3RT2017-1AD02

The 3RT2017-1AD02 is a Siemens SIRIUS S00 frame AC contactor, AC-3 specification 12A/5.5kW/400V, coil voltage 42V AC, designed for low-voltage control, with one set of normally closed auxiliary contacts, suitable for safety interlock circuits.

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Siemens 3RT2017-1AD02 AC Contactor, 42V AC Coil, 1NC Auxiliary Contact

Product Positioning

The 3RT2017-1AD02 is a Siemens SIRIUS S00 frame AC contactor. It has an AC-3 rated current of 12A and can control a 5.5kW three-phase motor load at 400V. The main circuit specifications are consistent with other models in the same series. This model has a coil voltage of 42V AC, belonging to a low-voltage safety class control circuit design, and has a built-in set of normally closed (1NC) auxiliary contacts. It is suitable for applications requiring personnel safety considerations or low-voltage interlock control, such as machine panel button circuits. Both the main circuit and auxiliary contacts use screw terminal wiring. Kenxin Motor is an authorized Siemens distributor, providing selection consultation and in-stock support.

Core Product Advantages and Features

42V AC low voltage coil

The coil has a rated voltage of 42V, which is a safety extra-low voltage level, suitable for control circuits that require close-range operation.

1NC normally closed auxiliary contact

The contacts open upon activation, making it suitable for safety interlocks, emergency stop circuits, or abnormal reporting.

12A/5.5kW main circuit

The AC-3 rated current is 12A, and it can directly control a 5.5kW three-phase motor load at 400V.

S00 Standards Organization

The external dimensions are 45 (width) x 73 (depth) x 58 (height) mm, and it is mounted on a 35mm standard DIN rail, offering high versatility.

project	Specification
Product Type	Siemens SIRIUS 3RT2 Series AC Contactors
model	3RT2017-1AD02
Extreme number	3-pole (3P)
Casing size	S00
Rated operating current (AC-3, 400V)	12 A
Rated power (AC-3, 400V)	5.5 kW
coil voltage	42 V AC
auxiliary contacts	1 NC (normally closed)
Terminal type	Screw terminals
Rated insulation voltage	690 V AC
Mechanical life	30 million cycles
External dimensions (width x depth x height)	45 x 73 x 58 mm
net weight	Approximately 0.23 kg
Protection level	IP20
Operating ambient temperature	-25°C ~ +60°C

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