3RT1535-1AG20

The Siemens 3RT1535-1AG20 belongs to the SIRIUS 3RT1 series S2 model power contactor. It has a 4-pole configuration with 2NO+2NC auxiliary contacts, AC-3 rated current of 40A, power of 18.5kW/400V, and coil voltage of 110V AC 50/60Hz. It is suitable for medium and large motor opening and closing applications and is designed for standard DIN rail mounting.

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Siemens 3RT1535-1AG20 SIRIUS 3RT1 power contactor product image

Product Positioning

The 3RT1535-1AG20 is a power contactor in the S2 model of the Siemens SIRIUS 3RT1 series, designed specifically for the on/off control of medium to large motors and power circuits. It features a 4-pole structure with built-in 2NO+2NC auxiliary contacts, allowing for flexible handling of interlocking and signal feedback requirements. The 110V AC coil, combined with a stable magnetic circuit design, ensures reliable operation even under prolonged use.

Core Product Advantages and Features

S2 type power contactor

Meets the specifications of SIRIUS 3RT1 series S2 model, suitable for medium and large power circuits.

4-pole 2NO+2NC auxiliary contact

The main contacts are 4-pole, with 2 sets of normally open and 2 sets of normally closed auxiliary contacts, which facilitates the integration of control circuits.

AC-3 40A/18.5kW rated

Rated current of 40A and corresponding power of 18.5kW under 400V AC-3 conditions.

110V AC coil design

The coil has a rated voltage of 110V AC 50/60Hz, adaptable to different power supply environments.

High mechanical life

It can achieve a mechanical operation life of up to 10 million cycles, reducing the frequency of replacement.

Standard rail installation

Conforms to DIN EN 50022 standard for guide rail installation, facilitating construction.

project	Specification
model	3RT1535-1AG20
series	SIRIUS 3RT1
Model size	S2
Extreme number	4 poles (2NO + 2NC)
AC-3 rated current (400V)	40 A
AC-3 Rated Power (400V)	18.5 kW
Coil rated voltage	110 V AC 50/60 Hz
External dimensions (H×W×D)	112 × 73 × 115 mm
Mechanical life	10 million times
Installation method	DIN EN 50022 guide rail
Wiring method	Terminal screw type

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The Siemens 3RT1526-1AN20 is a SIRIUS 3RT1 series S0 model power contactor. It has 4 poles with 2NO+2NC auxiliary contacts, AC-3 rated current of 25A, power of 11kW/400V, coil voltage of 220V AC 50/60Hz, and mechanical life of 10 million cycles. It is suitable for small and medium-sized power circuits in distribution panels.

3RT1526-1AG20

The Siemens 3RT1526-1AG20 is a SIRIUS 3RT1 series S0 model power contactor. It has 4 poles with 2NO+2NC auxiliary contacts, AC-3 rated current of 25A, power of 11kW/400V, and coil voltage of 110V AC 50/60Hz. It shares the same structure as other voltage versions in the same series and is suitable for small and medium-sized power circuits.