Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Product lifecycle | Active Product |
| Size of engine control device | S0 |
| Operational current at 40 °C rated value | 32 A |
| At 400 V, standard circuit at 40 °C rated value | 15 kW |
| Operating voltage at standard circuit rated value | 200 … 480 V |
| Control supply voltage type | AC/DC |
| Control supply voltage 1 at AC | 24 V |
| Control supply voltage 1 at DC | 24 V |
| Operating frequency rated value | 50 … 60 Hz |
| Protection class IP on the front according to IEC 60529 | IP20 |
| Type of electrical connection for main current circuit | screw-type terminals |
Applications
Soft starting for a motor with adjustable current limitation.
Motor overload protection in the control circuit.
Key Features
Product designation: Soft starter.
Size of engine control device: S0. Operational current at 40 °C rated value: 32 A.
At 400 V, standard circuit at 40 °C rated value: 15 kW.
Operating voltage at standard circuit rated value: 200 … 480 V.
Control circuit voltage type: AC/DC. Control supply voltage 1 at AC: 24 V. Control supply voltage 1 at DC: 24 V.
Type of electrical connection for main current circuit and auxiliary and control circuit: screw-type terminals. Fastening method: screw and snap-on mounting.
Frequently Asked Questions
What is Siemens 3RW4027-1BB04?
It is a SIRIUS soft starter with product designation Soft starter and size S0.
What are the main electrical ratings of 3RW4027-1BB04?
Operational current at 40 °C rated value: 32 A. At 400 V, standard circuit at 40 °C rated value: 15 kW. Operating voltage at standard circuit rated value: 200 … 480 V.
What control supply does 3RW4027-1BB04 use?
Control supply voltage type: AC/DC. Control supply voltage 1 is 24 V at AC and 24 V at DC.
How is 3RW4027-1BB04 connected and mounted?
Type of electrical connection for main current circuit and auxiliary and control circuit: screw-type terminals. Fastening method: screw and snap-on mounting.
