AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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ORDERING IN�ORMATION O� ACCESSORIES Description Version Cat. No. Ordering Suffix Auxiliary contact 1 NO for MG 1 ST24500 OOOO for retrofitting for MG 2 ST24501 OOOO Add- on auxiliary contact block 1 NO + 1 NC for MG 1 & MG 2 ST24502 OOOO Short-circuit signaling contact block 1 NO + 1 NC for MG 1 & MG 2 ST24503 OOOO Under voltage release 230V, 50Hz ST24504 KOOO for MG 1 & MG 2 415V, 50Hz ST24504 POOO 24V, 50Hz ST24506 GOOO Shunt trip for MG 1 & MG 2 230V, 50Hz ST24506 KOOO 415V, 50Hz ST24506 POOO DC 110-240V ST24506 ZOOO Current limiter for MG 1 Rated current = 56A Aux. Contacts 1 NO + 1 NC ST24508 OOOO 11/4 11
11 Number of poles 3 3 Max. rated current, ln (max. rated operational current, le) Plant protection A 25 63 Motor protection A 25 52 Permissible ambient temperature at full rated current °C -20 to +55 in storage °C -50 to +80 Rated operational voltage, Ue V 415 Rated frequency Hz 50/60 Rated insulation voltage, Ui V 660 Utilization category to IEC 947-2 (circuit breaker) A to IEC 947-4-1 (motor starters) AC-3 Rated short circuit breaking capacity, Icu/Ics See Selection Table DC short circuit breaking capacity Time constants for MG1/MG2: t=5ms DC 125V 1pole kA - 10 DC 150V 1pole kA 10 - DC 250V 2pole in series kA - 10 DC 300V 2pole in series kA 10 - DC 375V 3pole in series kA - 10 DC 450V 3pole in series kA 10 - Shock resistance to IEC 68, part 2 - 27 g 25 30 Mechanical endurance upto 25A / 25A upwards op. Cyls 100 000 100 000 / 30 000 Temperature compensation to IEC 947-4-1 Yes Suitability for Isolation Yes Rated impulse withstand voltage, Uimp V 6kV 8kV Phase failure sensitivity to IEC 947-4-1 Yes Terminal Capacity Cross-sections for main conductors Solid or Stranded mm2 2 x (1 to 6) 1 x 1.5 to 2 x 16 or 1 x 25 + 1 x 10 11/5 TECHNICAL DATA TECHNICAL DATA : MPCB TYPE MG1 & MG2 Standards IEC 947-1; IEC 947-2; IEC 947-4-1 MG1 MG2
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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 2/49 ACCESSORIES - ORDERING DATA
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2 Accessory Type Std. Pack Catalgou
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2 Accessory Type Std. Pack Catalgou
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2 2/57 OVERALL DIMENSIONS DIMENSION
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2 Note: All dimensions are in mm. 2
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2 2/77 OVERALL DIMENSIONS ROTARY OP
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2 2/79 OVERALL DIMENSIONS & CONNECT
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2 2/81 WIRING DIAGRAM EARTH �AULT
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3 SWITCH DISCONNECTOR �USE SD�
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3 3/1 Wide Range of SD�s suitable
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3 Sheet-steel Enclosure 3/3 SHEET S
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3 3/5 Conformance to IS 13947 (Part
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3 ORDERING IN�ORMATION: Ordering
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3 3/11 Conformance to IS 13947 (Par
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3 3/13 WIDE RANGE O� SWITCH DISCO
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3 3/15 Conformance to IS 13947 (Par
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3 ORDERING IN�ORMATION: Ordering
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3 3/19 ACCESSORIES �OR �N RANGE
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3 3/21 SELECTION TABLE �OR HANDLE
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3 �our breaking points per pole w
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3 3/25 ACCESSORIES �OR CHANGEOVER
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3 3/27 B 02, STANDARD REAR MOUNTING
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3 AC SWITCHES (SERIES S, SG & TP) A
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3 The switches of S, TP, SG & RT ty
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3 AC SWITCHES (SERIES-S,SG,RT & TP)
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3 B 33, ROUND PADLOCK Switches are
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3 B 41, DOOR CLUTCH These switches
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3 B 51, KEY OPERATED Switches suita
