• Monitors AC single phase currents for overcurrent conditions
• Adjustable time delay of 0.1-10 seconds on pick-up
• Three separate current monitoring ranges covering 0.1 - 10 amperes
• External CT can be used to extend ranges
• Adjustable Pick-up Setting with either Fixed or Adjustable Drop-out Setting
• LED indicates output relay status
• Choice of compact 8 Pin SPDT or 11 Pin DPDT plug-in case
• 10A output contacts

800-238-7474
www.macromatic.com

The CO Series is used to detect an overcurrent condition. The pick-up current setting is user-adjustable within one of three ranges as shown in the Product Selection Table below. An external current transformer can be used to extend the range beyond 10 amperes.

Choose between a fixed drop-out current setting at 95% of the selected pick-up setting or an adjustable drop-out setting of 50-95% of the selected pick-up setting. The relay will energize when the monitored AC current is above the pick-up setting for a period longer than the adjustable time delay of 0.1-10 seconds. This delay prevents nuisance tripping caused by inrush currents. It will de-energize when the monitored AC current is below the drop-out setting.

8 Pin SPDT Plug-in

Pick-up Setting	Drop-out Setting	Input Voltage	Current Range Monitored	Product Number	Wiring/ Socket
Adjustable Across Monitored Range	Fixed (at 95% of Pick-up)	24VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COP01A68 COP05A68 COP10A68	8 Pin 70169-D Diagram 21
		120VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COP01A62 COP05A62 COP10A62
Adjustable Across Monitored Range	Adjustable (From 50-95% of Pick-up)	24VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COKP01A68 COKP05A68 COKP10A68
		120VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COKP01A62 COKP05A62 COKP10A62

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11 Pin DPDT Plug-in

Pick-up Setting	Drop-out Setting	Input Voltage	Current Range Monitored	Product Number	Wiring/ Socket
Adjustable Across Monitored Range	Fixed (at 95% of Pick-up)	24VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COP01A28 COP05A28 COP10A28	11 Pin 70170-D Diagram 22
		120VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COP01A22 COP05A22 COP10A22
Adjustable Across Monitored Range	Adjustable (From 50-95% of Pick-up)	24VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COKP01A28 COKP05A28 COKP10A28
		120VAC	0.1 - 1A 0.5 - 5A 1 - 10A	COKP01A22 COKP05A22 COKP10A22

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