Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size of engine control device | S0 |
| Operational current at 40 °C | 25 A |
| At 500 V power | 15 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Control supply voltage frequency | 50 … 60 Hz |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Fastening method | screw and snap-on mounting |
| Protection class IP on the front according to IEC 60529 | IP20 |
Key Features
SIRIUS soft starter
Soft starter with thyristors and an integrated bypass contact system.
Soft starter with thyristors and an integrated bypass contact system.
S0 size and 25 A rating
Size of engine control device: S0; operational current at 40 °C rated value: 25 A.
Size of engine control device: S0; operational current at 40 °C rated value: 25 A.
Motor protection functions
Motor overload protection and intrinsic device protection; external reset is supported.
Motor overload protection and intrinsic device protection; external reset is supported.
Adjustable current limitation
Current limitation is adjustable for the application.
Current limitation is adjustable for the application.
Control and power supply data
Control supply voltage: 110 … 230 V AC/DC; operating voltage at standard circuit: 400 … 600 V.
Control supply voltage: 110 … 230 V AC/DC; operating voltage at standard circuit: 400 … 600 V.
Screw terminal connections
Screw-type terminals are used for the main current circuit and the auxiliary and control circuit.
Screw-type terminals are used for the main current circuit and the auxiliary and control circuit.
Applications
Motor soft starting
For soft starting a motor with adjustable current limitation.
For soft starting a motor with adjustable current limitation.
Motor overload protection
For motor overload protection with intrinsic device protection and external reset.
For motor overload protection with intrinsic device protection and external reset.
Frequently Asked Questions
What is Siemens 3RW4026-1BB15?
Siemens 3RW4026-1BB15 is a SIRIUS soft starter in size S0.
What is the rated current of 3RW4026-1BB15?
The operational current at 40 °C rated value is 25 A.
What control supply voltage does 3RW4026-1BB15 use?
The control supply voltage is 110 … 230 V AC/DC.
Which terminal type does 3RW4026-1BB15 use?
It uses screw-type terminals for the main current circuit and the auxiliary and control circuit.
What protection and control functions are included in 3RW4026-1BB15?
It includes motor overload protection, intrinsic device protection, external reset, and adjustable current limitation.
