GENERAL
Electrical Power Requirements: Fig Electric Heat/Electric Booster
Model Voltage Booster Rise Rated Minimum Supply Ckt. Maximum Overcurrent
(MH-60 Only) Amps Conductor Ampacity Protective Device
MH-6N/MH-6L 115/60/1 — 46 Amps 60 Amps 86 Amps
MH-6N/MH-6L 208/60/1 — 35 Amps 40 Amps 40 Amps
MH-6N/MH-6L 220/60/1 — 35 Amps 40 Amps 40 Amps
MH-6N/MH-6L 230/60/1 — 37 Amps 40 Amps 40 Amps
MH-6N/MH-6L 240/60/1 — 37 Amps 40 Amps 40 Amps
MH-6N/MH-6L 208/60/3 — 20 Amps 25 Amps 25 Amps
MH-6N/MH-6L 220/60/3 — 20 Amps 25 Amps 25 Amps
MH-6N/MH-6L 230/60/3 — 21 Amps 25 Amps 25 Amps
MH-6N/MH-6L 240/60/3 — 21 Amps 20 Amps 25 Amps
MH-6N/MH-6L 380/60/3 — 8 Amps 15 Amps 15 Amps
MH-6N/MH-6L 415/60/3 — 9 Amps 15 Amps 15 Amps
MH-6N/MH-6L 480/60/3 — 9 Amps 15 Amps 15 Amps
MH-6N/MH-6L 575/60/3 — 7 Amps 15 Amps 15 Amps
MH-60 115/60/1 — — — —
MH-60 208/60/1 40°F/23°C 71 Amps 75 Amps 75 Amps
MH-60 220/60/1 40°F/23°C 71 Amps 75 Amps 75 Amps
MH-60 230/60/1 40°F/23°C 79 Amps 90 Amps 90 Amps
MH-60 240/60/1 40°F/23°C 79 Amps 90 Amps 90 Amps
MH-60 208/60/3 40°F/23°C 40 Amps 45 Amps 45 Amps
MH-60 220/60/3 40°F/23°C 40 Amps 45 Amps 45 Amps
MH-60 230/60/3 40°F/23°C 45 Amps 50 Amps 50 Amps
MH-60 240/60/3 40°F/23°C 45 Amps 50 Amps 50 Amps
MH-60 380/60/3 40°F/23°C 26 Amps 30 Amps 30 Amps
MH-60 415/60/3 40°F/23°C 27 Amps 30 Amps 30 Amps
MH-60 480/60/3 40°F/23°C 20 Amps 25 Amps 25 Amps
MH-60 575/60/3 40°F/23°C 16 Amps 20 Amps 20 Amps
MH-60 115/60/1 — — — —
MH-60 208/60/1 — — — —
MH-60 220/60/1 — — — —
MH-60 230/60/1 — — — —
MH-60 240/60/1 — — — —
MH-60 208/60/3 70°F/39°C 57 Amps 60 Amps 60 Amps
MH-60 220/60/3 70°F/39°C 57 Amps 60 Amps 60 Amps
MH-60 230/60/3 70°F/39°C 64 Amps 70 Amps 70 Amps
MH-60 240/60/3 70°F/39°C 64 Amps 70 Amps 70 Amps
MH-60 380/60/3 70°F/39°C 35 Amps 40 Amps 40 Amps
MH-60 415/60/3 70°F/39°C 37 Amps 45 Amps 45 Amps
MH-60 480/60/3 70°F/39°C 29 Amps 35 Amps 35 Amps
MH-60 575/60/3 70°F/39°C 25 Amps 30 Amps 30 Amps
Electrical Power Requirements: Fig Steam or Gas Heat/Steam or Gas Booster
Model Voltage Booster Rise Rated Minimum Supply Ckt. Maximum Overcurrent
(D-HBT Only) Amps Conductor Ampacity Protective Device
MH-6N/MH-6L 115/60/1 — 20 Amps 25 Amps 25 Amps
MH-6N/MH-6L 208/60/1 — 12 Amps 15 Amps 15 Amps
MH-6N/MH-6L 220/60/1 — 12 Amps 15 Amps 15 Amps
MH-6N/MH-6L 230/60/1 — 11 Amps 15 Amps 15 Amps
MH-6N/MH-6L 240/60/1 — 11 Amps 15 Amps 15 Amps
MH-6N/MH-6L 208/60/3 — 6 Amps 15 Amps 15 Amps
MH-6N/MH-6L 220/60/3 — 6 Amps 15 Amps 15 Amps
MH-6N/MH-6L 230/60/3 — 6 Amps 15 Amps 15 Amps
MH-6N/MH-6L 240/60/3 — 6 Amps 15 Amps 15 Amps
MH-6N/MH-6L 380/60/3 — 4 Amps 15 Amps 15 Amps
MH-6N/MH-6L 415/60/3 — 4 Amps 15 Amps 15 Amps
MH-6N/MH-6L 480/60/3 — 3 Amps 15 Amps 15 Amps
MH-6N/MH-6L 575/60/3 — 3 Amps 15 Amps 15 Amps
MH-60 115/60/1 — — — —
MH-60 208/60/1 40°F/23°C 13 Amps 15 Amps 5 Amps
MH-60 220/60/1 40°F/23°C 13 Amps 15 Amps 15 Amps
MH-60 230/60/1 40°F/23°C 12 Amps 15 Amps 15 Amps
MH-60 240/60/1 40°F/23°C 12 Amps 15 Amps 15 Amps
MH-60 208/60/3 40°F/23°C 6 Amps 15 Amps 15 Amps
MH-60 220/60/3 40°F/23°C 6 Amps 15 Amps 15 Amps
MH-60 230/60/3 40°F/23°C 6 Amps 15 Amps 15 Amps
MH-60 240/60/3 40°F/23°C 6 Amps 15 Amps 15 Amps
MH-60 380/60/3 40°F/23°C 4 Amps 15 Amps 15 Amps
MH-60 415/60/3 40°F/23°C 4 Amps 15 Amps 15 Amps
MH-60 480/60/3 40°F/23°C 3 Amps 15 Amps 15 Amps
MH-60 575/60/3 40°F/23°C 3 Amps 15 Amps 15 Amps
MH-60 115/60/1 — — — —
MH-60 208/60/1 — — — —
MH-60 220/60/1 — — — —
MH-60 230/60/1 — — — —
MH-60 240/60/1 — — — —
MH-60 208/60/3 70°F/39°C 6 Amps 15 Amps 15 Amps
MH-60 220/60/3 70°F/39°C 6 Amps 15 Amps 15 Amps
MH-60 230/60/3 70°F/39°C 6 Amps 15 Amps 15 Amps
MH-60 240/60/3 70°F/39°C 6 Amps 15 Amps 15 Amps
MH-60 380/60/3 70°F/39°C 4 Amps 15 Amps 15 Amps
MH-60 415/60/3 70°F/39°C 4 Amps 15 Amps 15 Amps
MH-60 480/60/3 70°F/39°C 3 Amps 15 Amps 15 Amps
MH-60 575/60/3 70°F/39°C 3 Amps 15 Amps 15 Amps
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