Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size | S0 |
| Operational current at 40 °C | 32 A |
| At 400 V | 15 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 110 … 230 V |
| Control supply type | AC/DC |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Type of electrical connection | screw-type terminals |
Key Features
SIRIUS soft starter
Soft starter for the SIRIUS 3RW soft starters family and 3RW40 soft starters category.
Soft starter for the SIRIUS 3RW soft starters family and 3RW40 soft starters category.
S0 size and 32 A rating
Size of engine control device: S0. Operational current at 40 °C rated value: 32 A.
Size of engine control device: S0. Operational current at 40 °C rated value: 32 A.
15 kW/400 V performance
At 400 V, standard circuit rated value: 15 kW at 40 °C.
At 400 V, standard circuit rated value: 15 kW at 40 °C.
200 … 480 V AC operating voltage
Operating voltage at standard circuit rated value: 200 … 480 V.
Operating voltage at standard circuit rated value: 200 … 480 V.
110 … 230 V AC/DC control supply
Control supply voltage: 110 … 230 V at AC and 110 … 230 V at DC.
Control supply voltage: 110 … 230 V at AC and 110 … 230 V at DC.
Screw terminals and integrated bypass
Screw-type terminals are used for the main current circuit and the auxiliary and control circuit. Integrated bypass contact system: Yes.
Screw-type terminals are used for the main current circuit and the auxiliary and control circuit. Integrated bypass contact system: Yes.
Applications
Motor starting with soft starting
Soft starter for controlled starting of a motor in the main current circuit.
Soft starter for controlled starting of a motor in the main current circuit.
Motor overload protection
Provides motor overload protection.
Provides motor overload protection.
External reset use
Supports external reset in the control function.
Supports external reset in the control function.
Frequently Asked Questions
What is Siemens 3RW4027-1BB14?
It is a SIRIUS soft starter, product designation Soft starter, in size S0.
What are the current and power ratings of 3RW4027-1BB14?
Operational current at 40 °C is 32 A, and at 400 V the standard circuit rating is 15 kW.
What control supply does 3RW4027-1BB14 use?
The control supply voltage is 110 … 230 V, with AC/DC control supply and 50 Hz or 60 Hz frequency.
How is 3RW4027-1BB14 connected?
It uses screw-type terminals for the main current circuit and for the auxiliary and control circuit.
