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Siemens 3LD2555-0TK53 SENTRON 3-Pole Emergency Switch

Siemens SENTRON 3LD 3-pole front-mounted emergency switch disconnector.

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ManufacturerSiemens

Part number3LD2555-0TK53

Poles 3

Rated current (Iu) 63 A

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

Function Emergency switching-off

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Veteran-owned

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3-pole configuration 63A current rating 22kW power output Emergency switching-off function Front-mounted design Red/yellow rotary handle

Product description

The Siemens 3LD2555-0TK53 is a SENTRON 3LD series emergency switching-off switch. This 3-pole disconnector has a rated uninterrupted current (Iu) of 63 A and an operating power of 22 kW at AC-23 A and 400 V. It features a front-mounted design with a red/yellow rotary operating mechanism for central mounting of the handle (22.5 mm).

This emergency switch is designed for quick and reliable disconnection of power in critical situations, ensuring operator safety and equipment protection. Its front-mounted configuration simplifies installation in various panel designs.

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Technical specifications

Poles	3
Rated current (Iu)	63 A
Operating power (AC-23A, 400V)	22 kW
Function	Emergency switching-off
Mounting	Front-mounted
Handle type	Rotary, red/yellow, central 22.5 mm mounting

Common applications

Emergency shutdown

Machine safety

Industrial control panels

Hazardous area operations

Safety circuits

Compatible systems

Industrial control panels Machine enclosures Safety systems

Also known as

Siemens 3LD2555 emergency switch SENTRON emergency off 3LD2555-0TK53 Siemens

Technical note

Expert tip

The central 22.5 mm mounting for the handle ensures a clean panel aesthetic and is compatible with standard circular cutouts, facilitating integration into various control systems.

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Frequently asked questions

What are the benefits of the front-mounted design on the 3LD2555-0TK53?

The front-mounted design allows for easier access and installation directly onto the control panel's front surface. This simplifies wiring and maintenance, making it a practical choice for many industrial applications where direct access to the switch is preferred.