Eaton Bussmann 170M4389 200A 1250V AC aR High-Speed Fuse
● Contact for AvailabilityEaton Bussmann 170M4389 200A 1250V AC aR high-speed square-body fuse for semiconductor and power-electronics protection.

Eaton Bussmann 170M4389 200A 1250V AC aR high-speed square-body fuse for semiconductor and power-electronics protection.
Submit directly from this product page. We will reply with availability, lead time and pricing.
Eaton Bussmann 170M4389 is a 200A, 1250V AC, aR high-speed square-body fuse for semiconductor and power-electronics protection. The Size 1 construction uses Flush End Contact termination with Standard high-voltage flush-end configuration. Interrupt rating is 100kA. Pre-arcing I²t is 3800 A²s and clearing I²t is 30000 A²s at 1250V AC. Suitable for converters, rectifiers, drives and related power-electronics protection; verify final coordination against Eaton’s official time-current data.