AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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PRODUCT DESIGN STANDARDS Reference standards : IEC 60255, IEC 61000 IS3231, IS8686 Dielectric test : IS 3231 / IEC 60255-5 Impulse test : IS 8686 / IEC 60255-5 H� disturbance test : IS 8686 / IEC 60255-22-1 Electrostatic discharge test : IEC 61000-4-2 Electrical fast transient : IEC 61000-4-4 Radiated electro magnetic field test : IEC 61000-4-3 Surge immunity : IEC 61000-4-5 Ring wave test : IEC 61000-4-12 Voltage dips & interruption test : IEC 61000-4-11 Power frequency magnetic test : IEC 61000-4-8 TIME - CURRENT CHARACTERISTICS (AT TMS=1) �or Trip time at TMS other than 1 Trip time = (Trip time at TMS=1) x TMS OR 50msec whichever is more A : Normal Inverse 3.0 Sec. B : Normal Inverse 1.3 Sec. C : Very Inverse D : Extreme Inverse 5/1 5
5 5/2 TECHNICAL DATA THREE PHASE OVER CURRENT AND EARTH �AULT RELAYS ✦ Display of Currents, settings, Trip data & Trip history for analysis & trouble shooting. ✦ Built in Self Supervision & Self testing feature to ensure continuous reliability. ✦ Separate Indication for power ON & Programming mode or relay fault. ✦ Separate fault indication. ✦ In MC61C - Communication with Computer & breaker control through RS 485 Port. ✦ �our User Programmable Output relays. Model MC31A MC61A MC61C Description 3 Phase O/C + E/� 3 Phase O/C + E/� + Highset 3 Phase O/C + E/� + Highset Communication and breaker control Device Code 51 RYBN 50/51 RYBN 50/51 RYBN Design Numerical Relay Numerical Relay Numerical Relay �unctions Available Lowset O/C -ls Lowset O/C -ls Lowset O/C -ls Lowset E/� -Os Highset O/C -lhs Highset O/C -lhs Lowset E/� -Os Lowset E/� -Os Highset E/� -Ohs Highset E/� -Ohs Settings O/C ls = 20-200% Step 5% O/C ls = 20-200% Step 5% O/C ls = 20-200% Step 5% E/� Os = 5-80% Step 5% E/� Os = 5-80% Step 5% E/� Os = 5-80% Step 5% HS O/C = (0.2 to 40) x In step of - HS O/C = (0.2 to 40) x In step of - HS O/C = (0.2 to 40) x In step of - 0.2 In or disable 0.2 In or disable 0.2 In or disable HS E/� = (0.1 to 20) x On step of - HS E/� = (0.1 to 20) x On step of - HS E/� = (0.1 to 20) x On step of - 0.1 On or disable 0.1 On or disable 0.1 On or disable Time Characteristics available - Time Characteristics available - Time Characteristics available - NI, VI, EI, or Definite Time NI, VI, EI, or Definite Time NI, VI, EI, or Definite Time TMS 0.1 - 1.6 Step 0.05 TMS 0.1 - 1.6 Step 0.05 TMS 0.1 - 1.6 Step 0.05 Other �eatures Site selectable Trip time Char. Site selectable Trip time Char. HS delay:0.1-2 Sec step 0.01 Sec. or Inst. Highset can be disabled RS 485 Communication Display of Currents, Trip count Display of Currents, Trip count Breaker control Self supervision feature Self supervision feature Auto doubling of highset, Relay co-ordination Burden on CT 0.25 VA on CT/Phase 0.25 VA on CT/Phase 0.25 VA on CT/Phase Burden on PT Not applicable Not applicable Not applicable Operating temp 0° to 60° C 0° to 60° C 0° to 60° C Weight < 2kg < 2kg < 2kg Burden on Auxiliary supply 10 VA 10 VA 10 VA Output Contact 1 N/O contact for self suprvn 1 N/O contact for self suprvn 1 N/O contact for self suprvn Construction Drawout Drawout Drawout Dim W x H x D in mm 121 x 158 x 224 121 x 158 x 224 121 x 158 x 224 Panel Cutout 113 x 142 113 x 142 113 x 142
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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 3/9 Conformance to IS 13947 (Part
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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
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 191 and 192: 3 Note: All dimensions are in mm. 3
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
Page 205 and 206: 4 HIGH RUPTURING CAPACITY �USE (H
Page 207 and 208: 4 4/2 TECHNICAL DATA & ORDERING IN
Page 209 and 210: 4 4/4 WIDE RANGE O� BS TYPE �US
Page 211 and 212: 4 4/6 TECHNICAL DATA & ORDERING IN
Page 215 and 216: 4 4/10 PRE-ARCING TIME (SECONDS) CU
Page 217 and 218: 5 Over Current Relays Page Types -
Page 219: 5 Other Relays Page Types - MX7/5,
Page 223 and 224: 5 5/4 ORDERING IN�ORMATION THREE
Page 225 and 226: 5 5/6 WIRING DIAGRAM CURRENT SENSIN
Page 227 and 228: 5 ✦ Easy Setting through front pa
Page 229 and 230: 5 5/10 ORDERING IN�ORMATION NEUTR
Page 231 and 232: 5 5/12 WIRING DIAGRAM SECONDARY REL
Page 233 and 234: 5 5/14 TECHNICAL DATA ✦ On line d
Page 235 and 236: 5 5/16 ORDERING IN�ORMATION POWER
Page 237 and 238: 5 5/18 WIRING DIAGRAM MOTOR PROTECT
Page 239 and 240: 5 5/20 TECHNICAL DATA GENERATOR PRO
Page 241 and 242: 5 5/22 ORDERING IN�ORMATION GENER
Page 243 and 244: 5 5/24 WIRING DIAGRAM SYNCHRONISING
Page 245 and 246: 5 5/26 TECHNICAL DATA VOLTAGE / �
Page 247 and 248: 5 5/28 ORDERING IN�ORMATION VOLTA
Page 249 and 250: 5 5/30 WIRING DIAGRAM TRANS�ORMER
Page 251 and 252: 5 5/32 TECHNICAL DATA CONTROL & SUP
Page 253 and 254: 5 5/34 ORDERING IN�ORMATION CONTR
Page 255 and 256: 5 5/36 WIRING DIAGRAM REVERSE POWER
Page 257 and 258: 6 MN9 to MN32 Page General Informat
Page 259 and 260: 6 6/1 SALIENT �EATURES O� MN CO
Page 261 and 262: 6 6/3 Conformance to IS 13947 (Part
Page 263 and 264: 6 Mechanical �or Contactor type Q
Page 265 and 266: 6 6/7 Catalogue No. suffixes for ra
Page 267 and 268: 6 Auxiliary Contact Block Ie Ie Aux
Page 269 and 270: 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
Page 467 and 468:
miniature circuit breakers - Type N
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esidual current circuit breakers (R
Page 471 and 472:
PROTECTION DEVICES, AUTOMATION & CO
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twilight switch The switch measures
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thermostats These devices can be us
Page 477 and 478:
16A plug & socket board with SP MCB
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INDVICTA RANGE DIMENSIONS Indvicta
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SYSTEM BUILDING WITH INDVICTA DISTR
Page 483 and 484:
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
Page 535:
TECHNICAL DATA Type of Moving iron
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AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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