AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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Conformance to IS 13947 (Part 3) and IEC:60947-3 Type Designation �N400 �N630 �N800 No. of poles 3+Neutral 3+Neutral 3+Neutral Neutral Isolable Isolable Isolable Service temperature °C -20 to 50 -20 to 50 -20 to50 Rated operational voltage (Ue) V 415 415 415 Rated insulation voltage (Ui) V 690 690 690 Rated impulse withstand voltage(Uimp) kV 888 Rated frequency Hz 50-60 50-60 50-60 Conventional Enclosed thermal current at 40°C A 400 630 800 Rated operational current Ie AC 20A utilization category 400 630 800 AC-21A utilization category 400 630 800 AC-22A utilization category 400 630 800 AC-23A utilization category 400 630 800 DC rating at 220V DC TECHNICAL DATA SWITCH DISCONNECTOR No.of poles in series,utilization category at rated current 2,DC22A 2,DC22A 2,DC22A Rated making capacity (436V, cosØ-0.35) A 4000 6300 8000 Rated breaking capacity (436V, cosØ-0.35) A 3200 5040 6400 Capacitor duty - 415 V 50-60Hz kVAR 175 270 270 Mechanical life (operating cycles) 10000 10000 3000 Terminal capacity (main) mm2 2x400 2x625 2x625 Terminal capacity (neutral) mm2 240 400 400 Terminal screw mm M12x40 M16x50 M16x50 Short circuit withstand current kA (duration 1 secs) 14 20 20 Rated fused short circuit current kA 100 100 50 with L&T fuses rating,A /Type Size 400/HN2 630/HN3 800/HN3 3/16 3
3 ORDERING IN�ORMATION: Ordering Suffix OOOO for all Example: �N32 Interior with handle Ordering Information - SK95541OOOO 3/17 ORDERING IN�ORMATION SWITCH DISCONNECTOR Type Designation Description Catalogue No.* �N32 Interior (with handle) SK95541 �N63 Interior (with handle) SK95540 �N100 Interior (with handle) SK95571 �N125 Interior (with handle) SK95405 �N200 Interior (with handle) SK95607 �N250 Interior (with handle) SK95608 �N315 Interior (with handle) SK95609 �N400 Interior (with handle) SK95610 �N630 Interior (with handle) SK95611 �N800 Interior (with handle) SK95551
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1 C-POWER : C Range Page CE marked
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1 Rating (A) 400 630 800 Type Desig
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1 Rating (A) 1600 2000 2500 Type De
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1 1/6 SR21 SR21E Note : 3 phase, 4
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1 1/8 Type of Protection PROTECTION
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1 1/10 ZONE SELECTIVE INTERLOCKING
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1 1/12 PROTECTION SOLID STATE CHARA
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1 * Not recommended 1/14 PROTECTION
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1 1/16 ACCESSORIES ACB tripping ind
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1 OPERATION COUNTER SRT - 2 for SR2
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1 All Air Circuit Breakers conform
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1 Terminal Orientation* Straight Ho
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1 �or 800 A to 2500 A 3P/4P 1/24
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1 �or 630A - 2000A 3P Note : All
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1 �LAT TERMINAL CONNECTIONS 1/28
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1 1/30 OVERALL DIMENSIONS - TYPE H
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1 �OR �IXED ACBs - 800A to 4000
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1 �OR DRAWOUT ACBs - 3200 D, 4000
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1 1/36 SPRING CHARGE INDICATION (
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2 DS Page �ixed Overload & �ixe
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2 2/1 MOULDED CASE CIRCUIT BREAKERS
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2 Note : �or ordering information
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2 Note : �or ordering information
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2 Auxiliary Contacts 2/7 ACCESSORIE
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2 2/9 TECHNICAL DATA - DS Type Desi
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2 2/11 TECHNICAL DATA - DTH...E Typ
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2 2/13 TECHNICAL DATA - DH Type Des
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2 2/15 TECHNICAL DATA - DL Type Des
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2 2/17 TECHNICAL DATA - DTH Type De
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2 2/19 TECHNICAL DATA - DX..S (3/4
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2 2/21 TECHNICAL DATA - DX..H (3/4
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2 2/23 TECHNICAL DATA - DM Type Des
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2 2/25 TECHNICAL DATA - D� Type D
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2 2/27 I-t CHARACTERISTIC CURVES MC
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2 2/33 125 250 I-t CHARACTERISTIC C
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2 2/35 I-t CHARACTERISTIC CURVES DX
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2 2/37 ORDERING DATA - DG RANGE MCC
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2 2/39 ORDERING DATA - DL RANGE MCC
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2 2/41 ORDERING DATA - DX..S (3 POL
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2 2/43 ORDERING DATA - DM RANGE MCC
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2 Accessory Coil Voltage / Location
