Siemens 3RW5126-1XC14 Soft Starter
MPN3RW5126-1XC14
SIRIUS soft starter 200-480 V 77 A, 110-250 V AC Screw terminals without bypass, Analog output
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product brand name | SIRIUS |
Power & Motor Rating
| Parameter | Value |
|---|---|
| Rated motor power at 400 V (40 °C) | 37 kW |
| Rated motor power at 230 V (40 °C) | 22 kW |
| Rated operational current at 40 °C | 133 A |
| Rated operational current at 50 °C | 118 A |
| Rated operational current at 60 °C | 107 A |
| Rated insulation voltage | 480 V |
| Minimum settable current (% of Ie) | 15 %; Relative to smallest settable Ie |
| Power loss during startup (50 °C) | 933 W |
Control & Connection
| Parameter | Value |
|---|---|
| Control supply voltage type | AC |
| Main circuit terminal type | box terminal |
| 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 | Yes; 4 ... 20 mA (default) / 0 ... 10 V (parameterizable with High Feature HMI) |
| Auxiliary contact rated current, AC-15 at 250 V | 3 A |
| Control supply voltage tolerance, AC 50 Hz (max.) | 10 % |
| Control supply voltage tolerance, AC 50 Hz (min.) | -15 % |
| Control supply voltage tolerance, AC 60 Hz (max.) | 10 % |
| Control supply voltage tolerance, AC 60 Hz (min.) | -15 % |
| 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 % |
Protection & Features
| Parameter | Value |
|---|---|
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Inside-delta connection | Yes |
| Intrinsic device protection | Yes |
| Pollution degree | 3, acc. to IEC 60947-4-2 |
Mechanical
| Parameter | Value |
|---|---|
| Height | 321 mm |
| Width | 185 mm |
| Depth | 203 mm |
| Weight | 5.6 kg |
| Mounting position | with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back |
| Fastening method | screw fixing |
| Mounting clearance, top | 100 mm |
| Mounting clearance, bottom | 75 mm |
| Mounting clearance, side | 5 mm |
| Mounting clearance, front | 10 mm |
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 |
Specifications
| Parameter | Value |
|---|---|
| Trip Class | CLASS 10A (default) / 10E / 20E; acc. to IEC 60947-4-2 |
| Number Of Controlled Phases | 3 |
| Product Feature Integrated Bypass Contact System | No |
| Start-Up Ramp Time Of Soft Starter | 0 ... 20 s |
| Ramp-Down Time Of Soft Starter | 0 ... 20 s |
Electrical
| Parameter | Value |
|---|---|
| Current Limiting Value [%] Adjustable | 130 ... 700 % |
| Starting Voltage [%] | 30 ... 100 % |
| Stopping Voltage [%] | 50 ... 50 % |
MPN
3RW5126-1XC14