection

Solar PV systems generate up to 1500V DC with unique fault characteristics including low-level fault currents and reverse current conditions. EssFuse gPV photovoltaic fuses are specifically designed to interrupt these challenging DC fault conditions.

Used in string combiner boxes, re-combiner boxes and central inverters, our PV fuses protect solar panels, wiring and inverter equipment from overcurrent and reverse current damage in both rooftop and utility-scale installations.

Voltage Range
1000V – 1500V DC
Current Range
10A – 400A
Breaking Capacity
Up to 40kA
Standard
UL 248-19 / IEC
PV Fuse Series gPV 1500V String Combiner Fuses
View PV Fuses →
Rooftop / Utility / C&I
04 / AUTOMOTIVE

12V/24V/48V Vehicle Electrical Systems

Traditional ICE and mild-hybrid vehicles rely on blade fuses, MIDI fuses, ANL fuses and bolt-down fuses to protect wiring harnesses, accessories and high-current systems. EssFuse offers the complete range of automotive fuse types with OEM-quality performance.

All automotive fuses are manufactured to SAE J2077 and UL 248-11 standards, with tin-plated terminals for corrosion resistance and consistent conductivity over the vehicle’s service life.

Voltage Range
12V – 200V DC
Current Range
20A – 800A
Breaking Capacity
Up to 20kA
Standard
UL 248-1 / SAE
ANL Bolt-Down MIDI Fuse Blade Fuse ATC/ATO Maxi Fuse
View Automotive Fuses →
ICE / Mild-Hybrid / Commercial
05 / INDUSTRIAL AUTOMATION

Factory Automation & Control Systems

Industrial automation systems including PLCs, VFDs, servo drives and robotics require reliable overcurrent protection for both AC and DC control circuits. EssFuse high-speed semiconductor fuses and cylindrical fuses deliver precise protection for power electronics.

Our aR and gG class fuses are used in variable frequency drives, UPS systems, welding equipment and CNC machines, providing coordination with upstream breakers and downstream protection devices.

Voltage Range
250V – 690V AC/DC
Current Range
2A – 1000A
Breaking Capacity
Up to 200kA
Standard
UL 248-1 / IEC 60269
High-Speed aR Fuse Semiconductor Fuse Cylindrical gG Fuse
View Industrial Fuses →
PLC / VFD / Robotics / UPS
06 / EV CHARGING INFRASTRUCTURE

AC & DC Fast Charging Stations

EV charging stations operate at high power levels — DC fast chargers can deliver 350kW+ at 1000V DC. EssFuse high-voltage DC fuses protect charging power modules, rectifiers and output circuits from short-circuit faults.

Used in public charging piles, workplace chargers and destination charging, our fuses ensure safe and reliable operation 24/7, with high breaking capacity and low temperature rise for continuous duty cycling.

Voltage Range
400V – 1000V DC
Current Range
32A – 400A
Breaking Capacity
Up to 40kA
Standard
UL 248-13 / IEC
DC Charging Fuse GFEVT1000-59E Power Module Fuse
View Charging Fuses →
AC Level 2 / DC Fast / Ultra-Fast
Why EssFuse

Complete Circuit Protection Solutions

More than just fuses — we deliver end-to-end protection for your most critical systems.

Certified Quality

UL 248 series, CE, CQC, TUV and RoHS certified. Full test reports available.

Fast Interruption

Ultra-fast aR and gPV fuses interrupt fault currents in milliseconds.

Low Temperature Rise

Optimized design minimizes power loss and heat generation for efficiency.

Wide Temperature

Stable performance from -40°C to +85°C for harsh environments.

Need a Custom Solution for Your Application?

Our engineering team can design custom fuses for your specific voltage, current and mounting requirements.

Get a Free Consultation →