Product Overview
Applications
Provides soft starting for 3-phase AC motors through standard or inside-delta circuit operation.
Provides motor overload protection with adjustable motor current and thermistor motor protection evaluation.
Technical Summary
| Rated current, standard circuit | 162 A at 40 °C |
|---|---|
| Rated current, inside-delta circuit | 281 A at 40 °C |
| Motor power at 400 V, standard circuit | 90 kW at 40 °C |
| Motor power at 400 V, inside-delta circuit | 160 kW at 40 °C |
| Operating voltage | 200 … 460 V AC |
| Control supply | 230 V AC at 50 Hz or 60 Hz |
| Main connection | Busbar connection |
| Auxiliary and control connection | Screw-type terminals |
| Mounting | Screw fixing; vertical mounting surface +/-90° rotatable and +/- 22.5° tiltable to the front and back |
| Front protection | IP00; IP20 with box terminal/cover |
| Lifecycle | Start of final year of support |
Key Features
162 A at 40 °C in standard circuit; 281 A at 40 °C in inside-delta circuit.
90 kW at 40 °C in standard circuit; 160 kW at 40 °C in inside-delta circuit.
Operating voltage: 200 … 460 V AC in standard and inside-delta circuits; control supply: 230 V AC at 50 Hz or 60 Hz.
Has integrated bypass contact system, intrinsic device protection, motor overload protection, evaluation of thermistor motor protection, external reset, and adjustable current limitation.
Main current circuit uses busbar connection; auxiliary and control circuits use screw-type terminals. Fastening method: screw fixing.
Start of final year of support. Successor is SIRIUS 3RW5; preferred successor type is >>3RW5536-6HA14<<.
Frequently Asked Questions
What is the exact product and component type?
It is Siemens SIRIUS 3RW4436-6BC44, a soft starter.
What current and motor power does this configuration support?
At 40 °C, it has 162 A and 90 kW in standard circuit, or 281 A and 160 kW in inside-delta circuit.
What connections and mounting method does it use?
The main current circuit uses a busbar connection, auxiliary and control circuits use screw-type terminals, and fastening uses screw fixing.
What should be included with a quotation request?
Specify the required quantity, destination, schedule context, and whether additional BOM line items should be included.
