Parallel
Cartridge Heaters are usually wired in a simple parallel connection. Heaters are rated at applied voltage.
Parallel (Single Phase)
Cartridge heaters may be wired in series.
1. To reduce wattage in a system, two heaters rated at 240V wired in series will reduce the total wattage to 1/4 of its rated value when 240V is applied. Three similar heaters wired in series will reduce wattage to 1/9 of its rated value.
2. For use at higher voltage - two 120V heaters wired in series for use on 240V, or two 240V heaters wired in series for 480V.
3 Phase Delta
The most commonly used method of making 3 Phase connections. The heaters are arranged in multiples of 3 for a balanced system. |
