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Siemens SENTRON 3NW3040-0HG Class CC Time-Lag Fuse Link

Siemens SENTRON Class CC Time-Lag Cylindrical Fuse Link

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ManufacturerSiemens

Part number3NW3040-0HG

Amperage Rating 4A

Voltage Rating 600V AC

Class CC

Type Time-Lag, Current-Limiting

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Class CC Time-Lag Current-Limiting 600V AC Rating 200 kA Breaking Capacity Motor Circuit Protection

Product description

The Siemens SENTRON 3NW3040-0HG is a Class CC cylindrical fuse link designed with time-lag and current-limiting characteristics. It is rated for 4A and 600V AC, with a breaking capacity of 200 kA. This fuse is specifically engineered for the protection of motor circuits against overloads and short circuits.

This fuse is essential for safeguarding motor circuits in industrial applications. The time-lag feature is critical for allowing motors to start up without tripping the fuse, while the current-limiting aspect ensures rapid interruption during severe fault conditions, preventing damage.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens SENTRON 3NW3040-0HG fuse. We pride ourselves on reliable sourcing, competitive pricing, and expert customer support. Rely on Stanlo Automation for your critical component needs and to maintain your facility's uptime.

Technical specifications

Amperage Rating	4A
Voltage Rating	600V AC
Class	CC
Type	Time-Lag, Current-Limiting
Breaking Capacity	200 kA
Fuse Size	10.3mm x 38.1mm
Standard	UL 248-4

Common applications

Motor Circuits

Overload Protection

Short Circuit Protection

Industrial Automation

Compatible systems

Motor control systems

Also known as

Siemens SENTRON 3NW3040-0HG 3NW30400HG Class CC 4A Time-Lag Fuse

Replaces / compatible with

This fuse is designed to protect motor circuits and is a component within Siemens' SENTRON fuse systems.

Technical note

Expert tip

This fuse is part of the Class CC fuse system, designed for branch circuit protection with high interrupting ratings.

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Frequently asked questions

Why is the current-limiting feature important for motor circuit protection with the 3NW3040-0HG fuse?

The current-limiting feature of the Siemens 3NW3040-0HG fuse rapidly reduces the fault current, minimizing the energy let-through and thereby reducing damage to the motor and associated equipment during a short circuit.