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INSTRUCTION MANUAL

Protection and monitoring relay

RGU-10A

(M359B01-03-22A)

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Summary of Contents for RGU-10A

Page 1: ...INSTRUCTION MANUAL Protection and monitoring relay RGU 10A M359B01 03 22A...

Page 2: ...2 RGU 10A Instruction Manual...

Page 3: ...o connecting the device Follow all installation and maintenance in structions throughout the device s working life Pay special attention to the installation standards of the National Electrical Code R...

Page 4: ...AGE COIL 14 4 OPERATION 15 4 1 PRINCIPLE OF OPERATION 15 4 2 LED INDICATORS 15 4 3 DISPLAY 16 4 4 KEYBOARD FUNCTIONS 17 4 5 RELAY 18 4 6 DIGITAL INPUT 18 5 DISPLAY 20 5 1 DISPLAY SCREENS 20 5 2 TRIP D...

Page 5: ...purposes only and may differ from the original device SYMBOLS Table 2 Symbols Symbol Description In accordance with the relevant European directive Device covered by European Directive 2012 19 EC At...

Page 6: ...com pany and or CIRCUTOR s after sales service 2 PRODUCT DESCRIPTION The RGU 10A is a type A ultraimmunised earth leakage protection and monitoring relay that is com patible with the earth leakage tr...

Page 7: ...tage or current values The manufacturer of the device is not responsible for any damage resulting from failure by the user or installer to heed the warnings and or recommendations set out in this manu...

Page 8: ...breaker or equiv alent device to disconnect the device from the mains supply 3 3 PANEL MOUNTING ACCESSORY 72 x 72 mm Note The 72 x 72 mm panel mounting accessory is sold separately CIRCUTOR has a pan...

Page 9: ...Terminals of the RGU 10A Upper Lower Table 4 List of RGU 10A terminals Device terminals A1 A1 Power supply 5 R2 Pre alarm relay NC A2 A2 Power supply 6 C2 Pre alarm relay Common 1 R1 Trip relay NO 7...

Page 10: ...or window of the transformer 3 5 1 PANEL INSTALLATION For panel installation 4 clamping clips are provided with the transformer see Figure 5 Figure 5 Clamping clip The clamping clips must be installe...

Page 11: ...ors are defined as the phases L1 L2 and L3 and neutral Never the protection cable PE or Earth Figure 9 PE N L1 L3 L2 Figure 9 Distribution of the conductors Routing the Earth cable PE and the rest of...

Page 12: ...ted in Figure 13 can cause the transformer to lose its measurement efficiency and residual current protection Unexpected disconnections may occur in the installation if the WGC is associated to a diff...

Page 13: ...6 CONNECTION DIAGRAMS 3 6 1 CONNECTION WITH EMISSION COIL Alimentaci n Auxiliar Power Supply TRIP RESET 6 2 3 4 5 1 U CARGA LOAD L1 L2 L3 N 1S2 1S1 1S2 1S1 WGC R2 R1 7 8 19 20 A2 A1 Figure 14 Connect...

Page 14: ...Manual 3 6 2 CONNECTION WITH UNDERVOLTAGE COIL Alimentaci n Auxiliar Power Supply TRIP RESET U CARGA LOAD L1 L2 L3 N 1S2 1S1 1S2 1S1 WGC 7 8 19 20 A2 A1 6 2 3 4 5 1 R2 R1 Figure 15 Connection diagram...

Page 15: ...ual current protection of the installation such as sensitivity delay and instantaneous leakage current are shown on the display In normal operating conditions the display is shown in White Blue if in...

Page 16: ...re 17 RGU 10A display areas The data area which displays all the values measured by the device as well as the sensitivity or delay settings The unit and device status area which displays the different...

Page 17: ...w The pre alarm has been activated Red A relay has tripped due to leakage current see 5 2 TRIP DISPLAY SCREENS An Individual test has been carried out see 5 3 TEST SCREEN An error has been detected se...

Page 18: ...Figure 18 RGU 10A relay 4 6 DIGITAL INPUT The device has a digital input TRIP RESET Figure 19 to do an external trip or reset If this input is activated the relay is tripped See 5 2 TRIP DISPLAY SCREE...

Page 19: ...If the R1 trip relay is tripped when a voltage is applied to the TRIP RESET digital input the RGU 10 indicates that there has been a trip and when the voltage is no longer applied to the digital input...

Page 20: ...e main display screen shows the leakage current and the trip current and delay values Figure 23 Instantaneous leakage current Trip current Trip delay Figure 23 Main display screen Use the keys and to...

Page 21: ...d Trip current mA Trip delay Leakage current that tripped the relay mA If a trip was been generated using the TRIP RESET input it shows Trip current mA Trip delay The text EXT indicating that the trip...

