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Unison Model 803 Slim
UNI 803 ZAA 48 25 28 + V-87 HEAT SINK + DIN RAIL with dimensions
Dimensions and terminals, from Unison's catalogue photograph of UNI 803 ZAA 48 25 28 + V-87 HEAT SINK + DIN RAIL.

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

UNI 803 ZAA 48 25 28 + V-87 HEAT SINK + DIN RAIL

25 A · Zero-cross solid state relay.

Specifications

Slim width 23.6 mm design
Input
100-280VAC/4-12mA,
Input RED LED Indication
Output
24-480(47-63 Hz), 25 Amp
PIV
800, I²T : 340A²S for 9.6mS
Zero Cross Over SSR design
Body insulation
4kV for 1min
I/P. to O/P. insulation
6kV for 1min
Inbuilt surge voltage protection of 2700Vrms
Long life cycle Up to 10¹¹ cycles

Load current by heat sink

Rated at 40 °C ambient, from Unison's derating tables.

V-8718 Amp
B-2420 Amp
Derating Table: Rated load current at 40 °C ambient
Heat Sink / MountingRated Load Current @ 40 °C
V-8718 Amp
B-2420 Amp