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Siemens 3LD2103-0TK53 3-Pole SENTRON Emergency Switch

Siemens 3LD2103-0TK53 SENTRON 3-pole emergency switch disconnector.

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ManufacturerSiemens

Part number3LD2103-0TK53

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 Emergency switching-off function Front-mounted Red/Yellow rotary mechanism

Product description

The Siemens 3LD2103-0TK53 is a 3-pole SENTRON series switch disconnector specifically designed as an emergency switching-off switch. It has a rated operational current (Iu) of 25 A and an operating power of 9.5 kW at 400V AC-23A. This front-mounted unit features a distinctive red/yellow rotary operating mechanism with a 4-hole mounting for the handle.

This switch is critical for safety applications in industrial settings, allowing for immediate and reliable shutdown of machinery or processes in emergency situations. Industries such as manufacturing, food processing, and material handling commonly utilize these for operator safety and equipment protection.

Secure your Siemens 3LD2103-0TK53 emergency switch disconnector from Stanlo Automation. As a veteran-owned surplus distributor, we specialize in providing critical automation components, ensuring your safety systems are always operational and compliant.

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	Red/Yellow

Common applications

Emergency Shutdown

Machine Safety

Industrial Safety Systems

Manufacturing Equipment

Process Control

Operator Protection

Compatible systems

Industrial Safety Circuits Machine Tool Safety Systems Emergency Stop Circuits

Also known as

Siemens 3LD Emergency Switch 3LD2103 E-Stop Siemens Red/Yellow Disconnector

Replaces / compatible with

This emergency switch disconnector is a direct replacement for Siemens 3LD series 3-pole emergency switches. It adheres to safety standards for quick and reliable emergency power disconnection.

Technical note

Expert tip

Always ensure the emergency stop handle is clearly visible and accessible, and that personnel are trained on its operation for effective safety protocols.

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Frequently asked questions

What is the key safety feature of the Siemens 3LD2103-0TK53?

The primary safety feature of the Siemens 3LD2103-0TK53 is its function as an emergency switching-off switch. The distinct red/yellow color scheme and rotary operation ensure rapid identification and activation for immediate power disconnection during emergencies.