3RT2015-1AB01

The 24V AC low-voltage coil enhances operational safety. One set of auxiliary contacts is normally open (NO) for easy feedback of operating status or driving indicator lights. The main circuit operates at 7A/3kW. The S00 is compact in size.

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Siemens 3RT2015-1AB01 AC contactor, 24V AC, 1NO auxiliary contact

Product Positioning

Both the 3RT2015-1AB01 and 1AB02 use a 24V AC (50/60Hz) low-voltage coil, suitable for control circuits powered by a step-down transformer where operational safety is paramount. The difference lies in the auxiliary contact type: a single set of normally open (NO) contacts, suitable for feedback of contactor operating status, driving indicator lights, or sending monitoring signals to the control system. The main circuit maintains the same specifications as the SIRIUS 3RT2015 series: 7A/3kW at 400V for AC-3, and up to 18A for AC-1. The S00 minimum form factor with screw terminal wiring allows for quick installation and easy future maintenance.

Core Product Advantages and Features

1 set of normally open (NO) auxiliary contacts feedback action status

It facilitates the extraction of ON/OFF signals to drive panel indicator lights or to be sent to the control system for monitoring.

24V AC low-voltage coil, ensuring operational safety.

Powered by a step-down transformer, it is suitable for control box circuit designs where personnel safety requirements are high.

7A/3kW main circuit capacity

The AC-3 has a rated current of 7A and a power output of 3kW at 400V, while the AC-1 can reach 18A. Both are suitable for general small three-phase motor control.

S00 minimum size, screw terminal design

With a size of only 57.5×45×73mm, both the main and auxiliary coil circuits use screw terminals, making installation and maintenance convenient.

project	Specification
Product Series	Siemens SIRIUS 3RT2015 / S00 Dimensions (Minimum Size in the Series)
Extreme number	3P (Triple Pole)
Coil voltage/frequency	24V AC, 50/60Hz
auxiliary contacts	1 NO (Normal Open)
Rated operating current Ie (AC-3,400V)	7A
Rated operating power (AC-3,400V)	3kW
Rated current (AC-1,400V)	18A
Wiring method	Screw terminals (main circuit/auxiliary circuit/coil circuit)
Rated insulation voltage Ui	690V AC
Rated impulse withstand voltage Uimp	6kV
Protection level	IP20 (Front Side and Terminal Area)
Mechanical life	30 million cycles (up to 10 million cycles with auxiliary contact group)
Operating ambient temperature	-25°C ~ +60°C (Storage temperature: -55°C ~ +80°C)
External dimensions (height x width x depth)	57.5 x 45 x 73 mm
net weight	Approximately 0.23 kg

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