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Siemens 3LD2103-0TK51 3-Pole SENTRON Main Switch Disconnector

Siemens 3LD2103-0TK51 SENTRON 3-pole main switch disconnector.

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ManufacturerSiemens

Part number3LD2103-0TK51

Poles 3

Current (Iu) 25 A

Operating Power (AC-23A, 400V) 9.5 kW

Series 3LD

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3-pole configuration 25A current rating 9.5kW at 400V AC-23A Front-mounted Rotary operating mechanism Black handle, 4-hole mount

Product description

The Siemens 3LD2103-0TK51 is a 3-pole SENTRON series switch disconnector, functioning as a main switch. It features a rated operational current (Iu) of 25 A and an operating power of 9.5 kW at 400V AC-23A. This front-mounted unit utilizes a black rotary operating mechanism with a 4-hole mounting for the handle.

This disconnector is widely used in motor control circuits, power isolation for machinery, and building automation systems. Its 25A rating and 9.5kW power handling capacity make it suitable for a broad range of industrial applications requiring reliable circuit interruption.

Stanlo Automation, a veteran-owned surplus parts distributor, is your trusted source for the Siemens 3LD2103-0TK51. We provide access to essential automation components, ensuring your operations have the parts they need to stay running efficiently.

Technical specifications

Poles	3
Current (Iu)	25 A
Operating Power (AC-23A, 400V)	9.5 kW
Series	3LD
Operation	Rotary
Handle Mount	4-hole
Color	Black

Common applications

Motor Control

Power Isolation

Industrial Machinery

Building Automation

Electrical Safety

Control Panels

Compatible systems

General Industrial Control Systems HVAC Systems Pump Control Machine Tools

Also known as

Siemens 3LD Main Switch 3LD2103 Disconnector Siemens 25A Rotary Switch

Replaces / compatible with

The Siemens 3LD2103-0TK51 can replace other 3LD series 3-pole main switch disconnectors. It is designed for reliable isolation in various industrial control and power distribution applications.

Technical note

Expert tip

For front mounting, ensure the handle mechanism is properly aligned and secured to the switch body before operation.

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Frequently asked questions

What is the maximum power this Siemens 3LD2103-0TK51 disconnector can handle?

The Siemens 3LD2103-0TK51 disconnector is rated for an operating power of 9.5 kW at 400V AC-23A. This makes it suitable for applications involving significant motor loads or power distribution where this capacity is required.