3RT2017-1AF01

The 3RT2017-1AF01 is a Siemens SIRIUS S00 frame AC contactor, AC-3 specification, 12A/5.5kW/400V, with a 110V AC coil and built-in 1NO auxiliary contacts. It is a commonly used standard selection for industrial control switchboards.

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The 3RT2017-1AF01 is one of the most common 110V specifications in Siemens' SIRIUS S00 frame AC contactor series. With an AC-3 rated current of 12A and a capacity of 400V, it can control a 5.5kW three-phase motor load. The coil voltage is 110V AC, and it has one built-in normally open (1NO) auxiliary contact for operation signal feedback or indicator light control. Both the main circuit and auxiliary contacts use screw terminal designs, making it suitable for use with thermal overload relays to form a complete motor starter. It is a common standard selection in Taiwanese industrial switchboards. Kensun Motors is an authorized Siemens distributor, stocking stock and providing selection consultation services.

Core Product Advantages and Features
110V AC coil
The coil's rated voltage of 110V is one of the common control circuit voltage specifications in Taiwan's industrial power distribution systems.
Built-in 1NO auxiliary contact
Standard configuration includes one set of normally open auxiliary contacts, which can be used for operation indication, PLC signal feedback, or interlock control.
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.
Suitable for motor starter assembly
It can be combined with thermal overload relays and auxiliary contact modules to form a complete direct-start motor starter.
project Specification
Product Type Siemens SIRIUS 3RT2 Series AC Contactors
model 3RT2017-1AF01
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 110 V AC
auxiliary contacts 1 NO (Normal Open)
Terminal type Screw terminals
Rated insulation voltage 690 V AC
Mechanical life 30 million cycles
Electrical life (standard auxiliary contact module) 10 million cycles
External dimensions (width x depth x height) 45 x 73 x 58 mm
net weight Approximately 0.231 kg
Operating ambient temperature -25°C ~ +60°C