Productselectronic
Soft Starters
Motor soft starters from Siemens (SIRIUS), Danfoss (MCD), and WEG (SSW) for controlled starting and stopping of AC motors.
DATE: 2026-05-17
Soft Starter Portfolio
Siemens SIRIUS Soft Starters
- SIRIUS 3RW30 — standard soft starter, up to 430 A
- SIRIUS 3RW40 — advanced, current-limiting, up to 430 A
- SIRIUS 3RW44 — extended diagnostics, fieldbus communication
- SIRIUS 3RW55 — latest generation, compact, IO-Link, up to 1,200 A
Danfoss MCD Soft Starters
- MCD 200 — compact, 6–210 A, basic applications
- MCD 500 — advanced, 6–1,200 A, full protection suite
- Torque control, kick-start, pump cleaning cycles
WEG SSW Soft Starters
- SSW06 — micro soft starter, 3–85 A, compact
- SSW07 — standard, 3–1,400 A, bypass contactor built-in
- SSW08 — high performance, full diagnostics, fieldbus