TM
Electrical Specifi cations
Single Phase Amperage†
Standard Water
Unit Model No.
Unit
KW
120V 208V 240V 480V 600V
No. of
Heaters
Heater KW
Control Circuit
olta
e
ES-3 3 25 14.4 12.5 6.3 5 3 1 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 28.8 25 12.5 10 3 2 24 vac
ES-7.5 7.5 36.1 31.3 15.6 12.5 3 2.5 24 vac
cav 425.335.719.125.0111-SE
cav 425.135.221.825.3141-SE
cav 4253523.135151-SE
cav 425.535.724.435.615.61-SE
cav 425.635.236.045.915.91-SE
cav 425.36538.341222-SE
cav 425.46543.657282-SE
cav 4256055.260303-SE
cav 425.56558.863333-SE
cav 425.66563.189393-SE
cav 4276075.782424-SE
cav 4259578.395454-SE
cav 425.595.281.3015.945.94-SE
cav 425.695.799.12
15.855.85-SE
cav 42795013.1313636-SE
cav 425.5210115.7316666-SE
cav 425.6210315.2618787-SE
cav 427210415714848-SE
cav 425.821071201201-SE
Three Phase Amperage†
Standard Water
Unit Model No.
Unit
KW
208V 240V 480V 600V
No. of
Heaters
Heater KW
Control Circuit
olta
e
ES-3 3 8.3 7.2 3.6 2.9 3 1 24 vac
ES-4.5 4.5 12.5 10.8 5.4 4.3 3 1.5 24 vac
ES-5.5 6 16.6 14.4 7.2 5.8 3 2 24 vac
ES-7.5 7.5 20.8 18 9 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 3 4.5 24 vac
ES-15 15 41.6 36.1 18 14.4 3 5 24 vac
ES-16.5 16.5 45.8 39.7 19.8 15.9 3 5.5 24 vac
cav 425.638.815.325.915.91-SE
ES-22 21 58.3 50.5 25.3 20.2 6 3.5 24 vac
ES-28 27 75 64.9 32.5 26 6 4.5 24 vac
ES-30 30 83.3 72.2 36.1 28.9 6 5 24 vac
ES-33 33 91.6 79.4 39.7 31.8 6 5.5 24 vac
cav 425.665.739.649393-SE
cav 42764.045.052424-SE
ES-45 45 124.9 108.3 54.1 43.3 9 5 24 vac
ES-49.5 49.5 137.4 119.1 59.5 47.6 9 5.5 24 vac
cav 425.6
93.654.075.855.85-SE
cav 42796.068.573636-SE
cav 425.5215.364.976666-SE
cav 425.6211.578.398787-SE
ca
v 427218.081014848-SE
cav 425.8212.897.221201201-SE
† Other voltages available upon request. Please consult factory for specifi c availability.