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Mersen D70QS125-4 D70QS Series High-Speed DC Semiconductor Fuse, 700VDC, 125A

Regular price $90.00 USD
Regular price Sale price $90.00 USD
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The Mersen D70QS125-4 is a high-speed semiconductor DC fuse designed for the reliable protection of high-power battery management systems, energy storage systems (ESS), and EV DC fast charging stations. Operating at 700VDC with a nominal current rating of 125A, this fuse provides rapid overcurrent protection with a 20kA interrupting rating. Its bolted-tag design ensures secure integration into Battery Disconnect Units (BDUs) and industrial inverters.

Product ID (MPN) D70QS125-4
Brand Mersen
Series D70QS Series
Nominal DC Voltage 700 V
Nominal Current (In) 125 A
Interrupting Rating (IR) 20 kA at L/R ≤ 1 ms
Power Dissipation at 0.5 In 3.8 W
Minimum Breaking Capacity (MBC) 870 A
Maximum Time to Clear MBC 60 ms
Dimensions A: 3.63 in (92.2 mm), B: 1.22 in (31 mm), C: 2.13 in (54.1 mm), D: 2.94 in (74.7 mm), E: 2.81 in (71.4 mm), F: 0.31 in (7.9 mm), G: 1 in (25.4 mm), H: 0.19 in (4.8 mm)
Weight 0.17 kg
Standards & Certifications UL Recognized E60314, REACH / RoHS Compliant
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