Control transformers ensure the safe operation of measuring devices with 24 VAC supply voltage for electical control panels.

Product Code
Nominal Power (VA) (at 50°C)
Short Term Power (VA)
Weight (kg)
Terminal Diameter
A (mm)
B (mm)
C (mm)
D (mm)
E (mm)
F (mm)
H (mm)
230V / 24V Control Transformers
ENT.PST.2324.25 25 51 1 4 mm² 66 76 80 50 64 80 5*8
ENT.PST.2324.50 50 97 1,5 4 mm² 84 76 91 64 64 82 5*8
400V / 24V Control Transformers
ENT.PST.4024.250 250 584 3,4 4 mm² 96 102 99 84 87 114 6*9
ENT.PST.4024.320 320 749 4,4 4 mm² 120 90 127 90 93 92 6*9
ENT.PST.4024.400 400 909 5,5 4 mm² 120 102 127 90 95 106 7*13
ENT.PST.4024.500 500 1241 7,1 4 mm² 120 122 127 90 109 126 7*13
ENT.PST.4024.630 630 1556 7,6 10 mm² 150 113 141 122 89 120 7*13
400 - 230 / 24V Alternative Input 15-0-15 V Control Transformers - Primary Voltage (V) 400
ENT.PST.A4024.25 25 51 1 4 mm² 66 76 80 50 64 80 5*8
ENT.PST.A4024.50 50 97 1,5 4 mm² 84 76 91 64 64 82 5*8
ENT.PST.A4024.100 100 218 2 4 mm² 84 76 91 64 64 96 6*9
ENT.PST.A4024.160 160 344 2,4 4 mm² 96 89 99 84 74 100 6*9
ENT.PST.A4024.200 200 460 2,9 4 mm² 96 89 99 84 74 100 6*9
ENT.PST.A4024.250 250 584 3,4 4 mm² 96 102 99 84 87 114 6*9
ENT.PST.A4024.320 320 749 4,4 4 mm² 120 90 127 90 93 92 6*9
ENT.PST.A4024.400 400 909 5,5 4 mm² 120 102 127 90 95 106 7*13
ENT.PST.A4024.500 500 1241 7,1 4 mm² 120 122 127 90 109 126 7*13
ENT.PST.A4024.630 630 1556 7,6 10 / 4 mm² 150 113 141 122 89 120 7*13
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