Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Size of engine control device | S0 |
| Operational current at 40 °C | 25 A |
| Power at 400 V | 11 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 24 V |
| Control supply voltage type | AC/DC |
| Operating frequency | 50 … 60 Hz |
| Degree of pollution | 3, acc. to IEC 60947-4-2 |
| Protection class IP on the front | IP20 |
Key Features
SIRIUS soft starter
Product designation: Soft starter.
Product designation: Soft starter.
S0 size with 25 A rating
Operational current at 40 °C rated value: 25 A.
Operational current at 40 °C rated value: 25 A.
11 kW at 400 V
At 400 V, standard circuit rated value: 11 kW.
At 400 V, standard circuit rated value: 11 kW.
24 V AC/DC control supply
Control supply voltage 1 at AC: 24 V at 50 Hz and 60 Hz; control supply voltage 1 at DC rated value: 24 V.
Control supply voltage 1 at AC: 24 V at 50 Hz and 60 Hz; control supply voltage 1 at DC rated value: 24 V.
Screw-type terminals
Type of electrical connection for main current circuit: screw-type terminals. Type of electrical connection for auxiliary and control circuit: screw-type terminals.
Type of electrical connection for main current circuit: screw-type terminals. Type of electrical connection for auxiliary and control circuit: screw-type terminals.
Integrated protection and switching features
Integrated bypass contact system: Yes. Thyristors: Yes. Intrinsic device protection: Yes. Motor overload protection: Yes.
Integrated bypass contact system: Yes. Thyristors: Yes. Intrinsic device protection: Yes. Motor overload protection: Yes.
Applications
Motor soft starting
Soft starter for controlled starting of a motor.
Soft starter for controlled starting of a motor.
Motor overload protection
Provides motor overload protection in the main circuit.
Provides motor overload protection in the main circuit.
Frequently Asked Questions
What is Siemens 3RW4026-1BB04?
A SIRIUS soft starter in S0 size.
What are the rated current and power values for 3RW4026-1BB04?
Rated current is 25 A at 40 °C, and power is 11 kW at 400 V.
What control supply does 3RW4026-1BB04 use?
24 V AC/DC control supply.
What is the operating voltage range of 3RW4026-1BB04?
200 … 480 V.
What connection method does 3RW4026-1BB04 use?
Screw-type terminals are used for the main current circuit and for the auxiliary and control circuit.
