CT Selection Table

	Ground Fault Protection (GFP)
RELAY	GROUND-FAULT CT		Trip Level
PGR-2601	No CTs required		1 mA – 20 mA
PGR-3100	No CTs required		N/A
PGR-3200	No CTs required		Warnings at 30 kΩ & 50 kΩ, Alarm at 10 kΩ
PGR-4300	No CTs required		100 A – 1200 A
PGR-4704	PGC-5000 Series		10 mA – 5 A
PGR-5330	PGC-2000 Series (200 A Primary)		12 A – 200 A
	PGC-3000 Series - EFCT (5 A Primary)		100 mA – 5 A
	PGC-5000 Series (30-A Primary)		600 mA – 30 A
PGR-5701	PGC-2000 Series (200-A Primary)		10 A – 198 A
	PGC-3000 Series (5-A Primary)		50 mA – 4.95 A
	PGC-5000 Series (30-A Primary)		300 mA – 29.7 A
	Resistance Grounding (RG)
RELAY	GROUND-FAULT CT		Trip Level
PGN-1000	CTs are included in system		N/A
PGN-3000	CTs are included in system		N/A
	Motor Protection (MP)
RELAY	GROUND-FAULT CT		Trip Level
PGR-6100	PGC-5000 Series		10 mA – 3 A
PGR-6130	No CTs required		N/A
PGR-6150	PGC-6000 Series		0.4 – 150 A
PGR-6200*	PGC-2000 Series (200-A Primary)		10 A – 200 A
	PGC-3000 Series (5-A Primary)		50 mA – 5 A
	PGC-5000 Series (30-A Primary)		300 mA – 30 A
PGR-6210*	Same as PGR-6200. Existing CT can be used in most cases.
PGR-6300*	PGC-3000 Series (5-A Primary)		50 mA – 5 A
	PGC-5000 Series (30-A Primary)		300 mA – 30 A
	Standard Iron core CTs (ie 50:5; 100:5, 200:5)		1 to 100% of CT Primary
PGR-6800	No CTs required		N/A
	Feeder Protection (FP)
RELAY	GROUND-FAULT CT		Trip Level
PGR-7200*	PGC-2000 Series (200-A Primary)		10 A – 200 A
	PGC-3000 Series (5-A Primary)		50 mA – 5 A
	PGC-5000 Series (30-A Primary)		300 mA – 30 A
	Supplemental Monitoring (SM)
RELAY	GROUND-FAULT CT		Trip Level
PGM-8134	PGC-4000 Series		0.5 A – 12.5 A
PGM-8325	PGC-2000 Series		0.5 A – 4 A
PGM-8600	No CTs required		Warnings at 30 kΩ & 50 kΩ, Alarm at 10 kΩ

* Phase CTs should be selected with a primary rating of 100 – 300% of rated current to maintain specified accuracy. CTs with a 1-A or 5-A secondary are accepted.