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Siemens 3LD2545-0TK51 SENTRON 3-Pole Main Switch

Siemens SENTRON 3LD 3-pole main switch disconnector with central mounting.

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ManufacturerSiemens

Part number3LD2545-0TK51

Poles 3

Rated current (Iu) 63 A

Operating power (AC-23A, 400V) 22 kW

Function Main switch

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3-pole configuration 63A current rating 22kW power output Main switch function Floor mounting with door coupling Central 22.5 mm handle mounting

Product description

The Siemens 3LD2545-0TK51 is a SENTRON 3LD series switch disconnector, functioning as a main switch. This 3-pole unit has a rated uninterrupted current (Iu) of 63 A and an operating power of 22 kW at AC-23 A and 400 V. It is designed for floor mounting with door coupling and features a black rotary operating mechanism with central 22.5 mm mounting for the handle.

This switch is ideal for primary power isolation in control cabinets and machinery, ensuring a safe and reliable main disconnect point. Its robust design is suited for demanding industrial environments.

Source your Siemens 3LD2545-0TK51 from Stanlo Automation, your trusted veteran-owned distributor for surplus industrial parts.

Technical specifications

Poles	3
Rated current (Iu)	63 A
Operating power (AC-23A, 400V)	22 kW
Function	Main switch
Mounting	Floor with door coupling
Handle type	Rotary, black, central 22.5 mm mounting

Common applications

Main power disconnect

Control panel isolation

Industrial machinery

Motor control

Power distribution

Compatible systems

Industrial control panels Machine enclosures Power distribution cabinets

Also known as

Siemens 3LD2545 main switch SENTRON 3LD disconnect 3LD2545-0TK51 Siemens

Technical note

Expert tip

The door coupling feature allows the disconnector's rotary handle to operate the switch from outside the enclosure, even when the door is closed, enhancing safety during operation.

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Frequently asked questions

What is the significance of the 'central mounting 22.5 mm' for the handle on the 3LD2545-0TK51?

The central 22.5 mm mounting specification refers to the standard size for a circular panel cutout used for mounting the rotary operating mechanism. This ensures compatibility with a wide range of standard control panel cutouts and enclosures.