Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Inside-delta circuit | Yes |
| Operational current at 40 °C | 162 A |
| Operational current for 3-phase motors at inside-delta circuit at 40 °C | 281 A |
| Operating voltage at standard circuit | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
| Power loss at operational current at 40 °C during operation typical | 95 W |
Applications
Soft starter function for controlled motor starting.
Inside-delta circuit operation for 3-phase motors.
Motor overload protection, thermistor motor protection evaluation and external reset support for motor protection tasks.
Key Features
Product designation: Soft starter with the SIRIUS brand.
At 400 V, 40 °C standard: 162 A, 90 kW. Inside-delta: 281 A, 160 kW.
Operating voltage: 200-460 V AC. Control supply: 230 V AC. Auxiliary and control circuit: screw-type terminals.
Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, evaluation of thermistor motor protection, external reset and adjustable current limitation.
Phased-out product. Start of final year of support. Preferred successor type is >>3RW5536-6HA14<<.
Frequently Asked Questions
What is Siemens 3RW4436-6BC44?
It is a SIRIUS soft starter.
What are the main current and power ratings of 3RW4436-6BC44?
At 400 V, 40 °C standard it is rated at 162 A and 90 kW. Inside-delta it is rated at 281 A and 160 kW.
What supply and control voltage does 3RW4436-6BC44 use?
Operating voltage is 200-460 V AC and the control supply voltage is 230 V AC.
What terminals and mounting information is given for 3RW4436-6BC44?
The auxiliary and control circuit uses screw-type terminals. The fastening method is screw fixing.
What is the lifecycle status of 3RW4436-6BC44?
It is a phased-out product with start of final year of support.
