Product Overview
Technical Summary
| Product designation | SIRIUS soft starter |
|---|---|
| Rated operational current, standard circuit at 40 °C | 134 A |
| Rated operational current, inside-delta circuit at 40 °C | 232 A |
| Motor power at 400 V, standard circuit at 40 °C | 75 kW |
| Motor power at 400 V, inside-delta circuit at 40 °C | 132 kW |
| Operating voltage | 200 … 460 V AC |
| Control supply voltage | 230 V AC at 50 Hz or 60 Hz |
| Main current circuit connection | Busbar connection |
| Auxiliary and control circuit connection | Screw-type terminals |
| Mounting | Screw fixing |
| Front protection class | IP00; IP20 with box terminal/cover |
Key Features
- Product designation: SIRIUS soft starter with integrated bypass contact system and thyristors.
- Rated operational current: 134 A at 40 °C in a standard circuit; 232 A at 40 °C for 3-phase motors in an inside-delta circuit.
- Motor power at 400 V: 75 kW at 40 °C in a standard circuit; 132 kW at 40 °C in an inside-delta circuit.
- Supply and connections: Operating voltage: 200 … 460 V AC; control supply: 230 V AC at 50 Hz or 60 Hz; main current circuit: busbar connection; auxiliary and control circuit: screw-type terminals.
- Lifecycle: Start of final year of support. Preferred successor type: 3RW5535-6HA14.
Frequently Asked Questions
What does Siemens order number 3RW4435-6BC44 identify?
It identifies a SIRIUS soft starter with an integrated bypass contact system and thyristors.
Which specifications distinguish the 3RW4435-6BC44 variant?
The listed variant has 134 A at 40 °C in a standard circuit, 232 A at 40 °C in an inside-delta circuit, and 75 kW at 400 V in a standard circuit.
What connections should be checked for this soft starter?
The main current circuit uses a busbar connection, while the auxiliary and control circuit uses screw-type terminals.
What should be checked when requesting a quotation?
Check the complete order number 3RW4435-6BC44, then provide the required quantity and destination.
