Pyrofuse SPF-3

SPF-3 DC1000V 400A fuse with 16kA breaking capacity. Dimension 50x50x70mm, applied for EV battery BDU protection.

Rated voltage: DC1000V
Rated current: 400A
Breaking capacity: 1000V/16kA/20μH
Product size: 50 x 50 x 70mm

Parameter	Specification
Rated voltage	1000 VDC
Current carrying capacity	400 A at 85°C（load cable 95 mm²）300 A at 105°C（load cable 95 mm²）200 A at 125°C（load cable 95 mm²）
Breaking capacity	1000 V / 16 kA / 20 μH
Breaking time	＜3 ms
Triggering resistance	1.8 Ω–2.3 Ω
Triggering current	1.75 A / 0.5 ms1.2 A / 2 ms
No-trigger current	≤0.4 A / ≤10 s≤5.0 A / ≤4 μs
Diagnostic current	≤100 mA
Triggering pulse slope	＜100 μs/A
Busbar resistance at 20°C	Before operation: ≤50 μΩAfter operation: ≥10 MΩ
Operating temperature	−40°C to 105°C
Storage temperature	−40°C to 85°C
Self-ignition temperature	≥250°C
Vibration resistance	According to AK-LV 124
Mechanical shock resistance	According to AK-LV 124
Temperature cycle resistance	According to AK-LV 124
Chemical load resistance	According to AK-LV 124
Weight	≤240 g
Terminal type	On busbar: M8 screwInstallation torque: 14 N·m
Sockets	ISO 19072-4 AK II

Dimensions (mm)