Circuit Protection

0504020.MXEP

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Littelfuse/Commercial Vehicle Products

FUSE 420VDC 500VAC 3AB PB-FREE 20A

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Circuit Protection

0504020.MXEP

Active

Littelfuse/Commercial Vehicle Products

FUSE 420VDC 500VAC 3AB PB-FREE 20A

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DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	0504020.MXEP

Approval Agency	CE, cURus
Breaking Capacity @ Rated Voltage	200 A, 400 A
Current Rating (Amps)	20 A
DC Cold Resistance	0.0058 Ohms
Fuse Type	Cartridge, Ceramic
Melting I²t	760
Mounting Type	Through Hole
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-60 °C
Package / Case	3AG, 3AB
Package / Case [x]	1/4
Package / Case [y]	1-1/4
Size / Dimension	32.72 mm, 6.99 mm
Size / Dimension [diameter]	0.275 "
Size / Dimension [x]	1.288 "
Voltage Rating - AC	500 V
Voltage Rating - DC	420 V

504020 Series

FUSE 420VDC 500VAC 3AB PB-FREE 20A

Part	Approval Agency	Package / Case [x]	Package / Case [y]	Package / Case	Melting I²t	DC Cold Resistance	Current Rating (Amps)	Fuse Type	Voltage Rating - DC	Breaking Capacity @ Rated Voltage	Voltage Rating - AC	Size / Dimension	Size / Dimension [diameter]	Size / Dimension [x]	Operating Temperature [Max]	Operating Temperature [Min]	Mounting Type	Size / Dimension [x]	Size / Dimension [diameter]
Littelfuse/Commercial Vehicle Products 0504020.MXEP	CE cURus	1/4	1-1/4	3AB 3AG	760	0.0058 Ohms	20 A	Cartridge Ceramic	420 V	200 A 400 A	500 V	6.99 mm 32.72 mm	0.275 "	1.288 "	125 °C	-60 °C	Through Hole
Littelfuse/Commercial Vehicle Products 0504020.MXP	CE cURus	1/4	1-1/4	3AB 3AG	760	0.0058 Ohms	20 A	Cartridge Ceramic	420 V	200 A 400 A	500 V		0.25 in	1.25 "	125 °C	-55 °C	Requires Holder	31.75 mm	6.35 mm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Bulk	1000	$ 3.28

Description

General part information

504020 Series

A 420VDC and 500VAC rated ceramic fuse with remarkable interrupting rating in a compact 6.3 x 32mm package, which is well suited for circuit protection in high energy applications.

Documents

Technical documentation and resources