Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated current at 40 °C | 25 A |
| Motor power at 500 V, standard circuit, 40 °C | 15 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Operating frequency | 50 … 60 Hz |
| Control supply voltage | 110 … 230 V AC/DC |
| Control supply frequency | 50 Hz and 60 Hz |
| Electrical connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Device size | S0 |
| Front protection class | IP20 |
| Operating ambient temperature | -25 … +60 °C |
Key Features
- Rated current and motor power: Rated current: 25 A at 40 °C. Standard circuit motor power: 11 kW at 400 V and 15 kW at 500 V.
- Operating voltage and frequency: Operating voltage: 400 … 600 V at standard circuit. Rated operating frequency: 50 … 60 Hz.
- Control supply: Control supply voltage: 110 … 230 V AC or 110 … 230 V DC. Control supply frequency: 50 Hz and 60 Hz.
- Protection and control functions: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Connection and mounting: Main, auxiliary, and control circuits use screw-type terminals. Fastening method: screw and snap-on mounting. Size: S0; width: 45 mm, height: 125 mm, depth: 155 mm.
- Front protection and installation spacing: Front protection class: IP20. Required side-by-side mounting spacing: 60 mm upwards, 15 mm at the side, and 40 mm downwards.
Frequently Asked Questions
1. What is the rated current of the Siemens 3RW4026-1BB15?
The rated current is 25 A at 40 °C, 23 A at 50 °C, and 21 A at 60 °C.
2. What motor power is supported at 500 V?
The standard circuit motor power is 15 kW at 500 V and 40 °C.
3. What control supply does this soft starter use?
The control supply is 110 … 230 V AC or 110 … 230 V DC. The control supply frequency is 50 Hz and 60 Hz.
4. What type of electrical connection does it have?
The main current circuit and auxiliary and control circuits use screw-type terminals.
5. What should be verified before requesting a quote for this configuration?
Verify the 400 … 600 V operating voltage, 25 A rated current at 40 °C, 110 … 230 V AC/DC control supply, S0 size, and screw-type terminals.
