Circuit Protection

FPK-R-4A

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OptiFuse

UL CLASS M FUSE, FAST ACTING 4A

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Circuit Protection

FPK-R-4A

Active

OptiFuse

UL CLASS M FUSE, FAST ACTING 4A

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	FPK-R-4A

Applications	Electrical, Industrial
Approval Agency	cULus, UL 248
Breaking Capacity @ Rated Voltage	20 kA DC, 200 kA AC
Class	CC
Current Rating (Amps)	4 A
Fuse Type	Cartridge
Mounting Type	Requires Holder
Package / Case	5AG
Package / Case [x]	10 mm
Package / Case [y]	38 mm
Response Time	Fast Blow
Size / Dimension [diameter]	10.3 mm
Size / Dimension [diameter]	0.406 "
Size / Dimension [x]	38 mm
Size / Dimension [x]	1.496 "
Voltage Rating - AC	600 VAC

FPK Series

Part	Fuse Type	Response Time	Breaking Capacity @ Rated Voltage	Applications	Approval Agency	Class	Current Rating (Amps)	Size / Dimension [diameter]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [diameter]	Voltage Rating - AC	Mounting Type	Package / Case [y]	Package / Case [x]	Package / Case	Size / Dimension [x]	Size / Dimension [diameter]	Voltage Rating - DC
OptiFuse FPK-R-5A	Cartridge	Fast Blow	20 kA DC 200 kA AC	Electrical Industrial	cULus UL 248	CC	5 A	10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG
OptiFuse FPK-R-500MA	Cartridge Ceramic	Fast Blow	100 kA 200 kA		CSA UL		0.5 A			1.5 in	0.409 in	600 V	Requires Holder	38 mm	10 mm	5AG	38.1 mm	10.4 mm	600 V
OptiFuse FPK-R-4A	Cartridge	Fast Blow	20 kA DC 200 kA AC	Electrical Industrial	cULus UL 248	CC	4 A	10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG
OptiFuse FPK-1A	Cartridge	Fast Blow	10 kA 100 kA	Electrical Industrial	cULus UL 248	M		10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG			600 V
OptiFuse FPK-R-30A	Cartridge	Fast Blow	20 kA DC 200 kA AC	Electrical Industrial	cULus UL 248	CC	30 A	10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG
OptiFuse FPK-R-2A	Cartridge	Fast Blow	20 kA DC 200 kA AC	Electrical Industrial	cULus UL 248	CC	2 A	10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG
OptiFuse FPK-3A	Cartridge	Fast Blow	10 kA 100 kA	Electrical Industrial	cULus UL 248	M	3 A	10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG			600 V
OptiFuse FPK-125MA	Cartridge Ceramic	Fast Blow	100 kA		CSA UL		0.125 Amps	10.3 mm	38 mm	1.496 "	0.406 "	600 V	Requires Holder	38 mm	10 mm	5AG			600 V
OptiFuse FPK-6A	Cartridge	Fast Blow	10 kA 100 kA	Electrical Industrial	cULus UL 248	M	6 A	10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG			600 V
OptiFuse FPK-4A	Cartridge	Fast Blow	10 kA 100 kA	Electrical Industrial	cULus UL 248	M	4 A	10.3 mm	38 mm	1.496 "	0.406 "	600 VAC	Requires Holder	38 mm	10 mm	5AG			600 V

Pricing

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

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 15.15
	N/A	468	$ 26.22

Description

General part information

FPK Series

4A 600 VAC 300 VDC Fuse Cartridge Requires Holder

Documents

Technical documentation and resources