Product information
Overview
Key Features
- Rated current and motor power: Rated operational current: 63 A at 40 °C. Standard-circuit motor power: 30 kW at 400 V and 18.5 kW at 230 V, both at 40 °C rated value.
- Operating and control supply: Operating voltage: 200 … 480 V at standard circuit. Control supply: AC/DC, 110 … 230 V at AC and DC.
- Soft-start functions and protection: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation. Thermistor motor protection evaluation is not included.
- Connections and mounting: Main, auxiliary, and control circuits use screw-type terminals. Fastening method: screw and snap-on mounting. Size: S2; dimensions: 55 mm wide, 160 mm high, and 170 mm deep.
- Protection and operating temperature: Front protection class: IP20 according to IEC 60529. Ambient temperature during operation: -25 … +60 °C; derating temperature: 40 °C.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current | 63 A at 40 °C |
| Motor power at 400 V | 30 kW at standard circuit at 40 °C rated value |
| Operating voltage | 200 … 480 V at standard circuit |
| Control supply | AC/DC; 110 … 230 V at AC and DC |
| Operating frequency | 50 … 60 Hz |
| Integrated bypass contact system | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Connections | Screw-type terminals for main, auxiliary, and control circuits |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 according to IEC 60529 |
Frequently Asked Questions
What is the exact product type and rating of Siemens 3RW4037-1BB14?
It is a SIRIUS S2 soft starter with a rated operational current of 63 A at 40 °C and a standard-circuit motor power of 30 kW at 400 V at 40 °C rated value.
What operating and control voltages does this soft starter support?
Operating voltage is 200 … 480 V at standard circuit. The control supply is AC/DC, with 110 … 230 V at AC and 110 … 230 V at DC.
Which protection and control functions are included?
It has intrinsic device protection, motor overload protection, external reset, adjustable current limitation, an integrated bypass contact system, and thyristors. Thermistor motor protection evaluation and a motor brake output are not included.
How is the Siemens 3RW4037-1BB14 mounted and connected?
It uses screw and snap-on mounting. Main, auxiliary, and control circuits use screw-type terminals; the device is size S2 and measures 55 mm wide, 160 mm high, and 170 mm deep.
