| Current ratings up-to 90 A at 660 AC |
| AC (90-280 V) or DC (4-32 V) input |
| Input current regulated 10 mA |
| Photo isolation of input and output (up to 4000 V) |
| Zero voltage turn on |
| Dual SCR output with built-in snubber |
| LED status indicator standard |
| Updated pressure plate for easier installation of wires |
| New housing design keeps wires from twisting and breaking |
| Direct bond copper substrate |
| Internal transient protection - built-in snubber |
| 1200 V blocking voltage |
| 4000 V optical isolation |
| High surge capability |
| 4 vdc pick-up and 1 vdc dropout voltage |
| 4000 rms dielectric strength |
| 8 pF capacitance |
| -32 VDC reverse voltage protection |
| 150 A 1-cycle and 30 A 1 second surge current |
| 50 mA minimum holding current |
