Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated current at 40 °C | 32 A |
| Rated motor power at 400 V, standard circuit, 40 °C | 15 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 24 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Main current circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection class | IP20 |
Key Features
- Rated current and motor power: Rated current: 32 A at 40 °C. Rated motor power at 400 V in standard circuit: 15 kW at 40 °C.
- Operating voltage: Operating voltage: 200 … 480 V at standard circuit, with relative negative tolerance of -15 % and relative positive tolerance of 10 %.
- Control supply: Control supply voltage: 24 V AC or 24 V DC. The rated control supply voltage frequency is 50 Hz or 60 Hz.
- Soft starter functions: The device has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Electrical connection: Main, auxiliary, and control circuits use screw-type terminals. The device has 3 poles for the main current circuit, 2 NO auxiliary contacts, 1 CO auxiliary contact, and 0 NC auxiliary contacts.
- Mounting and dimensions: Size: S0. Width: 45 mm; height: 125 mm; depth: 155 mm. Fastening method: screw and snap-on mounting.
Frequently Asked Questions
1. What is the rated current of Siemens 3RW4027-1BB04?
The rated current is 32 A at 40 °C.
2. What motor power is supported at 400 V?
The rated motor power is 15 kW at 400 V in a standard circuit at 40 °C.
3. What control supply does this soft starter require?
The control supply is 24 V AC or 24 V DC. The rated control supply voltage frequency is 50 Hz or 60 Hz.
4. How is the 3RW4027-1BB04 connected and mounted?
It uses screw-type terminals for the main, auxiliary, and control circuits. Fastening is by screw and snap-on mounting.
