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Siemens 3LD2044-0TK53 3-Pole Emergency Switch Disconnector

Siemens 3LD2044-0TK53 SENTRON 3-pole emergency switch disconnector with door coupling.

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ManufacturerSiemens

Part number3LD2044-0TK53

Type Switch disconnector

Manufacturer Siemens

Series SENTRON 3LD

Poles 3

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Emergency switching-off function 3-pole configuration Floor mounting with door coupling Red/Yellow safety handle Rotary operating mechanism

Product description

The Siemens 3LD2044-0TK53 is a 3-pole SENTRON switch disconnector designated for emergency switching-off functions. It is rated for 16 A with an operating power of 7.5 kW at AC-23 A and 400 V. This model features floor mounting with door coupling and a red/yellow rotary operating mechanism, with a central 22.5 mm mounting for the handle.

This switch disconnector is crucial for safety applications in industrial settings, providing a reliable method for immediate power cutoff on machinery, production lines, and control systems. The door coupling facilitates safe operation from outside enclosures.

Stanlo Automation, a proud veteran-owned surplus parts distributor, is your source for essential industrial automation components like the Siemens 3LD2044-0TK53. We provide dependable and cost-effective solutions for your MRO needs.

Technical specifications

Type	Switch disconnector
Manufacturer	Siemens
Series	SENTRON 3LD
Poles	3
Rated Current (Iu)	16 A
Operating Power (AC-23A, 400V)	7.5 kW
Mounting	Floor mounting with door coupling
Handle Type	Rotary
Handle Color	Red/Yellow
Handle Mounting	Central 22.5 mm

Common applications

Industrial machinery

Control panels

Safety systems

Production lines

Power isolation

Automation applications

Compatible systems

Industrial control cabinets Machinery safety circuits Electrical enclosures

Also known as

Siemens 3LD2044 3LD2044-0TK53 emergency switch Siemens door mount disconnector

Replaces / compatible with

Designed as a replacement for similar Siemens 3LD series disconnectors. Always consult the Siemens catalog for precise compatibility information.

Technical note

Expert tip

For door coupling applications, ensure the enclosure panel thickness is within the specified range for the selected shaft length and handle kit to achieve a proper seal.

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Frequently asked questions

How is the Siemens 3LD2044-0TK53 typically mounted?

The Siemens 3LD2044-0TK53 is designed for floor mounting and features door coupling, allowing it to be mounted on the outside of an enclosure. The handle attaches centrally via a 22.5 mm mounting hole.