3RT1055-6AV36

The 3RT1055-6AV36 is a large contactor from the Siemens SIRIUS 3RT10 series S6 frame. It has an AC-3 current of 150A, a power of 75kW/400V, and a coil voltage of 380-420V. It is suitable for AC/DC wide range applications, which can reduce the number of models available. It is suitable for switchboards with many high-voltage control circuits.

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Product Positioning

The 3RT1055-6AV36 is a Siemens SIRIUS 3RT10 series S6 frame large contactor, suitable for direct starting applications of 75kW-class three-phase motors. Its coil voltage is a wide-range AC/DC design of 380-420V, compatible with both AC and DC control power supplies, reducing the complexity of spare parts management. Kenxin Motors provides genuine original parts and selection advice to assist customers in quickly completing equipment upgrades.

Core Product Advantages and Features

S6 Large Frame Design

AC-3 rated at 150A, 75kW/400V, is suitable for direct start control of the main circuit of large three-phase motors.

380-420V wide-range coil

A single coil covers both AC and DC 380-420V control power supplies, simplifying spare parts planning.

2NO+2NC auxiliary contacts

It provides 4 sets of auxiliary contacts, which can be used for status feedback, interlocking, or indicator light circuits.

Screw-type terminal design

The main circuit uses bus terminals and the control circuit uses screw terminals, making wiring and installation convenient.

Stable and durable structure

It conforms to the IEC 60947-4-1 standard and has a mechanical life of 10 million operating cycles.

Original manufacturer authorized distributor warranty

Kenxin Motors provides genuine Siemens products, with warranty and technical consultation services.

project	Specification
brand	Siemens
series	SIRIUS 3RT10
model	3RT1055-6AV36
Frame size	S6
Extreme number	3P (3 normally open main contacts)
AC-3 Rated Current/Power	150 A / 75 kW, 400V AC
auxiliary contacts	2 NO + 2 NC
Coil (operating) voltage	380-420V AC/DC Universal Type
External dimensions (height × width × depth)	172 × 120 × 170 mm
net weight	Approximately 3.335 kg
Main circuit wiring method	Busbar (copper busbar) terminals
Auxiliary/control circuit wiring	Screw terminals
Applicable Standards	IEC 60947-4-1

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