3RT2017-1AM21

The 3RT2017-1AM21 is a Siemens SIRIUS S00 frame AC contactor with a 208V AC coil, 50/60Hz, AC-3 12A/5.5kW/400V, and built-in 1NO auxiliary contact. It is suitable for 208V specification electromechanical equipment.

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Siemens 3RT2017-1AM21 AC contactor, 208V AC coil, 1NO auxiliary contact.

Product Positioning

The 3RT2017-1AM21 is a model in the Siemens SIRIUS S00 frame AC contactor series specifically designed for 208V control voltage. It has an AC-3 rated current of 12A and can control a 5.5kW three-phase motor at 400V. The coil voltage is 208V AC, compatible with 50/60Hz, and includes one normally open (1NO) auxiliary contact for operation signal feedback. 208V is a common control circuit voltage in North America, making this model particularly suitable for use with US standard transformers or imported machine switchboards. Both the main circuit and auxiliary contacts use screw terminal wiring, allowing for easy wiring on a 35mm standard DIN rail. Kenxin Motors provides genuine Siemens products and selection consultation.

Core Product Advantages and Features

208V AC coil

Designed specifically for 208V control voltage, compatible with 50/60Hz, suitable for power distribution systems of US standard or imported equipment.

Built-in 1NO auxiliary contact

It comes standard with one set of normally open auxiliary contacts, which can be used for operation indication and PLC signal feedback.

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	3RT2017-1AM21
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	208 V AC, 50/60 Hz
Auxiliary contacts	1 NO (Normal Open)
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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