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Road vehicle fuse that withstands temperature shock, mechanical vibration and shock, current surges and chemical load. Short-circuit, overload and backup protection of electric-vehicle drive power systems, power conversion systems, energy storage and power batteries, energy storage capacitors, inverter controllers, chargers, conductors and other automotive equipment.
DC 500 V · 60 to 125 A · category EV · 20 kA at DC 500 V (L/R = 2 ± 0.5 ms), breaking range 2 In to 20 kA · JASO D622 performance; environmental reliability to ISO 8820, JASO D622 and GB/T 31465 · RoHS.
Size 4QD, bolt M6, 6 ± 1 N·m, 46.5 ± 3 g, 240 per box. Mounting surfaces of the two terminals must be coplanar within 0.3 mm. I²t typical at 504 V DC, 20.2 kA, 2.48 ms; the datasheet heads the I²t columns in kA²s, values are given here as printed. Minimum breaking current ≥ 2 In; curve tolerance ±15 %.
Ambient −40 °C to +125 °C (normal −5 °C to +40 °C, derate above 40 °C), altitude up to 4500 m. Vibration ISO 16750-3 passenger-car bodywork; pollution degree 3 (Sinofuse specification ZR/YC-0501 A3, 12/09/2024).
Specifications
Brand
Sinofuse
Product family
Power Fuses
Series
EV315-M-4QD
Rated voltage
DC 500 V
Current type
DC
Protection class
EV
Breaking capacity
20 kA @ DC 500 V (L/R 2 ± 0.5 ms)
Mounting type
Bolted
Operating temperature range
−40 °C to +125 °C
Maximum altitude
4500 m
Reference standards
JASO D622, ISO 8820, GB/T 31465
RoHS compliant
Yes
Application sectors
Automotive, Energy storage
Typical applications
Short-circuit, overload and backup protection of EV drive power systems, power conversion systems, energy storage and power batteries, energy storage capacitors, inverter controllers, chargers and conductors.
