AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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PROTECTION THERMO-MAGNETIC CHARACTERISTICS I-t Characteristics for DN1 Release Note : �or exact values of magnetic thershold refer overcurrent release table. Thermal Characteristics shown above are for dial setting of 1.0 in DN1 overcurrent release. SALIENT �EATURES O� THERMO MAGNETIC OVERCURRENT RELEASE TYPE DN1 • Comprehensive protection - Long Time & Short Time. • Sensing through Current transformers. • Wide range of overload <strong>and</strong> short circuit setting possible with multi-tap CTs. • True RMS sensing. • Each phase can be individually adjusted for overload <strong>and</strong> short circuit settings. • Ambient temperature compensated from -50C to + 500C. • Suitable for 50/60Hz systems. • Mechanical trip test facility available. Overload Protection • Provided by bi-metals. • Continuously adjustable dial settings from 75% to 100% of CT tap. • Inverse time characteristics on overload. Short Circuit Protection • Provided by electromagnets. • Multiple settings available. • �ixed minimum impulsion time of 25 ms on short circuit by means of a flywheel to prevent tripping due to transients. 1/13 1
1 * Not recommended 1/14 PROTECTION OVERCURRENT SETTINGS �OR RELEASE TYPE DN1 Type Designation CT CT Tap Setting of Magnetic Release Thermal Current Setting (Amp.) (Amps.) (Amps.) DN1 taps M1 M2 CN-CS 400 400 320 1800 * 240 to 320 400 2300 * 300 to 400 CN-CS 630 / 630 E 630 400 2500 * 300 to 400 500 3000 3700 375 to 500 630 3600 4500 472 to 630 CN-CS 800 E/S/C/H 500 400 2700 * 300 to 400 500 3200 3900 375 to 500 800 640 3900 4900 480 to 640 800 4700 6000 600 to 800 CN-CS 1000 E/S/C/H 1000 800 4700 6000 600 to 800 1000 5700 7200 750 to 1000 CN-CS 1250 E/S/C/H 1250 1000 5700 7200 750 to 1000 1250 7000 8900 940 to 1250 CN-CS 1600 S/C/H 1600 1250 7000 8900 940 to 1250 1600 8800 11500 1200 to 1600 CN-CS 2000 E/C/H 1250 1000 5700 7200 750 to 1000 1250 7000 8900 940 to 1250 2000 1600 8800 11500 1200 to 1600 2000 11000 14000 1500 to 2000 CN-CS 2500 C/H 2500 2000 11000 14000 1500 to 2000 2500 13500 17000 1875 to 2500 CN-CS 3200 D 2000 1600 8500 11500 1200 to 1600 2000 11500 16000 1500 to 2000 3200 2000 12500 16500 1500 to 2000 2500 14000 18000 1875 to 2500 3200 17000 23000 2400 to 3200 CN-CS 3200 H1 3200 2500 14000 17500 1875 to 2500 3200 17500 22000 2400 to 3200 CN-CS 4000 C/H 4000 2000 12500 16500 1500 to 2000 2500 14000 18000 1875 to 2000 3200 17000 23000 2400 to 3200 4000 22000 29000 3000 to 4000 Operating Limits 0.8 - 1.2 of setting 1.05 - 1.2 of setting
Page 1 and 2: 1 C-POWER : C Range Page CE marked
Page 3 and 4: 1 Rating (A) 400 630 800 Type Desig
Page 5 and 6: 1 Rating (A) 1600 2000 2500 Type De
Page 7 and 8: 1 1/6 SR21 SR21E Note : 3 phase, 4
Page 9 and 10: 1 1/8 Type of Protection PROTECTION
Page 11 and 12: 1 1/10 ZONE SELECTIVE INTERLOCKING
Page 13: 1 1/12 PROTECTION SOLID STATE CHARA
Page 17 and 18: 1 1/16 ACCESSORIES ACB tripping ind
Page 19 and 20: 1 OPERATION COUNTER SRT - 2 for SR2
Page 21 and 22: 1 All Air Circuit Breakers conform
Page 23 and 24: 1 Terminal Orientation* Straight Ho
Page 25 and 26: 1 �or 800 A to 2500 A 3P/4P 1/24
Page 27 and 28: 1 �or 630A - 2000A 3P Note : All
Page 29 and 30: 1 �LAT TERMINAL CONNECTIONS 1/28
Page 31 and 32: 1 1/30 OVERALL DIMENSIONS - TYPE H
Page 33 and 34: 1 �OR �IXED ACBs - 800A to 4000
Page 35 and 36: 1 �OR DRAWOUT ACBs - 3200 D, 4000
Page 37 and 38: 1 1/36 SPRING CHARGE INDICATION (
Page 39 and 40: 2 DS Page �ixed Overload & �ixe
Page 41 and 42: 2 2/1 MOULDED CASE CIRCUIT BREAKERS
Page 43 and 44: 2 Note : �or ordering information
Page 45 and 46: 2 Note : �or ordering information
Page 47 and 48: 2 Auxiliary Contacts 2/7 ACCESSORIE
Page 49 and 50: 2 2/9 TECHNICAL DATA - DS Type Desi
Page 51 and 52: 2 2/11 TECHNICAL DATA - DTH...E Typ
Page 53 and 54: 2 2/13 TECHNICAL DATA - DH Type Des
Page 55 and 56: 2 2/15 TECHNICAL DATA - DL Type Des
Page 57 and 58: 2 2/17 TECHNICAL DATA - DTH Type De
Page 59 and 60: 2 2/19 TECHNICAL DATA - DX..S (3/4
Page 61 and 62: 2 2/21 TECHNICAL DATA - DX..H (3/4
Page 63 and 64: 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
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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
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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
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TECHNICAL DATA Type of Moving iron
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