4
Electrical Specifications
Standard Water
Unit Model No.
Unit
KW
120V 208V 240V 480V 600V
No. of
Heaters
Heater KW
Control Circuit
Voltage
ES-3 3 25.0 14.4 12.5 6.3 5.0 3 1.0 24 vac
ES-4.5 4.5 37.5 21.6 18.8 9.4 7.5 3 1.5 24 vac
ES-5.5 6.0 28.8 25.0 12.5 10.0 3 2.0 24 vac
ES-7.5 7.5 36.1 31.3 15.6 12.5 3 2.5 24 vac
ES-11 10.5 21.9 17.5 3 3.5 24 vac
ES-14 13.5 28.1 22.5 3 1.5 24 vac
ES-15 15 31.3 25.0 3 5.0 24 vac
ES-16.5 16.5 34.4 27.5 3 5.5 24 vac
ES-19.5 19.5 40.6 32.5 3 6.5 24 vac
ES-22 21 43.8 35.0 6 3.5 24 vac
ES-28 27 56.3 45.0 6 4.5 24 vac
ES-30 30 62.5 50.0 6 5.0 24 vac
ES-33 33 68.8 55.0 6 5.5 24 vac
ES-39 39 81.3 65.0 6 6.5 24 vac
ES-42 42 87.5 70.0 6 7.0 24 vac
ES-45 45 93.8 75.0 9 5.0 24 vac
ES-49.5 49.5 103.1 82.5 9 5.5 24 vac
ES-58.5 58.5 121.9 97.5 9 6.5 24 vac
ES-63 63 131.3 105.0 9 7.0 24 vac
ES-66 66 137.5 110.0 12 5.5 24 vac
ES-78 78 162.5 130.0 12 6.5 24 vac
ES-84 84 175.0 140.0 12 7.0 24 vac
ES-102 102 170.0 12 8.5 24 vac
Single Phase Amperage†
Standard Water
Unit Model No.
Unit
KW 208V 240V 480V 600V
No. of
Heaters
Heater KW
Control Circuit
Voltage
ES-3 3 8.3 7.2 3.6 2.9 3 1.0 24 vac
ES-4.5 4.5 12.5 10.8 5.4 4.3 3 1.5 24 vac
ES-5.5 6.0 16.6 14.4 7.2 5.8 3 2.0 24 vac
ES-7.5 7.5 20.8 18.0 9.0 7.2 3 2.5 24 vac
ES-11 10.5 29.1 25.3 12.6 10.1 3 3.5 24 vac
ES-14 13.5 37.5 32.4 16.2 13.0 3 4.5 24 vac
ES-15 15 41.6 36.1 18.0 14.4 3 5.0 24 vac
ES-16.5 16.5 45.8 39.7 19.8 15.9 3 5.5 24 vac
ES-19.5 19.5 23.5 18.8 3 6.5 24 vac
ES-22 21 58.3 50.5 25.3 20.2 6 3.5 24 vac
ES-28 27 75.0 64.9 32.5 26.0 6 4.5 24 vac
ES-30 30 83.3 72.2 36.1 28.9 6 5.0 24 vac
ES-33 33 91.6 79.4 39.7 31.8 6 5.5 24 vac
ES-39 39 46.9 37.5 6 6.5 24 vac
ES-42 42 50.5 40.4 6 7.0 24 vac
ES-45 45 124.9 108.3 54.1 43.3 9 5.0 24 vac
ES-49.5 49.5 137.4 119.1 59.5 47.6 9 5.5 24 vac
ES-58.5 58.5 70.4 56.3 9 6.5 24 vac
ES-63 63 75.8 60.6 9 7.0 24 vac
ES-66 66 183.2 158.8 79.4 63.5 12 5.5 24 vac
ES-78 78 93.8 75.1 12 6.5 24 vac
ES-84 84 101.0 80.8 12 7.0 24 vac
ES-102 102 122.7 98.2 12 8.5 24 vac
Three Phase Amperage†
† Other voltages available upon request. Please consult factory for specific availability.