SSR407T5-A-3P3 is a three-phase soft starter for 400 V induction motors. It supports smooth ramp-up/ramp-down and includes a built-in bypass to reduce heat and losses.
🔧 Technical Highlights:
- Rated current: 7.5 A
- Suitable motor power: 3.8 kW at 400 V
- Main supply: 400 V three-phase (50/60 Hz)
- Control supply: 110–240 V AC (code A)
- Start/stop ramp: 0–30 s (adjustable)
- Initial voltage: 30–70% (adjustable)
- Protections: overcurrent, overload, phase loss/missing phase, phase imbalance, phase sequence, SCR overtemperature
- Bypass relay: built-in
- Comms: RS485 Modbus (optional)
- Ingress protection: IP21
✅ Benefits:
- Reduces mechanical stress and inrush current for motors and gearboxes
- Built-in bypass lowers heat and cabinet footprint
- Comprehensive protections improve uptime and safety
- Simple wiring with clear terminal labelling
- Supports external control and optional Modbus monitoring
🚀 Applications:
- Pumps, fans and blowers
- Compressors and HVAC plant
- Conveyors and material handling
- Mixers, crushers and mills
- General industrial automation panels
Delivers controlled motor starting with integrated protection for reliable industrial service.
FAQs
- Q: Does it include a built-in bypass?
A: Yes. The bypass relay is built in, saving panel space and reducing heat during run.
- Q: What control voltage does this variant use?
A: This model uses a 110–240 V AC control supply.