Littelfuse NLN400 400A 250V Class K5 One-Time Fuse
● Contact for AvailabilityChoose Littelfuse NLN400 for 400A, 250V AC/DC one-time circuit protection with a 50kA AC interrupting rating.

Choose Littelfuse NLN400 for 400A, 250V AC/DC one-time circuit protection with a 50kA AC interrupting rating.
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Littelfuse NLN400 combines a 400A rating and 250V AC/DC capability with one-time fuse behavior. Physical configuration is Class K5 (219.1 × 50.8mm), with blade terminals and 50kA AC interrupting capability. Typical applications include general purpose and branch circuit protection; the product is listed to UL 248-9 with UL Listed, CSA, CE and RoHS approvals.