1 2 3 4 5 6 7 8 9 10 12 14 16 1820 GFR Series - 1 Pole+N, C Trip, 10 mA 277V AC Ground Fault Relay with Overload Protection (RCBO) The GFR Series is a combined Equipment Ground Fault Relay and Supplementary Protector (RCBO), featuring dual pole switching (live and neutral) and designed to provide protection against overloads and AC ground faults (residual current faults) as well as pulsating DC ground faults. Ordering Information Rated Type/ Rated Current Cat. No. Voltage 5.0A GFR2C05010 277V AC Ground Fault Sensing & Relaying Equipment 6.0A GFR2C06010 277V AC E483493 8.0A GFR2C08010 277V AC 10A GFR2C10010 277V AC 12A GFR2C12010 277V AC 13A GFR2C13010 277V AC 15A GFR2C15010 277V AC 16A GFR2C16010 277V AC 20A GFR2C20010 277V AC GFL Series RCBO 25A GFR2C25010 277V AC Overload Trip Curves Characteristics B, C, D 7200 Technical Specification 3600 2400 Number of Poles 1+N 1200 Voltage Rating (maximum) 277V AC 600 Ground Fault Sensitivity Level 10 mA 480 360 Short Circuit Withstand Rating 10 kA 240 Rated Frequency 50/60Hz 120 Trip Characteristic C 60 2 2 Cable Size & Tightening Torque Stranded Wire: 16 - 3 AWG (1.5 mm - 25 mm ) 17.5 lb-in (2.0 Nm) 40 2 2 16 - 10 AWG (1.5 mm - 5.5 mm ) 17.5 lb-in (2.0 Nm) 20 Solid Wire: 2 2 18 - 16 AWG (1 mm - 1.5 mm ) 25 lb-in (2.8 Nm) 10 Electrical Life 6000 Switching Operations 5 Mechanical Life 10000 Switching Operations Dimensions (to convert to inches multply by 0.03937) 1 85mm 0.5 45mm 35 mm B C D 0.1 0.05 0.01 1.05 1.35 Rated current multiple x I n GFR Series RCBO Ground Fault Trip Curve 0.5 0.4 0.2 17.5mm 0.3 Weight 217 g 0.15 0.1 GFR Series RCBO Short Circuit Withstand Rating 0.05 0.04 V I IR Backup 0.03 20A 10kA None 0.02 0.015 1+N Pole Class J Fuse 250A or lower 0.01 277V AC >20A 10kA Altech L Series Branch Circuit Breaker Altech R Series Supplementary Protector 0.005 0.5 1 5 0.85 1.15 I In 1 35 Royal Road Flemington, NJ 08822-6000 t 908-806-9400 f 908-806-9490 www.altechcorp.com UL 1077 Ground Fault Relay with Overload Protection 71mm 60mm 44mm t(s) Switch time t(s)UL 1077 Ground Fault Relay with Overload Protection GFR Series - 1 Pole+N, C Trip, 10 mA Applicable voltage systems and wiring examples. L1 GFR2 277 V 480 V 480 V L2 277 V 480 V N 277 V L3 L1 GFR2 240 V 400 V 400 V L2 240 V 400 V N 240 V L3 L1 GFR2 120 V 208 V 208 V L2 120 V 208 V N 120 V L3 GFR2 NOTE: Wiring a hot leg/phase to N terminal is not permitted. 2 35 Royal Road Flemington, NJ 08822-6000 t 908-806-9400 f 908-806-9490 www.altechcorp.com 120 V 120 V 240 V L1 N L2 LOAD LOAD LOAD LOAD 1 N LINE N 2