3LD2203-1TP51

SIEMENS SENTRON 3LD2203-1TP51 load isolation main switch, 3-pole, Iu 32A, with built-in 1NC 1NO auxiliary contacts for feedback of switch status, black handle design, 4-hole front panel mounting, suitable for general power circuit main switch applications.

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SIEMENS SENTRON 3LD2203-1TP51 Main Switch (with 1NC1NO contact product photo)

Product Positioning

The SIEMENS SENTRON 3LD2203-1TP51 is a 3-pole load isolating main switch in the SIRIUS 3LD series. It has a built-in 1NC and 1NO auxiliary contact, which can transmit the switch's on/off status back to the control system. It is suitable for use as a main switch in general power circuits.

Core Product Advantages and Features

Built-in auxiliary contacts

It comes standard with 1NC and 1NO auxiliary contacts, which can transmit the on/off status of the switch to the control circuit or monitoring system.

Black grip for main switch identification

The main switch uses a standard black grip color scheme, clearly distinguishing it from the emergency stop switch.

3-pole 32A specification

Rated current Iu 32A, AC-23A, operating power 11.5kW at 400V, suitable for medium-sized power circuits.

Front panel 4-hole mounting

The front panel is fixed with four holes, and the handle is directly connected to the mechanism, making installation and maintenance convenient.

project	Specification
Extreme number	3-pole
Rated current Iu	32 A
Auxiliary contact	1 NC + 1 NO
Operating power	AC-23A at 400V: 11.5kW
Installation method	Front panel 4-hole mounting
Grip color	black

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