Skip to main content
Unison Model 901
UNI 901 ZDA 48 25 01 AL5 + DIN RAIL with dimensions
Dimensions and terminals, from Unison's catalogue photograph of UNI 901 ZDA 48 25 01 AL5 + DIN RAIL.

Model 901 · Zero-cross Solid State Relay

UNI 901 ZDA 48 25 01 AL5 + DIN RAIL

25 A · Zero-cross solid state relay.

Specifications

Lowest thickness 22.5mm with 5mm Aluminium Plate
Input
4-32VDC / 4-16mA
Input Green LED Indication
Output
24-480VAC (47-63 Hz), 25 Amp
PIV
800, I²T : 340A²S for 9.6mS
Zero Cross Over SSR design
Body insulation
6kV 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.

Without Heat sink10 Amp
C-5612 Amp
G-6816 Amp
Derating Table: Rated load current at 40 °C ambient
Heat Sink / MountingRated Load Current @ 40 °C
Without Heat sink10 Amp
C-5612 Amp
G-6816 Amp