Key Features
- Soft starter design: SIRIUS soft starter with integrated bypass contact system and thyristors.
- Motor protection functions: Includes intrinsic device protection, motor overload protection, evaluation of thermistor motor protection, and adjustable current limitation.
- Electrical ratings: At 400 V and 40 °C, the standard circuit rating is 1214 A and 710 kW, and the inside-delta rating is 2103 A and 1200 kW.
- Connections: Busbar connection for the main current circuit and screw-type terminals for the auxiliary and control circuit.
- Lifecycle status: Phased-out product with Start of final year of support and preferred successor type >>3RW5558-6HA14<<.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Intrinsic device protection | Yes |
| Motor overload protection | Yes |
| Evaluation of thermistor motor protection | Yes |
| Adjustable current limitation | Yes |
| Inside-delta circuit | Yes |
| Insulation voltage rated value | 690 V |
| Operational current at 40 °C | 1 214 A |
| Operational current for 3-phase motors at inside-delta circuit at 40 °C | 2 103 A |
| Operating voltage at standard circuit rated value | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
| Control supply voltage frequency 1 rated value | 50 Hz |
| Control supply voltage frequency 2 rated value | 60 Hz |
| Fastening method | screw fixing |
| Protection class IP on the front according to IEC 60529 | IP00 |
| Type of electrical connection for main current circuit | busbar connection |
| Type of electrical connection for auxiliary and control circuit | screw-type terminals |
Applications
- Motor starting with reduced current: Soft starting for 3-phase motors through the standard circuit or inside-delta circuit.
- Motor protection control: Protection and monitoring of motor load with motor overload protection and thermistor motor protection evaluation.
- Inside-delta circuit integration: Use in an inside-delta circuit for motor control in installations requiring that connection method.
Frequently Asked Questions
What is Siemens 3RW4466-6BC44?
It is a SIRIUS soft starter.
What are the rated current values for Siemens 3RW4466-6BC44?
At 40 °C, the standard circuit rating is 1 214 A and the inside-delta circuit rating is 2 103 A.
What control supply does Siemens 3RW4466-6BC44 use?
The control supply is AC 230 V at 50 Hz and 60 Hz.
What connection types does Siemens 3RW4466-6BC44 use?
The main current circuit uses busbar connection, and the auxiliary and control circuit uses screw-type terminals.
What is the lifecycle status of Siemens 3RW4466-6BC44?
It is a phased-out product with Start of final year of support and preferred successor type >>3RW5558-6HA14<<.
