FAQ01575 of Measuring / Motor Protective Relays FAQ

The following table shows the different connections possible. The formula under each illustration indicates the electrical current value of the heater elements under normal and abnormal conditions.

Note: Values in this table are correct when a 200 VAC, 1 kW heater is used on a single-phase or three-phase current.

^* Wire electric wires of both terminals to the Heater Element Burnout Detector "K2CU Series" correctly.