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Unison Model 901
UNI 901 POT 23 50 FULL + G-68 HEAT SINK + DIN RAIL with dimensions
Dimensions and terminals, from Unison's catalogue photograph of UNI 901 POT 23 50 FULL + G-68 HEAT SINK + DIN RAIL.

Model 901 · Phase Angle Controller by Pot

UNI 901 POT 23 50 FULL + G-68 HEAT SINK + DIN RAIL

50 A · Phase angle solid state relay.

Specifications

Lowest thickness 22.5mm with 5mm Aluminium Plate
Input
10KE POT (SINGLE TURN), Green LED
Output
0 to 230 VAC (47-63 Hz), 50 Amp
Phase Angle Control by POT with neutral
PIV
1200, I²T : 3000A²S for 9.6mS
Body insulation
4kV for 1min
I/P. to O/P. insulation
4kV for 1min
Short Circuit Protection by “B” Curve DP MCB
Resistive load Max 15 A SC protect by 16 A DP MCB
Short Circuit Current Rating
10kA for <3mS

Load current by heat sink

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

G-6825 Amp
B-4840 Amp
Derating Table: Rated load current at 40 °C ambient
Heat Sink / MountingRated Load Current @ 40 °C
G-6825 Amp
B-4840 Amp