Part IDSR400 is a 400A member of the Littelfuse IDSR Series with a 600V AC / 600V DC rating. The device couples Class RK5 indicating fuse construction with a 200kA AC AC interrupting rating. Visual blown-fuse indication is part of the series design. Refer to the official datasheet for final coordination.
Submit directly from this product page. We will reply with availability, lead time and pricing.
IDSR400 is Littelfuse’s 400A configuration in the IDSR Series, built as a Indicating Dual-Element Time-Delay Class RK5 Fuse for 600V AC / 600V DC service. The fuse combines Class R construction, ferrule / blade (amp-dependent) termination and a 200kA AC primary interrupting specification. Published dimensions for this rating/configuration are 295.3mm length; ~66mm max body diameter. The indicating design also supports 600V DC circuits. Applications include DC circuits, Solar Inverters, Motor, Transformer, Solenoid. Confirm final suitability with the official datasheet and UL 248-12.
USCC4I
30A · 600VAC / 600VDC
USCC4
30A · 600VAC / 600VDC
USCC3N
30A · 600VAC / 600VDC
USCC3IN
30A · 600VAC / 600VDC
USCC3I
30A · 600VAC / 600VDC
USCC3
30A · 600VAC / 600VDC
USCC2I
30A · 600VAC / 600VDC
USCC2
30A · 600VAC / 600VDC