Unison
Three Phase Solid State Relays
Three phase SSR modules and solid state starters.
Unison is an Indian manufacturer of solid state relays and thyristor power controllers for industrial heating and process control, with no moving parts. SSC Control is an authorised Unison partner, supplying the full range with genuine products, warranty and technical support across Gujarat and India.
SSR Lineup
Three Phase SSR Models
200A, 45mm
Model 901
Three phase 45mm zero cross solid state relay, up to 200A per phase for industrial AC switching.
- Load: up to 200 A per phase
- Output: 24 to 600 V AC
- Input: 4 to 32 V DC, AC control option
- Switching: zero cross, random variant
- Width: 45 mm
- Mount: panel with heat sink
Current detection, DOL
Model 905
Three phase zero cross SSR with built in current detection, acting as a solid state DOL starter with overload and single phasing protection.
- Built in voltage and current detection
- Overload protection set by potentiometer
- Single phasing, unbalance and short circuit protection
- Fault feedback via LED and relay NO / NC
- Output: 24 to 480 V AC
- Switching: zero cross
Genuine Unison
Authentic Unison products with full manufacturer warranty.
Authorised Unison Partner
SSC Control is an authorised channel partner for Unison.
Stock & Fast Delivery
Ready availability from our Ahmedabad and Baroda bases across Gujarat.
Application Sizing
SSR and thyristor sizing support from our engineering team.
Need a three phase SSR?
Our team can size the relay and protection for your three phase load or motor.