Siemens SENTRON 3NW7 Class J and Class CC fuse holders (UL)

SENTRON 3NW7 UL Class J (30 to 400 A) and Class CC (30 A) fuse holders for DIN rail, screw mounting or 8US 60 mm busbar systems, 600 V.

Key features

Class J holders 30, 60, 100, 200 and 400 A
Class CC holders 30 A, standard and compact
DIN rail, mounting plate and 8US 60 mm bus-mounting versions
Rated voltage 600 V
Compact Class CC holders with optional signal detector

Specifications

Brand	Siemens SENTRON
Series	3NW7
Rated voltage	600 V
Approval	UL
Manufacturer	Siemens
Source	Siemens Catalog LV 10 · 2026, p. 554-555

3NW7511-3HG		Class: J \| Fuse size: 21 x 57 mm \| Rated current: 30 A \| Poles: 1P \| Version: DIN rail
3NW7521-3HG		Class: J \| Fuse size: 21 x 57 mm \| Rated current: 30 A \| Poles: 2P \| Version: DIN rail
3NW7531-3HG		Class: J \| Fuse size: 21 x 57 mm \| Rated current: 30 A \| Poles: 3P \| Version: DIN rail
3NW7511-5HG		Class: J \| Fuse size: 27 x 60 mm \| Rated current: 60 A \| Poles: 1P \| Version: DIN rail
3NW7521-5HG		Class: J \| Fuse size: 27 x 60 mm \| Rated current: 60 A \| Poles: 2P \| Version: DIN rail
3NW7531-5HG		Class: J \| Fuse size: 27 x 60 mm \| Rated current: 60 A \| Poles: 3P \| Version: DIN rail
3NW7531-6HG		Class: J \| Fuse size: 29 x 118 mm \| Rated current: 100 A \| Poles: 3P \| Version: Screw mounting plate
3NW7431-6HG		Class: J \| Fuse size: 29 x 118 mm \| Rated current: 100 A \| Poles: 3P \| Version: Bus-mounting 8US 60 mm
3NW7531-7HG		Class: J \| Fuse size: 41 x 146 mm \| Rated current: 200 A \| Poles: 3P \| Version: Screw mounting plate
3NW7431-7HG		Class: J \| Fuse size: 41 x 146 mm \| Rated current: 200 A \| Poles: 3P \| Version: Bus-mounting 8US 60 mm
3NW7531-8HG		Class: J \| Fuse size: 54 x 181 mm \| Rated current: 400 A \| Poles: 3P \| Version: Screw mounting plate
3NW7431-8HG		Class: J \| Fuse size: 54 x 181 mm \| Rated current: 400 A \| Poles: 3P \| Version: Bus-mounting 8US 60 mm
3NW7513-0HG		Class: CC \| Fuse size: 10 x 38 mm \| Rated current: 30 A \| Poles: 1P \| Version: Standard
3NW7523-0HG		Class: CC \| Fuse size: 10 x 38 mm \| Rated current: 30 A \| Poles: 2P \| Version: Standard
3NW7533-0HG		Class: CC \| Fuse size: 10 x 38 mm \| Rated current: 30 A \| Poles: 3P \| Version: Standard
3NW7533-1HG		Class: CC \| Fuse size: 10 x 38 mm \| Rated current: 30 A \| Poles: 3P \| Version: Compact, without signal detector
3NW7534-1HG		Class: CC \| Fuse size: 10 x 38 mm \| Rated current: 30 A \| Poles: 3P \| Version: Compact, with signal detector
3NW7431-0HG		Class: CC \| Fuse size: 10 x 38 mm \| Rated current: 30 A \| Poles: 3P \| Version: Bus-mounting 8US 60 mm

Fuses & Fuse HoldersSiemens

18 product codes available in this family

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Siemens SENTRON 3NW7 Class J and Class CC fuse holders (UL)

Brand Siemens·Fuses & Fuse Holders

Available part numbers (18)

3NW7511-3HG, 3NW7521-3HG, 3NW7531-3HG, 3NW7511-5HG, 3NW7521-5HG, 3NW7531-5HG, 3NW7531-6HG, 3NW7431-6HG, 3NW7531-7HG, 3NW7431-7HG + 8 more — see full table ↓

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Siemens SENTRON 3NW7 Class J and Class CC fuse holders (UL)