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Schneider Electric EOCR-i3BZ - page 1
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Schneider Electric EOCR-i3BZ - page 2
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Schneider Electric EOCR-i3BZ - page 3
The world's first EOCR with built-in ZCT (bottom hole & terminal type) will save space, time and wiring through unique development design during installation. with compact size, possible to be applied to various panel size. the protection function added for high groud fault current. most suitable for low frequency circumstance (5Hz~, Invet ...
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Schneider Electric EOCR-i3BZ - page 4
Applications Building Office, commercial business, residence, school, hospital Industrial facilities Petrochemical, electronic, glass, steel, semiconductor, chemical, medicine, cement, paint ...
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Schneider Electric EOCR-i3BZ - page 5
Public institutions Gas, water supply and drainage, airport, train, port Control power ● 24 VDC ● 85~260 VAC/DC, 50/60 Hz Composition by function ● Earth Fault ● i3BZ, iFBZ (with Modbus RS-485) ● 3BZ2, FBZ2 (without Modbus RS-485) Contact contact ● A-Type ● 95-96(b), 97-98(a) : OL ● 57-58(a) : GR ● C-Type ● 95-96(b), 97-98(a) : ...
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Schneider Electric EOCR-i3BZ - page 6
6 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Earth fault detection by built-in ZCT Multifunctional motor protection for rated motor currents up to 80A (Definite Overcurrent protection) : Over ...
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Schneider Electric EOCR-i3BZ - page 7
7 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Item Operating Condition & Setting Range Operation Time Over Current (oc) Load current(In) exceeds threshold(Is) Definite(Def) : 0.2~30s Adjust ...
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Schneider Electric EOCR-i3BZ - page 8
8 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Over Current Rated Setting Range(A) Definite TCC : 0.5~80A Inverse & th TCC : 0.5~32A *** CAUTION : Do not use any external CT Under Current Ra ...
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Schneider Electric EOCR-i3BZ - page 9
9 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Time-current characteristic cur ve 2. Definite characteristic 3. Inverse thermal characteristic (0.5~32A) 1. Inverse characteristic (0.5~32A) ...
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Schneider Electric EOCR-i3BZ - page 10
10 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Over current and time setting tips ● Over current Setting tips in definite TCC mode 1. Over current threshold (OC) : - Set the OC at the rating ...
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Schneider Electric EOCR-i3BZ - page 11
11 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Front face 3 phase currents (In) and the leakage current are displayed every 2 seconds in sequence. Bar graph it shows the load factor to OC s ...
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Schneider Electric EOCR-i3BZ - page 12
12 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT L1 current display 2sec 2sec 2sec 2sec L2 current display Rotate L3 current display GF current 3 phase digital ammeter function Blocking displ ...
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Schneider Electric EOCR-i3BZ - page 13
1 Password 2 Selection of Phase 3 TCC Selection 4 Frequency 5 Fail Safe Reversed Phase 6 detection 7 Over Current Threshold 8 Start Delay Time 9 Over Current Duration Under Current 10 Threshold Under Current 11 Duration Earth Fault 12 (Ground Fault) Threshold 13 Earth Fault Duration 14 EF starting Delay 15 Phase Loss 16 Phase Loss Time 17 Unbalance ...
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Schneider Electric EOCR-i3BZ - page 14
Threshold of Alert output, set by % of the over current threshold (oc). If the load current is higher than this value, alert output(07-08 contact) is energized according to the setting of “ ALo:XX ” . If the load current is detected, alert output(07-08 contact) is energized. The alert threshold is no meaning for this operation. Refer to the Ale ...
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Schneider Electric EOCR-i3BZ - page 15
15 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Trip Indication Trip Indication after trip with UP/ DN button pressing Trip Cause Indication Contents of Indication L1 LED on L2 LED on L3 LED on ...
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Schneider Electric EOCR-i3BZ - page 16
16 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Wiring Examples EOCR-i3BZ/iFBZ OL : b, GR : a EOCR-i3BZ/iFBZ OL : 1a 1b, GR : 1a 3 phase line Diagram 3 phase line Diagram 3 phase line Diagram Si ...
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Schneider Electric EOCR-i3BZ - page 17
17 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Dimensions EOCR-i3BZ / 3BZ2 (Bottom Hole) EOCR-i3BZ / 3BZ2 (Teminal Type) 70 95 82 ∅ 4.5 6- M 4 21.4 21.4 108.1 45.3 53.3 91.3 3- ∅ 12 108.1 2 ...
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Schneider Electric EOCR-i3BZ - page 18
18 EOCR-i3BZ/iFBZ/3BZ2/FBZ2 EOCR-i3BZ / iFBZ : Intelligent Digital Over-Current, Earth Fault Relay with built-in ZCT, EOCR-3BZ2 / FBZ2 : Economic Digital Over-Current, Earth Fault Relay with built-in ZCT Order Code i3BZ Intelligent, panel mounting unit Basic Unit iFBZ Intelligent, flush mounting unit 3BZ2 Economic, panel mounting unit FBZ2 Econ ...
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Schneider Electric EOCR-i3BZ - page 19
19 Communication setting value Please set the Modbus communication parameters by PCON or HMI for the communication. Slave address Baud rate Parity Communication loss timeout Slave address The EOCR has slave addresses from 1 to 247. The factory default setting is 1. Baud rate The Communication speed provided is like below. 1.2kbp ...
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Schneider Electric EOCR-i3BZ - page 20
20 Communication Guide The standard connection conforms to the Modbus specifications, sepecially 2 wire multidrop serial bus diagram, presented at the website of Modbus.org in 2002 (Modbus_over_serial_line_V1.pdf, Nov.2002). Simple wiring diagram is like below. The characteristics is like below in case of a direct connection to the bus. Items Conte ...
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Schneider Electric EOCR-i3BZ - page 21
21 Communication Guide Bus connection thr ough a SCA type junction box 1. Master (PLC, PC or communication module) 2. Modbus cable (It is different according to the master side or a master having polarization combined to the other part of Bus) 3. Junction box 4. Modbus cable 5. Line terminators : 120 Ω - 0.25W Please use a cable with 2pair shiede ...
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Schneider Electric EOCR-i3BZ - page 22
Built_in ZCT catalog_EN ⓒ 2009 Samwha EOCR Ltd.-All rights reserved. 04/2009 Head Office 6 th floor, Jeil Bldg., 94-46, Youngdeungpo-Dong 7Ka, Youngdeungpo-Ku, Seoul, Korea Tel. 82 2 3473 2340 / Fax 82 2 3473 1159 Iksan Plant 574, Yongie-dong, Iksan-shi, Junbuk, Korea Tel. 82 63 835 5033 / Fax 82 63 835 4175 www.eocr.com ...
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