| Designation | No.of elements | ||||||||||||||||||||||||||
| Diagram | AMPERE CODE | A12-00 | A16-00 | A20-00 | |||||||||||||||||||||||
| Single-Pole Switch | show | 01 | 1 | 1 | 1 | ||||||||||||||||||||||
| Double-Pole Switch | show | 02 | 1 | 1 | 1 | ||||||||||||||||||||||
| Three-Pole Switch | show | 03 | 2 | 2 | 2 | ||||||||||||||||||||||
| Four-Pole Switch | show | 04 | 2 | 2 | 2 | ||||||||||||||||||||||
| Single-Pole Changeover Switch | show | 05 | 1 | 1 | 1 | ||||||||||||||||||||||
| Double-Pole Changeover Switch | show | 06 | 2 | 2 | 2 | ||||||||||||||||||||||
| Three-Pole Changeover Switch | show | 07 | 3 | 3 | 3 | ||||||||||||||||||||||
| Four-Pole Line Changeover Snitch | show | 07/2N | 1 | 1 | 1 | ||||||||||||||||||||||
| Three-pole Reversing Snitch | show | 08 | 3 | 3 | 3 | ||||||||||||||||||||||
| Pole Changing Switch | show | 09 | 4 | 4 | 4 | ||||||||||||||||||||||
| Star-Delta Changeover Switch | show | 10 | 4 | 4 | 4 | ||||||||||||||||||||||
| Star-Delta Changeover and Reversing Switch | show | 11 | 6 | 6 | 6 | ||||||||||||||||||||||
| Pole Changing and Reversing Switch Without '0' | show | 11/1 | 6 | 6 | 6 | ||||||||||||||||||||||
| Star-Delta Changeover and Reversing Switch | show | 12 | 6 | 6 | 6 | ||||||||||||||||||||||
| Pole Changing and Star-Delta Changeover Switch | show | 13 | 6 | 6 | 6 | ||||||||||||||||||||||
| Ammeter Changeover Switch | show | 14 | 5 | 5 | 5 | ||||||||||||||||||||||
| PHASE-NEUTRAL voltmeter Changeover Switch | show | 15 | 2 | 2 | 2 | ||||||||||||||||||||||
| PHASE-PHASE Voltmeter Changeover Switch | show | 16 | 2 | 2 | 2 | ||||||||||||||||||||||
| PHASE-PHASE Volmeter Changeover Switch For 2 Three-Phase Voltages | show | 17 | 4 | 4 | 4 | ||||||||||||||||||||||
| PHASE-PHASE and PHASE-NEUTRAL Vottmeter Changeover Switch | show | 18 | 3 | 3 | 3 | ||||||||||||||||||||||
| PHASE-PHASE and 1PHASE-NEUTRAL Vottmeter Changeover Switch | show | 19 | 3 | 3 | 3 | ||||||||||||||||||||||
| Single-Pole Ammater Changeover Switch For 1 Divider | show | 20 | 1 | 1 | 1 | ||||||||||||||||||||||
| Single-Pole Ammeter Changeover Switch For 2 Dividers | show | 21 | 2 | 2 | 2 | ||||||||||||||||||||||
| Single-Pole Ammeter Changeover Switch For 3 Dividers | show | 22 | 3 | 3 | 3 | ||||||||||||||||||||||
| Single-Pole Ammeter Changeover Switch For 4 Dividers | show | 23 | 4 | 4 | 4 | ||||||||||||||||||||||
| Two-Pole Ammeter Changeover Switch For 2 Dividers | show | 24 | 3 | 3 | 3 | ||||||||||||||||||||||
| Two-Pole Ammeter Changeover Switch For 3 Dividers | show | 25 | 5 | 5 | 5 | ||||||||||||||||||||||
| Two-Pole Ammeter Changeover Switch For 4 Dividers | show | 26 | 6 | 6 | 6 | ||||||||||||||||||||||
| Commutator For Wattmeter | show | 27 | 5 | 5 | 5 | ||||||||||||||||||||||
| Commutator For Power-Factor Meter | show | 28 | 5 | 5 | 5 | ||||||||||||||||||||||
| Commutator For Remote Control Switch | show | 29 | 1 | 1 | 1 | ||||||||||||||||||||||
| Commutator For Remote Control Reverser Operation | show | 30 | 2 | 2 | 2 | ||||||||||||||||||||||
| Switch For Single-Phase Motor With Auxiliary Phase | show | 31 | 2 | 2 | 2 | ||||||||||||||||||||||
| Reverser For Single-Phase Motor With Auxiliary Phase | show | 32 | 3 | 3 | 3 | ||||||||||||||||||||||
| Pole Changing Switch For Single - Phase Motor With Auxiliary Phase | show | 33 | 3 | 3 | 3 | ||||||||||||||||||||||
| Reverser for Single - Phase Motor With Centrifugal Cut-Out Switch | show | 34 | 3 | 3 | 3 | ||||||||||||||||||||||
| Three-Pole Switch With Break Self-Retum | show | 35 | 2 | 2 | 2 | ||||||||||||||||||||||
| Three-Pole Reverser with Break self-Retum | show | 36 | 3 | 3 | 3 | ||||||||||||||||||||||
| Star-Delta Starter With Self-Return tO '0' position from Star position | show | 37 | 4 | 4 | 4 | ||||||||||||||||||||||
| Star-Delta Starter with Counter—Current Braking | show | 38 | 5 | 5 | 5 | ||||||||||||||||||||||
| lPole Switch With Break Self—Retum 2 Position | show | 39 | 1 | 1 | 1 | ||||||||||||||||||||||
| lPole Switch With Break Self—Retum 3 Position | show | 40 | 1 | 1 | 1 | ||||||||||||||||||||||