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2 Accessory Coil Voltage / Location
Page 89 and 90: 2 2/49 ACCESSORIES - ORDERING DATA
Page 91 and 92: 2 Accessory Type Std. Pack Catalgou
Page 93 and 94: 2 Accessory Type Std. Pack Catalgou
Page 95 and 96: 2 Accessory Coil Voltage / Location
Page 97 and 98: 2 2/57 OVERALL DIMENSIONS DIMENSION
Page 99 and 100: 2 Note: All dimensions are in mm. 2
Page 117 and 118: 2 2/77 OVERALL DIMENSIONS ROTARY OP
Page 119 and 120: 2 2/79 OVERALL DIMENSIONS & CONNECT
Page 121 and 122: 2 2/81 WIRING DIAGRAM EARTH �AULT
Page 123 and 124: 3 SWITCH DISCONNECTOR �USE SD�
Page 125 and 126: 3 3/1 Wide Range of SD�s suitable
Page 127 and 128: 3 Sheet-steel Enclosure 3/3 SHEET S
Page 129 and 130: 3 3/5 Conformance to IS 13947 (Part
Page 131 and 132: 3 ORDERING IN�ORMATION: Ordering
Page 133 and 134: 3 3/9 Conformance to IS 13947 (Part
Page 135 and 136: 3 3/11 Conformance to IS 13947 (Par
Page 137 and 138: 3 3/13 WIDE RANGE O� SWITCH DISCO
Page 139: 3 3/15 Conformance to IS 13947 (Par
Page 143 and 144: 3 3/19 ACCESSORIES �OR �N RANGE
Page 145 and 146: 3 3/21 SELECTION TABLE �OR HANDLE
Page 147 and 148: 3 �our breaking points per pole w
Page 149 and 150: 3 3/25 ACCESSORIES �OR CHANGEOVER
Page 151 and 152: 3 3/27 B 02, STANDARD REAR MOUNTING
Page 153 and 154: 3 AC SWITCHES (SERIES S, SG & TP) A
Page 155 and 156: 3 The switches of S, TP, SG & RT ty
Page 157 and 158: 3 AC SWITCHES (SERIES-S,SG,RT & TP)
Page 159 and 160: 3 B 33, ROUND PADLOCK Switches are
Page 161 and 162: 3 B 41, DOOR CLUTCH These switches
Page 163 and 164: 3 B 51, KEY OPERATED Switches suita
Page 165 and 166: 3 B 19, STANDARD 22.5 Switches with
Page 167 and 168: 3 Other size mounting plates at fro
Page 169 and 170: 3 SG-TYPE RECTANGULAR S-TYPE STAGE
Page 171 and 172: 3 ISOLATORS 60 o (ON-OFF SWITCHES)
Page 173 and 174: 3 ISOLATORS 45o SPRING RETURN (ON-O
Page 175 and 176: 3 CHANGE OVER SWTICHES 90 o (DOUBLE
Page 177 and 178: 3 MULTI STEP SWITCHES - 60 O (POLE
Page 179 and 180: 3 MULTI STEP SWTICHES - 45 o (POLE
Page 181 and 182: 3 AMMETER SELCTOR SWITCHES...Contd
Page 183 and 184: 3 MOTOR SWITCHES (AC3) STAR DELTA S
Page 185 and 186: 3 CONTROL SWITCHES 3/61 SCRIPT PROG
Page 187 and 188: 3 Example While placing the order,
Page 189 and 190: 3 3/65 ORDERING IN�ORMATION CUSTO
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3 Note: All dimensions are in mm. 3
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3 3/71 Extreme overall dimensions O
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3 3/73 OVERALL DIMENSIONS SWITCH-DI
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3 3/75 OVERALL DIMENSIONS SWITCH-DI
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3 3/77 OVERALL DIMENSIONS SWITCH DI
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4 HIGH RUPTURING CAPACITY �USE (H
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4 4/2 TECHNICAL DATA & ORDERING IN
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4 4/4 WIDE RANGE O� BS TYPE �US
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4 4/6 TECHNICAL DATA & ORDERING IN
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4 4/10 PRE-ARCING TIME (SECONDS) CU
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5 Over Current Relays Page Types -
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5 Other Relays Page Types - MX7/5,
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5 5/2 TECHNICAL DATA THREE PHASE OV
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5 5/4 ORDERING IN�ORMATION THREE
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5 5/6 WIRING DIAGRAM CURRENT SENSIN
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5 ✦ Easy Setting through front pa
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5 5/10 ORDERING IN�ORMATION NEUTR
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5 5/12 WIRING DIAGRAM SECONDARY REL
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5 5/14 TECHNICAL DATA ✦ On line d
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5 5/16 ORDERING IN�ORMATION POWER
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5 5/18 WIRING DIAGRAM MOTOR PROTECT
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5 5/20 TECHNICAL DATA GENERATOR PRO
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5 5/22 ORDERING IN�ORMATION GENER
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5 5/24 WIRING DIAGRAM SYNCHRONISING
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5 5/26 TECHNICAL DATA VOLTAGE / �
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5 5/28 ORDERING IN�ORMATION VOLTA
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5 5/30 WIRING DIAGRAM TRANS�ORMER
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5 5/32 TECHNICAL DATA CONTROL & SUP
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5 5/34 ORDERING IN�ORMATION CONTR
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5 5/36 WIRING DIAGRAM REVERSE POWER
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6 MN9 to MN32 Page General Informat
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6 6/1 SALIENT �EATURES O� MN CO
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6 6/3 Conformance to IS 13947 (Part
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6 Mechanical �or Contactor type Q
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6 6/7 Catalogue No. suffixes for ra
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6 Auxiliary Contact Block Ie Ie Aux
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6 6/11 Catalogue No. suffixes for r
