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Siemens 3NW1200-0HG SENTRON Class CC 20A Time-Lag Fuse Link

Siemens SENTRON Class CC 20A time-lag cylindrical fuse link.

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ManufacturerSiemens

Part number3NW1200-0HG

Type Cylindrical fuse link

Class CC

Amperage 20 A

Voltage 600 V AC

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Class CC fuse rating Time-lag operation 600V AC maximum voltage Cylindrical fuse design Protects control transformers High interrupting capability

Product description

The Siemens 3NW1200-0HG is a SENTRON cylindrical fuse link, designated as Class CC, and featuring a time-lag operational characteristic. It is rated to handle 20 Amperes and a maximum AC voltage of 600V. This fuse is purpose-built for the protection of control transformers, reactors, and solenoids, in strict accordance with national installation regulations.

This fuse plays a critical role in industrial electrical systems by providing reliable overcurrent protection for essential control components. Its time-lag capability is particularly useful in systems that experience temporary surges during energization, preventing unwanted shutdowns while still guarding against damaging overloads.

Stanlo Automation, a veteran-owned business, is your go-to source for surplus industrial automation parts. We are committed to delivering quality components like the Siemens 3NW1200-0HG, helping you maintain operational uptime and protect your valuable equipment efficiently and affordably.

Technical specifications

Type	Cylindrical fuse link
Class	CC
Amperage	20 A
Voltage	600 V AC
Characteristic	Time-lag
Manufacturer	Siemens
Series	SENTRON

Common applications

Control transformers

Reactors

Solenoids

Industrial automation

Machine control panels

Electrical switchgear

Compatible systems

Class CC fuse holders Solenoid circuits Control circuits Transformer protection circuits

Also known as

Siemens 20A Class CC fuse SENTRON 3NW1200-0HG Siemens 600V fuse

Replaces / compatible with

This 20A, Class CC, 600V AC time-lag fuse is suitable for replacing similar fuses in control transformer, reactor, or solenoid protection circuits. Always verify specifications against the equipment manual.

Technical note

Expert tip

For optimal performance and safety, ensure that the fuse holder used is specifically designed and rated for Class CC fuses.

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Frequently asked questions

What specific protection does the Siemens 3NW1200-0HG offer for solenoids?

The Siemens 3NW1200-0HG provides reliable overcurrent protection for solenoids. Its time-lag feature allows for the typical inrush current when a solenoid is energized, while its Class CC rating ensures it will reliably interrupt fault currents that could damage the solenoid or associated wiring.