Page 22: ...to the channel display screen Figure 25 Test Error 5 4 LOCK To enter the lock menu we must display the Lock screen and press the key Figure 26 Lock menu The lock configuration screen is shown If the...

Page 23: ...the lock on the device is deactivated Hold down the key for 3s to validate the data and exit the programming Note If no key is pressed for 1 minute the device will lock automatically 5 5 ERROR SCREEN...

Page 24: ...he symbol See 5 4 LOCK to modify the lock option Note In ANNEX A DIRECT SETTINGS we can see the configuration tree 6 1 TRIP CURRENT The relay s trip current is configured in this screen Use keys and t...

Page 25: ...he delay of the relay trip or the type of trip curve Use keys and to skip through the different options Configuration values Table 10 Configuration values Delay and relay curve Delay and relay curve P...

Page 26: ...ration on the RGU 10A is organised into 2 menus Figure 28 3s Pre alarm Relay Trip Relay 3s 3s Figure 28 Configuration menu Note In ANNEX B CONFIGURATION MENU we can see the configuration tree 7 1 PRE...

Page 27: ...ent at which the pre alarm will be activated according to the of the relay s trip current Alarma Press the key to enter edit mode the programming value flashes Use the keys and to modify the value Con...

Page 28: ...ss once the key 7 1 3 PRE ALARM OPERATION This screen is used to configure the operation of the pre alarm Press the key to enter edit mode the programming value flashes Use the keys and to skip throug...

Page 29: ...polarity the polarity of the contacts is reversed with respect to the standard polarity NO the pre alarm relay works with standard polarity Hold down the key for 3s to validate the data and exit edit...

Page 30: ...old down the key for 3s to validate the data and exit edit mode To skip to the next programming point press once the key 7 2 2 TRIP CURRENT LIMIT In this section the trip current limit is set which ca...

Page 31: ...t Icw 32 kA 1s Conditional short circuit differential current I c 1500 A Uimp of the voltage source 4 kV CAT III Relay outputs Quantity 2 Maximum voltage open contacts 230 V 15 Maximum current 6 A Max...

Page 32: ...ble from WGC to RGU 10A Maximum length 10 m Dimensions Figure 33 mm Weight 186 g Enclosure Self extinguishing V0 plastic Standards Low voltage switchgear and control gear Part 2 Circuit breakers Annex...

Page 33: ...000 A 1000 mA WGC 180 600 800 A 3600 A 1000 mA WGC 220x105 1000 1250 A 7500 A 3000 mA WGC 350x150 1500 2000 A 10000 A 3000 mA WGC 500x200 2500 4000 A 10000 A 3000 mA 2 Imax Maximum transient current p...

Page 34: ...DIN rail attachment With accessory PA TC WG Enclosure Polycarbonate V0 self extinguishing Standards Instrument transformers Part 1 General requirements IEC 61869 1 Instrument transformers Part 2 Addi...

Page 35: ...55 WGC 80 WGC 110 WGC 140 and WGC 180 dimensions in mm Table 18 WGC 55 WGC 80 WGC 110 WGC 140 and WGC 180 dimensions Dimensions and Weight Model A B D D Weight WGC 25 25 mm 60 5 mm 64 mm 80 g WGC 35 3...

Page 36: ...s in mm Table 19 WGC 220x105 WGC 350x150 and WGC 500x200 dimensions Dimensions in mm and Weight Model A B D D E F G H I J K Weight WGC 220x105 200 7 35 195 54 2 314 275 220 105 102 105 3 740 kg WGC 35...

Page 37: ...erived from a possible failure improper installation or improper usage of the unit Consequently this guarantee does not apply to failures occurring in the following cases Overvoltages and or electrica...

Page 38: ...38 RGU 10A Instruction Manual 11 EU DECLARATION OF CONFORMITY...

Page 39: ...39 Instruction Manual RGU 10A...

Page 40: ...40 RGU 10A Instruction Manual...

Page 41: ...10A ANNEX A DIRECT SETTINGS Trip current Delay and relay curve N S 0 4 1 0 0 2 0 3 0 5 0 8 3s mA 30mA mA mA mA mA A A A A A A A A1 A1 A1 A1 Possible values if the trip current limit has been set 7 2 2...

Page 42: ...nstruction Manual ANNEX B SETUP MENU Pre alarm current Pre alarm operation Delay of the pre alarm relay Polarity Polarity Trip current limit T1 MANU AUTO D YES no 3s 3s 3s 3s 3s 3s 3s 3s 3s 5s 3s 1s Y...

Page 43: ...43 Instruction Manual RGU 10A...

Page 44: ...CIRCUTOR S A U Vial Sant Jordi s n 08232 Viladecavalls Barcelona Tel 34 93 745 29 00 Fax 34 93 745 29 14 www circutor com central circutor com...

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