

Model 803 Slim · Slim Random DC to AC Solid State Relay · UL approved
UNI 803 RDA 58 90 01 + B-24 HEAT SINK + DIN RAIL
90 A · Random solid state relay.
Specifications
- Input
- 4-32VDC/4-16mA
- Input LED Indication
- Output
- 24-580(47-63 Hz), 90 Amp
- PIV
- 1400, I²T : 7200A²S for 9.6mS
- Random Switching
- Body insulation
- 4kV for 1min
- I/P. to O/P. insulation
- 8kV for 1min
- Short Circuit Protection by “B” Curve DP MCB
- 63Amp Load Current/63Amp “B” Curve DP MCB
- Short Circuit Current Rating
- 10kA for <3mS
Load current by heat sink
Rated at 40 °C ambient, from Unison's derating tables.
B-2434 Amp
B-4818 A x 2 = 36 Amp
(18 A / phase across 2 phases)
B-7220 A x 3 = 60 Amp
(20 A / phase across 3 phases)
B-9620 A x 4 = 80 Amp
(20 A / phase across 4 phases)
A-190 Heat Sink without Fan36 A x 3 = 108 Amp
(36 A / phase across 3 phases)
A-190 Heat Sink With Fan40 A x 3 = 120 Amp
(40 A / phase across 3 phases)
| Heat Sink / Mounting | Rated Load Current @ 40 °C |
|---|---|
| B-24 | 34 Amp |
| B-48 | 18 A x 2 = 36 Amp |
| B-72 | 20 A x 3 = 60 Amp |
| B-96 | 20 A x 4 = 80 Amp |
| A-190 Heat Sink without Fan | 36 A x 3 = 108 Amp |
| A-190 Heat Sink With Fan | 40 A x 3 = 120 Amp |
Same series












