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Siemens 3RW5215-1TC04 SIRIUS Soft Starter, 200-480V

Name: 3RW5215-1TC04
Brand: Siemens
SKU: 3RW5215-1TC04
Availability: LimitedAvailability
Author: Broker Bao

MPN3RW5215-1TC04

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Siemens SIRIUS 3RW5215-1TC04 soft starter, 200-480 V, minimum current 11.5 A, trip class 10A/10E/20E, with PROFIBUS, PROFINET, Modbus RTU/TCP, and EtherNet/IP.

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Siemens 3RW5215-1TC04 datasheet (PDF)

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RW5215-1TC04 — Identification
Parameter	Value
Product designation	Soft starter
Product brand name	SIRIUS

3RW5215-1TC04 — Power & Motor Rating
Parameter	Value
Rated motor power at 400 V (40 °C)	11 kW
Rated motor power at 230 V (40 °C)	5.5 kW
Rated operational current at 40 °C	43.3 A
Rated operational current at 50 °C	39 A
Rated operational current at 60 °C	33.9 A
Rated insulation voltage	600 V
Minimum settable current (% of Ie)	15 %; Relative to smallest settable Ie
Power loss during startup (50 °C)	318 W

3RW5215-1TC04 — Control & Connection
Parameter	Value
Control supply voltage type	AC/DC
Rated voltage at 50 Hz	24 V
Rated voltage at 60 Hz	24 V
Main circuit terminal type	screw-type terminals
Control circuit wire range, solid	1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²)
Control circuit wire range, finely stranded (with ferrule)	1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
Analog output	No
Auxiliary contact rated current, AC-15 at 250 V	3 A
Auxiliary contact rating (UL)	R300-B300
Control supply voltage tolerance, AC 50 Hz (max.)	20 %
Control supply voltage tolerance, AC 50 Hz (min.)	-20 %
Control supply voltage tolerance, AC 60 Hz (max.)	20 %
Control supply voltage tolerance, AC 60 Hz (min.)	-20 %
Control supply frequency tolerance (max.)	10 %
Control supply frequency tolerance (min.)	-10 %
Operating frequency tolerance (max.)	10 %
Operating frequency tolerance (min.)	-10 %
Operating voltage tolerance, inside-delta (max.)	10 %
Operating voltage tolerance, inside-delta (min.)	-15 %

3RW5215-1TC04 — Protection & Features
Parameter	Value
Motor overload protection	Yes; Full motor protection (thermistor motor protection and electronic motor overload protection)
Thermistor motor protection	Yes; Type A PTC or Klixon / Thermoclick
Adjustable current limitation	Yes
Inside-delta connection	Yes
Intrinsic device protection	Yes
Pollution degree	3, acc. to IEC 60947-4-2

3RW5215-1TC04 — Mechanical
Parameter	Value
Height	275 mm
Width	170 mm
Depth	152 mm
Weight	2.1 kg
Mounting position	+/- 10° rotation possible and can be tilted forward or backward on vertical mounting surface
Fastening method	screw fixing
Mounting clearance, top	100 mm
Mounting clearance, bottom	75 mm
Mounting clearance, side	5 mm
Mounting clearance, front	10 mm

3RW5215-1TC04 — Environmental
Parameter	Value
Operating temperature range	-25 ... +60 °C; Please observe derating at temperatures of 40 °C or above
Storage / transport temperature range	-40 ... +80 °C
Max. installation altitude	5 000 m; Derating as of 1000 m, see catalog
Ambient class during operation (IEC 60721)	3K6 (no ice formation, only occasional condensation), 3C3 (no salt mist), 3S2 (sand must not get into the devices), 3M6
Ambient class during transport (IEC 60721)	2K2, 2C1, 2S1, 2M2 (max. fall height 0.3 m)

3RW5215-1TC04 — Specifications
Parameter	Value
Trip Class	CLASS 10A (default) / 10E / 20E; acc. to IEC 60947-4-2
Number Of Controlled Phases	3
Utilization category according to IEC 60947-4-2	AC 53a
Product Feature Integrated Bypass Contact System	Yes
Start-Up Ramp Time Of Soft Starter	0 ... 20 s

3RW5215-1TC04 — Electrical
Parameter	Value
Current Limiting Value [%] Adjustable	130 ... 700 %
Starting Voltage [%]	30 ... 100 %
Stopping Voltage [%]	50 %; non-adjustable

Product details

Soft starter for motor starting duty

The Siemens 3RW5215-1TC04 is a SIRIUS soft starter designed for three-phase induction motors. It reduces inrush current and mechanical stress during start-up by ramping the voltage, then bypasses to full line voltage once the motor is up to speed. The unit supports a rated voltage range of 200 to 480 V and a minimum settable current of 11.5 A, with the trip class configurable to CLASS 10A (default), 10E, or 20E per IEC 60947-4-2 — meaning it protects the motor during starts that complete within that thermal window. Built-in features include soft torque for gentle acceleration of loads like conveyors, and pump ramp down to eliminate water hammer on pump stops. An auto-reset function and remote reset (by cycling the 24 V control supply) are standard, reducing the need for a manual reset button on the panel door.

Fieldbus and integration

This soft starter supports PROFIBUS, PROFINET (with PROFIenergy), Modbus RTU, Modbus TCP, and EtherNet/IP, making it straightforward to drop into a modern control network without a separate gateway. The PROFINET standard communication module enables PROFIenergy for coordinated energy management during idle phases. Firmware updates are supported, so the unit can be kept current with the latest features. Mounting is by screw fixing on a vertical surface, with +/-10° rotation and forward/backward tilt allowed. Clearance requirements: 100 mm upwards, 75 mm downwards, 10 mm forwards, 0 mm backwards, and 5 mm at the sides.

Frequently asked questions

What is the trip class of the 3RW5215-1TC04?

The trip class is configurable to CLASS 10A (default), 10E, or 20E, according to IEC 60947-4-2. This determines the maximum thermal overload protection time during a start.

Does the 3RW5215-1TC04 include thermistor overload protection?

The evidence does not list a dedicated thermistor input. Overload protection is provided via the configurable trip class (10A/10E/20E) and minimum current setting of 11.5 A. For motor thermal protection, an external PTC relay would be needed.