Circuit Protection

LDFJ400.X

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FUS 600V H/S CLASS J 400A

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Circuit Protection

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FUS 600V H/S CLASS J 400A

Technical Specifications

Parameters and characteristics for this part

Specification	LDFJ400.X

Applications	Electrical, Industrial
Approval Agency	UL, CSA, CE
Breaking Capacity @ Rated Voltage	200 kA, 100 kA
Class	J
Current Rating (Amps)	400 A
Fuse Type	Cartridge
Mounting Type	Bolt Mount
Package / Case	Cylindrical, Blade Terminal (Bolt)
Response Time	Fast Blow
Size / Dimension [diameter]	53.6 mm
Size / Dimension [diameter]	2.11 in
Size / Dimension [z]	3.382 in
Size / Dimension [z]	85.9 mm
Voltage Rating - AC	600 VAC
Voltage Rating - DC	450 V

FUS 600V H/S CLASS J 400A

Part	Package / Case	Current Rating (Amps)	Applications	Voltage Rating - DC	Voltage Rating - AC	Approval Agency	Class	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [z]	Size / Dimension [z]	Fuse Type	Mounting Type	Response Time	Breaking Capacity @ Rated Voltage
Littelfuse/Commercial Vehicle Products LDFJ400.X	Blade Terminal (Bolt) Cylindrical	400 A	Electrical Industrial	450 V	600 VAC	CE CSA UL	J	53.6 mm	2.11 in	3.382 in	85.9 mm	Cartridge	Bolt Mount	Fast Blow	100 kA 200 kA

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

General part information

LDFJ400 is a Class J fuse with an ampere rating of 400.

Technical documentation and resources