9 10 12 14 16 18 20 1 2 3 4 5 6 7 8 GFR Series - 1 Pole+N, B Trip, 100 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 GFR2B05100 277V AC Ground Fault Sensing & Relaying Equipment 6.0A GFR2B06100 277V AC E483493 8.0A GFR2B08100 277V AC 10A GFR2B10100 277V AC 12A GFR2B12100 277V AC GFR Series RCBO 13A GFR2B13100 277V AC Overload Trip Curves 15A GFR2B15100 277V AC Characteristics B, C, D 7200 16A GFR2B16100 277V AC 3600 20A GFR2B20100 277V AC 2400 25A GFR2B25100 277V AC 1200 600 30A GFR2B30100 277V AC 480 360 240 32A GFR2B32100 277V AC 120 35A GFR2B35100 277V AC 60 40A GFR2B40100 277V AC 40 20 Technical Specification 10 Number of Poles 1+N 5 Voltage Rating (maximum) 277V AC Ground Fault Sensitivity Level 100 mA Short Circuit Withstand Rating 10 kA 1 Rated Frequency 50/60Hz 0.5 Trip Characteristic B 2 2 Cable Size & Tightening Torque Stranded Wire: 16 - 3 AWG (1.5 mm - 25 mm ) 17.5 lb-in (2.0 Nm) B C D 2 2 16 - 10 AWG (1.5 mm - 5.5 mm ) 17.5 lb-in (2.0 Nm) 0.1 Solid Wire: 2 2 18 - 16 AWG (1 mm - 1.5 mm ) 25 lb-in (2.8 Nm) 0.05 Electrical Life 6000 Switching Operations Mechanical Life 10000 Switching Operations 0.01 Dimensions (to convert to inches multply by 0.03937) 1.05 1.35 Rated current multiple x I n 85mm 45mm 35 mm GFR Series RCBO Ground Fault Trip Curve 0.5 0.4 0.2 0.3 0.15 0.1 0.05 17.5mm 0.04 0.03 Weight 217 g 0.02 0.015 0.01 GFR Series RCBO Short Circuit Withstand Rating V I IR Backup 0.005 0.5 1 5 0.85 1.15 20A 10kA None I 1+N Pole Class J Fuse 250A or lower In 277V AC >20A 10kA Altech L Series Branch Circuit Breaker Altech R Series Supplementary Protector 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 off time t(s)UL 1077 Ground Fault Relay with Overload Protection GFR Series - 1 Pole+N, B Trip, 100 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