Skip to main content
Unison Model 901
UNI 901 PHT 24 200 420 CU2 + A-100 HEAT SINK + DIN RAIL with dimensions
Dimensions and terminals, from Unison's catalogue photograph of UNI 901 PHT 24 200 420 CU2 + A-100 HEAT SINK + DIN RAIL.

Model 901 · Analog Phase Angle Control Solid State Relay · UL approved

UNI 901 PHT 24 200 420 CU2 + A-100 HEAT SINK + DIN RAIL

200 A · Phase angle solid state relay.

Specifications

Lowest thickness 19.5mm with 2mm Copper Plate
Input
4 to 20mA/<100E or 0-10 VDC/560 Ω
Output
230VAC/440VAC (47-63 Hz), 200 Amp
Thyristor controller (Phase Angle control SSR)
PIV
1200Vpk, I²T : 25000A²S for 9.6mS
Body insulation
4kV for 1min
I/P. to O/P. insulation
6kV 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

Load current by heat sink

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

A-10080 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
A-10080 Amp
A-190 Heat Sink without Fan44 A x 3 = 132 Amp
A-190 Heat Sink With Fan52 A x 3 = 156 Amp