| Designation | No.of elements | |||||||||||||
| diagram |  | A12-00 | A16-00 | A20-00 | ||||||||||
| 1 Pole Changeover Switch 2 Position, without "0" | show | CM12 | 1 | 1 | 1 | |||||||||
| 1 Pole Changeover Switch 2 Position, with "0" | show | CM012 | 1 | 1 | 1 | |||||||||
| 1 Pole Changeover Switch 2 Position, with "0" where as previous contacts are connected | show | CM012/1 | 1 | 1 | 1 | |||||||||
| 1 Pole Changeover Switch 3 Position, without "0" | show | CM13 | 2 | 2 | 2 | |||||||||
| 1 Pole Changeover Switch 3 Position, with "0" | show | CM013 | 2 | 2 | 2 | |||||||||
| 1 Pole Changeover Switch 3 Position, with "0" where as previous contacts are connected | show | CM013/1 | 2 | 2 | 2 | |||||||||
| 1 Pole Changeover Switch 4 Position, without "0" | show | CM14 | 2 | 2 | 2 | |||||||||
| 1 Pole Changeover Switch 4 Position, with "0" | show | CM014 | 3 | 3 | 3 | |||||||||
| 1 Pole Changeover Switch 5 Position, without "0" | show | CM15 | 3 | 3 | 3 | |||||||||
| 1 Pole Changeover Switch 5 Position, with "0" | show | CM015 | 3 | 3 | 3 | |||||||||
| 1 Pole Changeover Switch 6 Position, without "0" | show | CM16 | 3 | 3 | 3 | |||||||||
| 1 Pole Changeover Switch 6 Position, with "0" | show | CM016 | 3 | 3 | 3 | |||||||||
| 1 Pole Changeover Switch 7 Position, without "0" | show | CM17 | 4 | 4 | 4 | |||||||||
| 1 Pole Changeover Switch 7 Position, with "0" | show | CM017 | 4 | 4 | 4 | |||||||||
| 1 Pole Changeover Switch 8 Position, without "0" | show | CM18 | 4 | 4 | 4 | |||||||||
| 2 Pole Changeover Switch 2 Position, without "0" | show | CM22 | 2 | 2 | 2 | |||||||||
| 2 Pole Changeover Switch 2 Position, with "0" | show | CM022 | 2 | 2 | 2 | |||||||||
| 2 Pole Changeover Switch 3 Position, without "0" | show | CM23 | 3 | 3 | 3 | |||||||||
| 2 Pole Changeover Switch 3 Position, with "0" | show | CM023 | 3 | 3 | 3 | |||||||||
| 2 Pole Changeover Switch 4 Position, without "0" | show | CM24 | 4 | 4 | 4 | |||||||||
| 2 Pole Changeover Switch 4 Position, with "0" | show | CM024 | 4 | 4 | 4 | |||||||||
| 2 Pole Changeover Switch 5 Position, without "0" | show | CM25 | 6 | 6 | 6 | |||||||||
| 2 Pole Changeover Switch 5 Position, with "0" | show | CM025 | 6 | 6 | 6 | |||||||||
| 2 Pole Changeover Switch 6 Position, without "0" | show | CM26 | 6 | 6 | 6 | |||||||||
| 2 Pole Changeover Switch 6 Position, with "0" | show | CM026 | 6 | 6 | 6 | |||||||||
| 2 Pole Changeover Switch 7 Position, with "0" | show | CM027 | 8 | 8 | 8 | |||||||||
| 2 Pole Changeover Switch 8 Position, without "0" | show | CM28 | 8 | 8 | 8 | |||||||||
| 3 Pole Changeover Switch 2 Position, without "0" | show | CM32 | 3 | 3 | 3 | |||||||||
| 3 Pole Changeover Switch 2 Position, with "0" | show | CM032 | 3 | 3 | 3 | |||||||||
| 3 Pole Changeover Switch 3 Position, without "0" | show | CM33 | 5 | 5 | 5 | |||||||||
| 3 Pole Changeover Switch 3 Position, with "0" | show | CM033 | 6 | 6 | 6 | |||||||||
| 3 Pole Changeover Switch 4 Position, without "0" | show | CM34 | 6 | 6 | 6 | |||||||||
| 3 Pole Changeover Switch 4 Position, with "0" | show | CM034 | 9 | 9 | 9 | |||||||||
| 3 Pole Changeover Switch 5 Position, without "0" | show | CM35 | 8 | 8 | 8 | |||||||||
| 3 Pole Changeover Switch 5 Position, with "0" | show | CM035 | 9 | 9 | 9 | |||||||||
| 3 Pole Changeover Switch 6 Position, without "0" | show | CM36 | 9 | 9 | 9 | |||||||||
| 3 Pole Changeover Switch 6 Position, with "0" | show | CM036 | 9 | 9 | 9 | |||||||||
| 3 Pole Changeover Switch 7 Position, without "0" | show | CM37 | 11 | 11 | 11 | |||||||||
| 3 Pole Changeover Switch 7 Position, with "0" | show | CM037 | 12 | 12 | 12 | |||||||||
| 3 Pole Changeover Switch 8 Position, without "0" | show | CM38 | 12 | 12 | 12 | |||||||||
| 4 Pole Changeover Switch 2 Position, without "0" | show | CM42 | 4 | 4 | 4 | |||||||||
| 4 Pole Changeover Switch 2 Position, with "0" | show | CM042 | 4 | 4 | 4 | |||||||||
| 5 Pole Changeover Switch 2 Position, with "0" | show | CM052 | 5 | 5 | 5 | |||||||||