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6 Auxiliary Contact Block Ie Ie Aux
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6 6/15 Catalogue No. suffixes for r
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6 6/17 MN45 MN65 Mechanical Life Op
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6 6/19 MN185 MN225 Mechanical Life
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6 6/21 MN9W MN12W MN16W MN25W Mecha
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6 6/23 ML0 ML1 ML1.5 ML2 ML3 Mechan
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6 6/25 MM00-AC MM01-AC MM00-DC MM01
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6 6/27 ELECTRICAL LI�E CURVES - T
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6 6/29 ELECTRICAL LI�E CURVES - T
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6 6/31 TERMINAL ARRANGEMENTS - TYPE
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6 6/33 TERMINAL ARRANGEMENTS CONTRO
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7 THERMAL OVERLOAD RELAYS MN1 to MN
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7 MN12 MN12L 7/2 THERMAL OVERLOAD R
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7 7/4 �or Contactor Setting Wt Qt
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7 TECHNICAL DATA �OR THERMAL OVER
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7 7/8 I-T CHARACTERISTICS 3 POLE BA
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8 MN16 to MN65 Page 3-phase control
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8 MA25 Page 3-phase control upto 30
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8 MN16 MN25 8/2 DIRECT-ON-LINE STAR
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8 ✦ Both �ASD and SASD version
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8 ✦ Only �ASD version available
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8 Catalogue No. suffixes for rated
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8 MA25SASD/�ASD 8/10 STAR-DELTA S
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8 ML3 8/12 DIRECT-ON-LINE STARTER -
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8 ✦ Single phase and overload pro
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8 MK1 8/22 STAR-DELTA STARTERS - TY
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8 Sr.No. 1 0.125 0.09 0.4 0.3 - 0.5
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8 Sr. No. 1 1 0.75 2.1 1.21 0.9 - 1
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8 Sr. No. 1 1 0.75 1.8 1.04 1 - 1.6
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8 1 0.05 0.04 0.75 0.15 - 0.25 2 A
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8 8/38 MN16 �ASD MN25, MN32 �AS
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8 8/40 WIRING DETAILS MA25 �ASD M
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8 8/42 ML2 �ASD ML3 �ASD WIRING
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8 8/44 M�1 DOL (3 PHASE) STARTERS
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9 Cable Ducts Page Product Data - T
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9 ✦ Manufactured from specially c
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9 S.No. Channel with Cover Width x
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9 9/5 ORDERING DATA - TYPE B Descri
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9 9/7 SALIENT �EATURES O� LIMIT
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9 PC 600 SERIES SNAP PUSH ROD OPERA
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9 PC 1000 SERIES SNAP WITH 1.2 KG P
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9 9/13 TECHNICAL DATA LIMIT SWITCHE
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9 9/15 ORDERING DATA Description Ca
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9 9/17 SALIENT �EATURES O� TIME
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9 9/19 ACCESSORIES Accessory Type D
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9 9/21 RANGE AND ORDERING DATA ELEC
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9 9/23 TECHNICAL DATA ELECTRONIC TI
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9 Type 9/25 TECHNICAL DATA HOUR MET
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9 ✦ Elegant and light weight. ✦
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9 9/29 RANGE AND ORDERING DATA SELE
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9 9/31 LENS CAP Colour SPARES Catal
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9 BA 9S type 9/33 ACCESSORIES �IL
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9 9/35 RANGE AND ORDERING DATA PUSH
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9 9/37 GENERAL PURPOSE ENCLOSURES P
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9 9/39 RANGE AND ORDERING DATA PUSH
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9 9/41 TECHNICAL DATA Rated Voltage
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9 9/47 PC�S-1 COMPACT TYPE Note:
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9 9/53 Description L P Note: All di
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11 11/1 INTRODUCTION : MOTOR PROTEC
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11 Rated current (A) 11/3 SELECTION
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11 Number of poles 3 3 Max. rated c
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11 11/7 I-t CHARACTERISTICS - MG1
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11 Note: All dimensions are in mm.
