POWR-GARD(R) Accessories Current Transformers (CTs) CT SELECTION GUIDE product GROUND-FAULT CT Trip Level Page # No CTs required 1 mA - 20 mA - PGR-3100 No CTs required N/A - PGR-3200 No CTs required Warnings at 30 k & 50 k, Alarm at 10 k - PGR-4300 No CTs required 100 A - 1200 A - PGR-4704 PGC-5000 Series 10 mA - 5 A 34 PGC-2000 Series (200 A Primary) 12 A - 200 A 34 PGC-3000 Series - EFCT (5 A Primary) 100 mA - 5 A 34 PGC-5000 Series (30-A Primary) 600 mA - 30 A 34 PGC-2000 Series (200-A Primary) 10 A - 198 A 34 PGC-3000 Series (5-A Primary) 50 mA - 4.95 A 34 PGC-5000 Series (30-A Primary) 300 mA - 29.7 A 34 PGN-1000 CTs are included in system N/A - PGN-3000 CTs are included in system N/A - PGR-6100 PGC-5000 Series 10 mA - 3 A 34 PGR-6130 No CTs required N/A - PGR-6150 PGC-6000 Series 0.4 - 150 A 35 PGC-2000 Series (200-A Primary) 10 A - 200 A 34 PGC-3000 Series (5-A Primary) 50 mA - 5 A 34 PGC-5000 Series (30-A Primary) 300 mA - 30 A 34 PGR-5330 PGR-5701 PGR-6200* PGR-6210* Same as PGR-6200. Existing CT can be used in most cases. PGC-3000 Series (5-A Primary) 50 mA - 5 A 34 PGC-5000 Series (30-A Primary) 300 mA - 30 A 34 Standard Iron core CTs (ie 50:5; 100:5, 200:5) 1 to 100% of CT Primary - No CTs required N/A - PGC-2000 Series (200-A Primary) 10 A - 200 A 34 PGC-3000 Series (5-A Primary) 50 mA - 5 A 34 PGC-5000 Series (30-A Primary) 300 mA - 30 A 34 PGM-8134 PGC-4000 Series 0.5 A - 12.5 A 34 PGM-8325 PGC-2000 Series 0.5 A - 4 A 34 PGM-8600 No CTs required Warnings at 30 k & 50 k, Alarm at 10 k - PGR-6300* PGR-6800 PGR-7200* * 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. LEGEND: GFP (GROUND FAULT PROTECTION) MP (MOTOR PROTECTION) SM (SUPPLEMENTAL MONITORING) RG (RESISTANCE GROUNDING) (c) 2010 Littelfuse * POWR-GARD(R) Protection Relay Catalog FP (FEEDER PROTECTION) 33 www.littelfuse.com/protectionrelays A ACCESSORIES PGR-2601 POWR-GARD(R) Accessories Current Transformers PGC FAMILY Current Transformers Product PGC-2056 Phase Current Transformer PGC-2089 Phase Current Transformer PGC-3026 Ground-Fault Current Transformer PGC-3082 Ground-Fault Current Transformer PGC-3140 Ground-Fault Current Transformer PGC-31FC Flux Conditioner ACCESSORIES A PGC-4064 Current Sensor PGC-4108 Current Sensor PGC-4160 Current Sensor PGC-4210 Current Sensor PGC-5025 Ground-Fault Current Transformer PGC-5060 Ground-Fault Current Transformer PGC-5095 Ground-Fault Current Transformer PGC-5130 Ground-Fault Current Transformer PGC-5200 Ground-Fault Current Transformer www.littelfuse.com/protectionrelays Features Inner Diameter Accessory For Detects phase current or ground-fault current. (200 A primary) 56 mm (2.20") PGR-5330 PGR-5701 PGR-6200 PGR-6300 PGR-7200 PGM-8325 Detects phase current or ground-fault current. (200 A primary) 89 mm (3.50") PGR-5701 PGR-6200 PGR-6300 PGR-7200 Sensitive current transformer used to detect ground-fault current. (5 A primary) 26 mm (1.02") PGR-5330 PGR-5701 PGR-6200 PGR-6300 PGR-7200 Sensitive current transformer used to detect ground-fault current. (5 A primary) 82 mm (3.23") PGR-5330 PGR-5701 PGR-6200 PGR-6300 PGR-7200 Sensitive current transformer used to detect ground-fault current. (5 A primary) 140 mm (5.50") PGR-5701 PGR-6200 PGR-6300 PGR-7200 Fits in the PGC-3082 window to reduce saturation and prevent false operation due to large surge currents. 70 mm (2.75") PGC-3082 Detects ground-fault current. 64 mm (2.50") PGM-8134 Detects ground-fault current. 108 mm (4.25") PGM-8134 Detects ground-fault current. 160 mm (6.31") PGM-8134 Detects ground-fault current. 210 mm (8.25") PGM-8134 Current Transformer for low-level ground-fault situations, flux conditioner is standard. (30 A primary) 25 mm (0.98") PGR-4704 PGR-5330 PGR-5701 PGR-6100 PGR-6200 PGR-6300 PGR-7200 Current Transformer for low-level ground-fault situations, flux conditioner is standard. (30 A primary) 60 mm (2.36") PGR-4704 PGR-5330 PGR-5701 PGR-6100 PGR-6200 PGR-6300 PGR-7200 Current Transformer for low-level ground-fault situations, flux conditioner is standard. (30 A primary) 95 mm (3.74") PGR-4704 PGR-5701 PGR-6100 PGR-6200 PGR-6300 PGR-7200 Current Transformer for low-level ground-fault situations, flux conditioner is standard. (30 A primary) 130 mm (5.12") PGR-4704 PGR-5701 PGR-6100 PGR-6200 PGR-6300 PGR-7200 Current Transformer for low-level ground-fault situations, flux conditioner is standard. (30 A primary) 200 mm (7.87") PGR-4704 PGR-5701 PGR-6100 PGR-6200 PGR-6300 PGR-7200 34 (c) 2010 Littelfuse * POWR-GARD(R) Protection Relay Catalog Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Littelfuse: PGC-2056 PGC-2089 PGC-3026 PGC-3082 PGC-3140 PGC-31FC PGC-4064 PGC-4108 PGC-4160 PGC4210 PGC-5025 PGC-5060 PGC-5095 PGC-5130 PGC-5200