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Siemens 3LD2103-1TL53 4-Pole SENTRON Emergency Switch

Siemens 3LD2103-1TL53 SENTRON 4-pole emergency switch disconnector.

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ManufacturerSiemens

Part number3LD2103-1TL53

Poles 4

Current (Iu) 25 A

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

Series 3LD

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4-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 3LD2103-1TL53 is a 4-pole SENTRON series switch disconnector designed for emergency switching-off applications. It is rated for 25 A and has an operating power of 9.5 kW at 400V AC-23A. This front-mounted disconnector features a red/yellow rotary operating mechanism with a 4-hole mounting for the handle.

This 4-pole emergency switch is crucial for applications requiring complete isolation of three-phase power in safety-critical situations. It is utilized across various sectors, including heavy industry, automated manufacturing, and power generation facilities.

Stanlo Automation, your veteran-owned source for surplus industrial parts, offers the Siemens 3LD2103-1TL53. Count on us for reliable, high-quality components to keep your critical systems safe and operational.

Technical specifications

Poles	4
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

3-Phase Power Isolation

Manufacturing

Process Automation

Compatible systems

Three-Phase Power Systems Industrial Machine Safety Emergency Power Off Circuits

Also known as

Siemens 3LD 4-pole E-stop 3LD2103 Emergency Disconnector Siemens Red/Yellow 4-pole Switch

Replaces / compatible with

This 4-pole emergency switch disconnector is designed to replace existing Siemens 3LD series 4-pole emergency switches. It provides reliable safety disconnection for three-phase power circuits.

Technical note

Expert tip

For emergency applications, ensure the rotary handle is securely locked in the 'OFF' position after activation to prevent accidental re-energization.

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Frequently asked questions

Why is the Siemens 3LD2103-1TL53 a 4-pole emergency switch?

The 4-pole configuration of the Siemens 3LD2103-1TL53 allows for the disconnection of all three phases and the neutral conductor simultaneously. This ensures complete isolation of three-phase systems, which is often a requirement for safety in emergency shutdown scenarios.