Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current at 40 °C | 45 A |
| Rated motor power at 400 V, standard circuit, 40 °C | 22 kW |
| Operating voltage at standard circuit | 200 … 480 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Connection type | Screw-type terminals for main, auxiliary and control circuits |
| Auxiliary contacts | 2 NO, 1 CO, 0 NC |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Operating ambient temperature | -25 … +60 °C |
Key Features
Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset and adjustable current limitation.
Rated operational current is 45 A at 40 °C; rated motor power is 22 kW at 400 V and 11 kW at 230 V in the standard circuit at 40 °C.
Operating voltage is 200 … 480 V at the standard circuit. The control supply is AC/DC at 110 … 230 V.
Main, auxiliary and control circuits use screw-type terminals. The device has 2 NO auxiliary contacts, 1 CO auxiliary contact and 0 NC auxiliary contacts.
Size S2; width 55 mm, height 160 mm and depth 170 mm. Fastening uses screw and snap-on mounting.
Front protection is IP20. Ambient temperature is -25 … +60 °C during operation and -40 … +80 °C during storage.
Frequently Asked Questions
What exact Siemens line item is 3RW4036-1BB14?
It is a SIRIUS S2 soft starter with product designation Soft starter.
What motor power and current are supported at 400 V?
In the standard circuit at 40 °C, the rated motor power is 22 kW and the rated operational current is 45 A.
What control supply does this soft starter use?
The control supply is AC/DC, 110 … 230 V.
How is the device mounted and connected?
It uses screw and snap-on mounting. Main, auxiliary and control circuits use screw-type terminals.
