3RT2035-1AG20

The Siemens 3RT2035-1AG20 AC contactor, part of the SIRIUS 3RT20 series, is a size S2/3-pole contactor with an AC-3 rated current of 41A and a power output of 18.5kW (400V). It operates at 110V AC 50/60Hz and features 1NO+1NC auxiliary contacts with finger-touch protection.

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Siemens 3RT2035-1AG20 AC contactor, Size S2 1NO1NC

Product Positioning

The Siemens 3RT2035-1AG20 AC contactor belongs to the SIRIUS 3RT20 series, Size S2, 3-pole design, AC-3 rated current 41A, 18.5kW (400V), suitable for direct starting of medium-sized motors. The Siemens 3RT2035-1AG20 controls 110V AC 50/60Hz, is equipped with 1NO+1NC auxiliary contacts (AC-15 10A/230V), and features a front-facing finger-touch protection structure, with a mechanical life of 10 million cycles.

Core Product Advantages and Features

Size S2, 3-pole main circuit

AC-3 rated current 41A, 18.5kW (400V), suitable for direct starting of medium-sized motors.

1NO+1NC auxiliary contact

AC-15 rated 10A/230V, control voltage 110V AC 50/60Hz.

Finger-touch protective structure

Front-contact protection design, IP20 protection rating, suitable for panel mounting.

Mechanical life of 10 million cycles

The AC-4 has an electrical life of approximately 200,000 cycles (22A/400V) and is highly durable.

project	Specification
Product Series	SIRIUS 3RT20
Size Specifications	Size S2
Extreme number	3 poles
AC-3 rated current (400V)	41 A
AC-3 Rated Power (400V)	18.5 kW
Control voltage	110V AC 50/60Hz
Auxiliary contact configuration	1NO+1NC
Auxiliary contact rating (AC-15)	10 A / 230V
Insulation voltage	690V
Protection level	IP20 (finger touch protection)
Mechanical life	10 million times
Electrical life (AC-4, approximately 22A)	Approximately 200,000 times
Wiring method	Screw terminals
External dimensions (height × width × depth)	114×55×130 mm
weight	0.989 kg
Certification	CSA, UL, CCC, KC, EAC, RCM, marine classification ABS/BV/DNV/LR/RINA

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3RT2035-1AC20

The Siemens 3RT2035-1AC20 AC contactor, part of the SIRIUS 3RT20 series, is a size S2/3-pole contactor with an AC-3 rated current of 40A and a power output of 18.5kW (400V). It operates at a control voltage of 24V AC 50/60Hz and features 1 NO + 1 NC auxiliary contact.