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Unison Model 803 Slim
UNI 803 ZDA 58 200 01 - 3 NOS. SSR + A190 HEAT SINK WITH FAN with dimensions
Dimensions and terminals, from Unison's catalogue photograph of UNI 803 ZDA 58 200 01 - 3 NOS. SSR + A190 HEAT SINK WITH FAN.

Model 803 Slim · Zero-cross Slim DC to AC Solid State Relay

UNI 803 ZDA 58 200 01 - 3 NOS. SSR + A190 HEAT SINK WITH FAN

200 A · Zero-cross solid state relay.

Specifications

Slim width 23.6 mm design, Zero cross over SSR
Input
4-32VDC / 4-16mA, RED LED Indication
Output
24-580VAC(47-63 Hz), 200 Amp
PIV
1400, I²T : 25000A²S for 9.6mS
Body insulation
4kV for 1min
I/P. to O/P. insulation
8kV for 1min
Inbuilt surge voltage protection of 2700Vrms
Short Circuit Protection by “B” Curve DP MCB
Resistive load Max 115A SC protect by 125A 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-9680 Amp
A-190 Heat Sink without Fan44 A x 3 = 132 Amp
(44 A / phase across 3 phases)
A-190 Heat Sink With Fan52 A x 3 = 156 Amp
(52 A / phase across 3 phases)
Derating Table: Rated load current at 40 °C ambient
Heat Sink / MountingRated Load Current @ 40 °C
B-9680 Amp
A-190 Heat Sink without Fan44 A x 3 = 132 Amp
A-190 Heat Sink With Fan52 A x 3 = 156 Amp