Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size of engine control device | S0 |
| Rated operational current at 40 °C | 25 A |
| Output power at 500 V | 15 kW |
| Operating voltage | 400 … 600 V |
| Control supply voltage | 24 V AC/DC |
| Integrated bypass contact system | Yes |
| Main current circuit connection | screw-type terminals |
| Auxiliary and control circuit connection | screw-type terminals |
| Protection class IP on the front | IP20 |
Key Features
SIRIUS soft starter
Soft starter with product designation: Soft starter.
Soft starter with product designation: Soft starter.
S0 size
Size of engine control device: S0.
Size of engine control device: S0.
25 A rated operational current
At 40 °C rated value: 25 A.
At 40 °C rated value: 25 A.
15 kW at 500 V
At 500 V, standard circuit at 40 °C rated value: 15 kW.
At 500 V, standard circuit at 40 °C rated value: 15 kW.
24 V AC/DC control supply
Type of voltage of the control supply voltage: AC/DC, with control supply voltage 1 at AC and DC rated value: 24 V.
Type of voltage of the control supply voltage: AC/DC, with control supply voltage 1 at AC and DC rated value: 24 V.
Screw-type terminals and bypass contact system
Type of electrical connection for the main current circuit and auxiliary and control circuit: screw-type terminals. Integrated bypass contact system: Yes.
Type of electrical connection for the main current circuit and auxiliary and control circuit: screw-type terminals. Integrated bypass contact system: Yes.
Applications
Motor soft-starting
Used for soft-starting a motor with adjustable current limitation.
Used for soft-starting a motor with adjustable current limitation.
Motor overload protection
Used for motor overload protection with external reset.
Used for motor overload protection with external reset.
Frequently Asked Questions
What is Siemens 3RW4026-1BB05?
It is a SIRIUS soft starter with product designation: Soft starter.
What are the rated current and power for 3RW4026-1BB05?
Rated operational current at 40 °C is 25 A, and at 500 V the standard circuit rated value is 15 kW.
What control supply does 3RW4026-1BB05 use?
The control supply voltage is 24 V AC/DC.
How is 3RW4026-1BB05 connected?
The main current circuit uses screw-type terminals, and the auxiliary and control circuit also uses screw-type terminals.
