
Model 905 3-Phase · 3-PHASE Forward Reverse DC to AC Solid State Relay
UNI 905 3FR OLSPZDA 48 10 01 + E-75 HEAT SINK + DIN RAIL
10 A solid state relay.
Specifications
- 100% Semiconductor motor 3 Phase Zero Cross SSR
- Voltage and Current detection inside SSR
- Forward & Reverse - 2 Direction Motor Control
- Over load current protection and setting by POT
- Single Phasing/Unbalance/Short Circuit protection
- AUTO / Manual RESET via selection switch
- Fault feedback - RED LED & Mech relay NO/NC
- Upto 10 Amp load current (Motor rating upto 3 HP)
- Output
- 24-480 VAC (47-63 Hz), 10Amp
- PIV
- 1200Vpk, I²T : 3000A²S for 9.6mS
Load current by heat sink
Rated at 40 °C ambient, from Unison's derating tables.
E-75Upto 3 HP Motor
A-100Upto 5 HP Motor
| Heat Sink / Mounting | Rated Load Current @ 40 °C |
|---|---|
| E-75 | Upto 3 HP Motor |
| A-100 | Upto 5 HP Motor |
Same series









