Macromatic's AC Current Sensing Relays are perfect for applications such as monitoring for locked rotor or load loss condition, open heater or lamp, and process control. Three versions are offered, each with optional trip current ranges of 0.5-5A, 2-20A & 5-50A:

• CAH Series - monitors both Overcurrent & Undercurrent conditions (selectable)

• COH Series - monitors Overcurrent condition only

• CUH Series - monitors Undercurrent condition only