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12 Series 26 D 19 M Type MPP-D MPP-
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12 Series 16 � 20 � Type MD �
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12 OVERALL DIMENSIONS - SERIES 19 M
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12 OVERALL DIMENSIONS - SERIES 61 M
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12 Output, Qn kVAr 10 13.91 20�31
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12 Output, Qn kVAr 30 15+15 41.78 1
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12 Output, Qn kVAr 45 15 x 3 62.68
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12 Output, Qn kVAr 80 20 x 4 111.43
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✦ Current Reversal Indication ✦
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Accuracy Class 1.0 - IEC 1036 / IS
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PRODUCT HIGHLIGHTS DISPLAY PARAMETE
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ORDERING IN�ORMATION ELECTRONIC E
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Note: All dimensions are in mm. OVE
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Note: All dimensions are in mm. PAN
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DISTRIBUTION BOARDS & ENCLOSURES 30
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DISTRIBUTION BOARDS & ENCLOSURES co
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NEW PROTECTION DEVICES miniature ci
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NEW AUTOMATION & CONTROL DEVICES is
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NEW AUTOMATION & CONTROL DEVICES th
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volta enclosures IP30 insulated flu
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miniature circuit breakers - Type N
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esidual current circuit breakers (R
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PROTECTION DEVICES, AUTOMATION & CO
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twilight switch The switch measures
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thermostats These devices can be us
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16A plug & socket board with SP MCB
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INDVICTA RANGE DIMENSIONS Indvicta
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SYSTEM BUILDING WITH INDVICTA DISTR
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Cosmos Phase changeover universal d
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Data Communication Components Page
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BUS US ENCLOSURE ENCLOSURE BG BG (P
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COMP COMPACT COMP CT ENCLOSURE ENCL
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COMP COMPACT COMP CT ENCLOSURES ENC
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MODULE MODULE COMBI COMBI SYSTEM SY
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EX EX ENCLOSURES ENCLOSURES KEL KEL
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482.6 482.6 MM MM (19") (19") SUBRA
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METRIC METRIC SUBRA SUBRACK SUBRA C
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SUBRA SUBRACKS/CASES SUBRA CKS/CASE
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RITT RITTAL RITT AL ELECTR ELECTRON
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RITT RITTAL RITT AL VARIO-RA ARIO-R
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WALL ALL MOUNTED MOUNTED COOLING CO
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AIR/W AIR/WATER AIR/W TER HEA HEAT
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RA RACK-MOUNTED RA CK-MOUNTED F FFA
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Bar thickness (cross-section) PLS 8
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* AWG = American Wire Gauges AWG 10
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DK DK NETW NETWORK NETW ORK ENCLOSU
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DK DK NETW NETWORK NETW ORK ENCLOSU
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DK DK SMALL SMALL FIBRE-OPTIC FIBRE
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FM FM WALL-MOUNTED ALL-MOUNTED DIST
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CS CS OUTDOOR OUTDOOR MODULAR MODUL
Page 527 and 528:
SALIENT �EATURES O� INDICATING
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ACCESSORIES Accessory Type Catalogu
Page 531 and 532:
DC Voltmeters DC Ammeters RC. MOVIN
Page 533 and 534:
Special DC Meters RD. SPECIAL DC ME
Page 535:
TECHNICAL DATA Type of Moving iron
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