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Mersen D100QS300-4 D100QS Series High-Speed DC Fuse, 1000VDC, 300A aR 100kA IR, Round Body 5.09in

Regular price $100.00 USD
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The Mersen D100QS300-4 is a high-capacity North American round-body semiconductor fuse engineered for elite-level protection in 1000VDC power conversion systems. Part of the specialized D100QS Series, this 300A fuse features an aR utilization category with an exceptional 100kA interrupting rating, providing robust short-circuit safeguarding for high-voltage Energy Storage Systems (ESS), DC fast-charging stations, and industrial UPS architectures.

Product ID (MPN) D100QS300-4
Series D100QS Protistor®
Current Rating (In) 300 A
Voltage Rating (DC) 1000 VDC (L/R ≤1 ms)
Interrupting Rating (IR) 100 kA at 1000 VDC
Utilization Category aR (High-Speed Semiconductor)
Power Dissipation 29 W (at 0.8×In) / 53 W (at In)
Min Breaking Capacity (MBC) 2920 A at 1000 VDC
Body Diameter 1.50 in (38.1 mm)
Overall Length 5.09 in (129 mm)
Mounting Centers 4.16 in (106 mm)
Unit Weight 0.30 kg
Compatible Fuse Block P266A / 1SC375 / 1SCM10
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