3RT1481-6AF36

The Siemens 3RT1481-6AF36 is a SIRIUS 3RT.4 high-current power contactor with a 3-pole structure and 2NO+2NC auxiliary contacts. It has an AC-1 rated current of 900A and a voltage of 690V, and a coil voltage of 110-127V AC or 100-110V DC. It weighs 23.1 kg and is suitable for switching large, weakly inductive loads.

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Product Positioning

The 3RT1481-6AF36 is a 3RT.4 type power contactor in the Siemens SIRIUS 3RT1 series, specifically designed for high-current, weakly inductive and non-inductive loads. It features a 3-pole structure with 2NO+2NC auxiliary contacts, and an AC-1 rated current of up to 900A, making it suitable for main circuit switching in large distribution panels. The main circuit uses bus connections and is equipped with 110-127V AC or 100-110V DC coils, offering high configuration flexibility and stable, reliable operation.

Core Product Advantages and Features

High current 900A design

The AC-1 has a rated current of up to 900A/690V and is suitable for large main circuits.

3RT.4 Model for Weakly Inductive Loads

Designed specifically for switching weakly inductive and non-inductive high-current loads.

2NO+2NC auxiliary contacts

Facilitates control loop interlocking and signal feedback

Busbar main circuit connection

The main circuit uses bus terminals, suitable for high-current wiring.

Dual voltage coil option

The coil voltage covers 110-127V AC and 100-110V DC.

Rugged and durable structure

The product weighs 23.1 kg and has a robust structure suitable for industrial environments.

project	Specification
model	3RT1481-6AF36
series	SIRIUS 3RT1 (3RT.4)
Extreme number	3-pole (2NO + 2NC auxiliary contacts)
AC-1 rated current	900 A
Rated voltage	690 V
Rated temperature	40 °C
Coil rated voltage	110-127 V AC (50/60Hz) or 100-110 V DC
Main circuit connection method	bus
Control/Auxiliary Circuit Connection	Terminal screw type
weight	23.1 kg
Packaging size	320 × 400 × 300 mm

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