Key Features
- Soft starter designation: SIRIUS soft starter.
- Current and power rating: Values at 400 V, 40 °C standard: 162 A, 90 kW.
- Inside-delta rating: Inside-delta: 281 A, 160 kW.
- Connection and supply: 200-460 V AC, 230 V AC, screw terminals.
- Lifecycle status: Phased-out product; Start of final year of support.
- Preferred successor type: 3RW5536-6HA14.
Technical Summary
| product designation | Soft starter |
|---|---|
| product brand name | SIRIUS |
| integrated bypass contact system | Yes |
| thyristors | Yes |
| motor overload protection | Yes |
| evaluation of thermistor motor protection | Yes |
| adjustable current limitation | Yes |
| inside-delta circuit | Yes |
| operating current at 40 °C rated value | 162 A |
| operating current for 3-phase motors at inside-delta circuit at 40 °C rated value | 281 A |
| at 400 V – at standard circuit at 40 °C rated value | 90 kW |
| at 400 V – at inside-delta circuit at 40 °C rated value | 160 kW |
| operating voltage at standard circuit rated value | 200 … 460 V |
| control supply voltage 1 at AC at 50 Hz rated value | 230 V |
| control supply voltage 1 at AC at 60 Hz rated value | 230 V |
| fastening method | screw fixing |
| protection class IP on the front according to IEC 60529 | IP00; IP20 with box terminal/cover |
| product lifecycle | Start of final year of support |
Applications
- Inside-delta motor starting: Supports inside-delta circuit operation for 3-phase motors.
- Motor overload protection: Provides motor overload protection and intrinsic device protection.
Frequently Asked Questions
What is Siemens 3RW4436-6BC44?
It is a SIRIUS soft starter.
What are the current and power values for 3RW4436-6BC44 at 400 V, 40 °C?
At 400 V, 40 °C standard: 162 A and 90 kW.
What supply and control values does 3RW4436-6BC44 use?
Operating voltage at standard circuit rated value: 200 … 460 V. Control supply voltage 1 at AC: 230 V at 50 Hz and 230 V at 60 Hz.
What are the connection and mounting details for 3RW4436-6BC44?
Main current circuit uses busbar connection, auxiliary and control circuit uses screw-type terminals, fastening method is screw fixing, and the width, height, and depth are 170 mm, 200 mm, and 270 mm.
