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Siemens SENTRON 3LD2154-0TK51 3-Pole Front-Mounted Switch Disconnector

Siemens 3LD2154-0TK51 SENTRON 3-pole front-mounted switch disconnector.

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ManufacturerSiemens

Part number3LD2154-0TK51

Poles 3

Current (Iu) 25A

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

Mounting Front

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3-Pole configuration 25A continuous current 9.5kW operating power at 400V Front mounting design Rotary operating mechanism Black central handle

Product description

The Siemens 3LD2154-0TK51 is a SENTRON 3LD series switch disconnector, functioning as a main switch. This 3-pole unit has a rated operational current (Iu) of 25A and delivers 9.5 kW of operating power at AC-23A and 400V. It is designed for front mounting with a door coupling and features a black rotary operating mechanism with a central 22.5mm handle.

This switch is engineered for reliable operation in various industrial settings, including motor control circuits and power distribution panels. Its front-mounting design simplifies installation in enclosures where direct panel access is required, ensuring safety and efficiency for maintenance and operational tasks.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3LD2154-0TK51. We provide expert sourcing and competitive pricing, ensuring you receive quality components to keep your industrial automation systems running optimally.

Technical specifications

Poles	3
Current (Iu)	25A
Power (AC-23A, 400V)	9.5 kW
Mounting	Front
Actuator	Rotary
Handle Color	Black
Handle Mount	Central 22.5mm

Common applications

Motor Control

Power Distribution Panels

Industrial Enclosures

Machine Control

OEM Applications

Compatible systems

Industrial control panels, distribution boards, and machinery

Also known as

Siemens 3LD2154-0TK51 SENTRON 3LD Front Mount Switch 25A Disconnect Switch

Replaces / compatible with

This switch disconnector serves as a direct replacement for Siemens 3LD series front-mounted main switches with similar electrical ratings. Verify compatibility before installation.

Technical note

Expert tip

The 22.5mm center hole mounting is standard for front panel installations, allowing easy integration with existing control panels.

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Frequently asked questions

What is the power rating for the Siemens 3LD2154-0TK51 at 400V?

The Siemens 3LD2154-0TK51 has an operating power rating of 9.5 kW at AC-23A and 400V, suitable for heavy load applications.