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3 B 19, STANDARD 22.5 Switches with
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3 Other size mounting plates at fro
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3 SG-TYPE RECTANGULAR S-TYPE STAGE
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3 ISOLATORS 60 o (ON-OFF SWITCHES)
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3 ISOLATORS 45o SPRING RETURN (ON-O
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3 CHANGE OVER SWTICHES 90 o (DOUBLE
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3 MULTI STEP SWITCHES - 60 O (POLE
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3 MULTI STEP SWTICHES - 45 o (POLE
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3 AMMETER SELCTOR SWITCHES...Contd
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3 MOTOR SWITCHES (AC3) STAR DELTA S
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3 CONTROL SWITCHES 3/61 SCRIPT PROG
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3 Example While placing the order,
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3 3/65 ORDERING IN�ORMATION CUSTO
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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 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
Page 369 and 370: 9 9/7 SALIENT �EATURES O� LIMIT
Page 371 and 372: 9 PC 600 SERIES SNAP PUSH ROD OPERA
Page 373 and 374: 9 PC 1000 SERIES SNAP WITH 1.2 KG P
Page 375 and 376: 9 9/13 TECHNICAL DATA LIMIT SWITCHE
Page 377 and 378: 9 9/15 ORDERING DATA Description Ca
Page 379 and 380: 9 9/17 SALIENT �EATURES O� TIME
Page 381 and 382: 9 9/19 ACCESSORIES Accessory Type D
Page 383 and 384: 9 9/21 RANGE AND ORDERING DATA ELEC
Page 385 and 386: 9 9/23 TECHNICAL DATA ELECTRONIC TI
Page 387 and 388: 9 Type 9/25 TECHNICAL DATA HOUR MET
Page 389 and 390: 9 ✦ Elegant and light weight. ✦
Page 391 and 392: 9 9/29 RANGE AND ORDERING DATA SELE
Page 393 and 394: 9 9/31 LENS CAP Colour SPARES Catal
Page 395 and 396: 9 BA 9S type 9/33 ACCESSORIES �IL
Page 397 and 398: 9 9/35 RANGE AND ORDERING DATA PUSH
Page 399 and 400: 9 9/37 GENERAL PURPOSE ENCLOSURES P
Page 401 and 402: 9 9/39 RANGE AND ORDERING DATA PUSH
Page 403 and 404: 9 9/41 TECHNICAL DATA Rated Voltage
Page 405 and 406: 9 Note: All dimensions are in mm. 9
Page 409 and 410: 9 9/47 PC�S-1 COMPACT TYPE Note:
Page 415 and 416: 9 9/53 Description L P Note: All di
Page 417 and 418: 11 11/1 INTRODUCTION : MOTOR PROTEC
Page 419: 11 Rated current (A) 11/3 SELECTION
Page 423 and 424: 11 11/7 I-t CHARACTERISTICS - MG1
Page 425 and 426: 11 Note: All dimensions are in mm.
Page 427 and 428: 12 Series 26 D 19 M Type MPP-D MPP-
Page 429 and 430: 12 Series 16 � 20 � Type MD �
Page 431 and 432: 12 OVERALL DIMENSIONS - SERIES 19 M
Page 433 and 434: 12 OVERALL DIMENSIONS - SERIES 61 M
Page 435 and 436: 12 Output, Qn kVAr 10 13.91 20�31
Page 437 and 438: 12 Output, Qn kVAr 30 15+15 41.78 1
Page 439 and 440: 12 Output, Qn kVAr 45 15 x 3 62.68
Page 441 and 442: 12 Output, Qn kVAr 80 20 x 4 111.43
Page 443 and 444: ✦ Current Reversal Indication ✦
Page 445 and 446: Accuracy Class 1.0 - IEC 1036 / IS
Page 447 and 448: PRODUCT HIGHLIGHTS DISPLAY PARAMETE
Page 449 and 450: ORDERING IN�ORMATION ELECTRONIC E
Page 451 and 452: Note: All dimensions are in mm. OVE
Page 453 and 454: Note: All dimensions are in mm. PAN
Page 455 and 456: DISTRIBUTION BOARDS & ENCLOSURES 30
Page 457 and 458: DISTRIBUTION BOARDS & ENCLOSURES co
Page 459 and 460: NEW PROTECTION DEVICES miniature ci
Page 461 and 462: NEW AUTOMATION & CONTROL DEVICES is
Page 463 and 464: NEW AUTOMATION & CONTROL DEVICES th
Page 465 and 466: volta enclosures IP30 insulated flu
Page 467 and 468: miniature circuit breakers - Type N
Page 469 and 470: 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
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SALIENT �EATURES O� INDICATING
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ACCESSORIES Accessory Type Catalogu
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DC Voltmeters DC Ammeters RC. MOVIN
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Special DC Meters RD. SPECIAL DC ME
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TECHNICAL DATA Type of Moving iron
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AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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