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Siemens 3LD2050-1TL13 4-Pole Emergency Switch Disconnector

Siemens 3LD2050-1TL13 SENTRON 4-pole emergency switch disconnector.

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ManufacturerSiemens

Part number3LD2050-1TL13

Type Switch disconnector

Manufacturer Siemens

Series SENTRON 3LD

Poles 4

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4-pole configuration Emergency switching-off function Front-mounted knob operation Red/Yellow safety indicator 16A rating

Product description

The Siemens 3LD2050-1TL13 is a 4-pole SENTRON switch disconnector, functioning as an emergency switching-off switch. It has a rated operational current (Iu) of 16 A and delivers 7.5 kW of operating power at AC-23 A and 400 V. This unit is front-mounted and features a red/yellow knob-operated mechanism with central 22.5 mm mounting for the handle.

This switch is well-suited for safety-critical applications requiring a 4-pole disconnection, such as in motor control circuits or specific power distribution setups where all poles need to be switched simultaneously for safety. Its front-mounted design allows for easy access in control panels.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3LD2050-1TL13 to meet your industrial automation needs. We are committed to providing quality surplus components with dependable service.

Technical specifications

Type	Switch disconnector
Manufacturer	Siemens
Series	SENTRON 3LD
Poles	4
Rated Current (Iu)	16 A
Operating Power (AC-23A, 400V)	7.5 kW
Mounting	Front-mounted
Handle Type	Knob-operated
Handle Color	Red/Yellow
Handle Mounting	Central 22.5 mm

Common applications

Motor control circuits

Power distribution

Safety systems

Industrial machinery

Control panels

Automation equipment

Compatible systems

Industrial electrical panels Motor control centers Automation machinery

Also known as

Siemens 3LD2050 3LD2050-1TL13 4-pole switch Siemens emergency disconnect

Replaces / compatible with

This 4-pole switch disconnector can serve as a replacement for other Siemens 3LD series devices or similar 4-pole switching devices. Confirm specifications before replacement.

Technical note

Expert tip

The knob-operated mechanism provides a clear visual indication of the switch position (ON/OFF/TRIPPED) and is suitable for applications where a compact and easy-to-operate actuator is preferred.

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Frequently asked questions

What is the advantage of a 4-pole switch disconnector like the 3LD2050-1TL13?

A 4-pole switch disconnector, such as the Siemens 3LD2050-1TL13, ensures that all live conductors (typically L1, L2, L3, and N in a single-phase or three-phase system) are disconnected simultaneously. This provides a higher level of safety, especially in systems where neutral disconnection is also required.