AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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SPECIAL SHA�T END sM/C TOOL APPLICATION BAYONET COUPLING TEXTILE MACHINE RING �RAME (�-R) TOUCH PROO� TRANS�ORMER CONTROL SWITCH EXTRA LONG SWITCH SUBSTATION CONTROL SWITCH PRODUCT RANGE CUSTOMISED SWITCHES MULTI PURPOSE SWITCH DOMESTIC/AC CONTROL PROTECTED SWITCH TEXTILE MACHINE HEAVY DUTY HANDLE VERTICAL LATHE EXTENDED TERMINALS HIGHER CURRENT �OR CU-AL TERMINATIONS SHROUDING COVER TEXTILE - �OR SA�TY EARTHING PLATE TEXTILE - �OR SA�TY 3/28 3
3 AC SWITCHES (SERIES S, SG & TP) All switches are suitable for application in AC circuits. Most of the switches are rated for 690V AC and 6 and 10 Amps alone are rated for 400V AC. AC switches characterised by the “Quick Make-Slow Break”. These switches can be applied for DC switching with derating and additional contacts in series according to the DC switching voltage. AC/DC SWITCHES (SERIES D) These switches have Quick Make-Break mechanism built in the latching design ISOLATORS These are basically ON-O�� switches, which can be used to isolate the power to a particular area of operation. These isolator switches are available in a wide range from single pole to 12 pole design. Isolators with spring return are also available upto 4 poles. Preclose contacts are used for safety circuits and for neutral and earth line. Isolators generally come under AC1/AC21 duty. Some times 3 pole ON-O�� switches are used to switch ON and O�� the motor, with fuse protection, when they must be rated for AC3/AC23A duty. CHANGEOVER SWITCHES Changeover switches, also called as Double throw switches, they are used to operate two different circuits with different numbers of inputs and output. Changeover switches without jumper are used for connecting two different circuits, from two different sources (potential free contacts). It may be due to two different operating voltages or any other incompatible lines. All Double throw switch contacts by default are of Break Before Make type (BBM) to avoid overlapping of different circuits. Overlapping changeover contacts can be offered against requirement. MULTISTEP SWITCHES These switches can also be called as Pole-Way switches, as they are generally described by Poles and Ways. Multi step switch does the function of connecting different circuits in a common supply or vice-versa. Multistep switches are basically two way switches available in 1 Pole, 2 Pole and 3 Pole versions. GANG SWITCHES These switches are called as Gang switches, as they increase the capacity of circuits by ganging. They are used for serialing and/or paralleling to derive different circuit capacity. The power of battery supply can be increased by serialing. The power of resistor can be increased by paralleling. SELECTOR SWITCHES With the help of these switches one can — Measure currents in different circuits (with or without current transformer) with a single ammeter and a switch. — Measure voltages between phases, and phase and neutral, with one switch. — Measure voltages and currents of a circuit with one voltmeter, one single switch. CONTROL SWITCHES Control Switches are a unique alternative for many of the “PUSH BUTTON” stations, where it is preferred to control a system with one switch instead of many push buttons. Many positions of the switch are possible to derive combinations. These control switches are rated for AC15/DC13. AC15 switches need to carry an inrush current of 10 times the normal operating current, while energising solenoids and coils. Hence our switches are suitably derated for AC15, while specifying the normal operating current. Control switches are used to energise contactors for controlling motor operations. Most of the switches are of spring return type to enable latching the circuit with contactor NO contact to facilitate tripping by contactor tripping device. MOTOR SWITCHES These switches directly operate the motor with AC3 or AC4 duty. They are mainly used for motor forward-reversing, star-delta, two speed forward reverse. Special switches designed to operate with a contactor with built-in tripping feature on power failure and overload are available. 3/29 APPLICATION
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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
Page 101 and 102: 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 and 140: 3 3/15 Conformance to IS 13947 (Par
Page 141 and 142: 3 ORDERING IN�ORMATION: Ordering
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: 3 3/27 B 02, STANDARD REAR MOUNTING
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
Page 195 and 196: 3 3/71 Extreme overall dimensions O
Page 197 and 198: 3 3/73 OVERALL DIMENSIONS SWITCH-DI
Page 199 and 200: 3 3/75 OVERALL DIMENSIONS SWITCH-DI
Page 201 and 202: 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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AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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