GFR2B05010

GFR Series - 1 Pole+N, B 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. Type/ Cat. No. GFR2B05010 GFR2B06010 GFR2B08010 GFR2B10010 GFR2B12010 GFR2B13010 GFR2B15010 GFR2B16010 GFR2B20010 GFR2B25010 Rated Voltage 277V AC 277V AC 277V AC 277V AC 277V AC 277V AC 277V AC 277V AC 277V AC 277V AC Technical Specification Number of Poles Voltage Rating (maximum) Ground Fault Sensitivity Level Short Circuit Withstand Rating Rated Frequency Trip Characteristic Cable Size & Tightening Torque Electrical Life Mechanical Life Dimensions 1+N 277V AC 10 mA 30 kA 50/60Hz B Stranded Wire: 16 - 3 AWG (1.5 mm2 - 25 mm2) @ 17.5 lb-in (2.0 Nm) 16 - 10 AWG (1.5 mm2 - 5.5 mm2) @ 17.5 lb-in (2.0 Nm) Solid Wire: 18 - 16 AWG (1 mm2 - 1.5 mm2) @ 25 lb-in (2.8 Nm) 6000 Switching Operations 10000 Switching Operations Ground Fault Sensing & Relaying Equipment E483493 GFR Series RCBO Overload Trip Curves Characteristics B, C, D 7200 3600 2400 1200 t(s) Rated Current 5.0A 6.0A 8.0A 10A 12A 13A 15A 16A 20A 25A 600 480 360 240 120 60 40 Switch off time UL 1077 Ground Fault Relay with Overload Protection Ordering Information 20 10 5 1 0.5 (to convert to inches multply by 0.03937) B 0.1 85mm C D 0.05 45mm 35 mm 0.01 2 1 1.05 1.35 3 4 5 6 7 8 9 10 71mm 60mm 44mm Rated current multiple 12 14 16 18 20 n xI t(s) GFR Series RCBO Ground Fault Trip Curve 17.5mm Weight 217 g 0.5 0.4 0.2 0.3 0.15 0.1 GFR Series RCBO Short Circuit Withstand Rating V 1+N Pole 277V AC I ≤20A IR 10kA >20A 10kA Backup None Class J Fuse 250A or lower Altech L Series Branch Circuit Breaker Altech R Series Supplementary Protector 0.05 0.04 0.03 0.02 0.015 0.01 0.005 0.5 1 0.85 1.15 5 I∆ I∆n 1 35 Royal Road • Flemington, NJ 08822-6000 • t 908-806-9400 • f 908-806-9490 • www.altechcorp.com GFR Series - 1 Pole+N, B Trip, 10 mA Applicable voltage systems and wiring examples. L1 GFR2 277 V 480 V 480 V L2 277 V 480 V LOAD N 277 V L3 L1 400 V 400 V Ground Fault Relay with Overload Protection 240 V GFR2 L2 UL 1077 240 V 400 V LOAD N 240 V L3 L1 120 V 208 V GFR2 208 V L2 120 V 208 V LOAD N 120 V L3 LOAD N 2 N L1 120 V 1 N LINE 240 V 120 V L2 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