ABB OTM C Series Manuals

— INSTALL ATION AND OPER ATING INSTRUCTION Motorized change-over and transfer switches OTM_C — Motorized change-over and transfer switches 34OTM-C rev. G / 1SCC303002M0206 2 MOTORIZED CHANGE- OVER AND TR ANSFER SWITCHES, OTM _C — Table of contents 1. Introduction 04 1.1 Use of symbols 04 1.2 Explanations of abbreciations and terms 04 2. Product overview 05 3. Quick start 06 3.1 Operating the motorized change-over witch electrically: remote control 06 3.1.1 Locking electrical operation 07 3.2 Operating the motorized cahnge over switch manually; local operation 08 4. Installation 09 4.1 Mounting the motorized change-over switch 09−10 5. Dimension drawings 11−17 6. Connections 18 6.1 Mounting postitions 19 6.2 Labelling 19 7. Connecting 20 8. Operating 21 8.1 Electrical operation 21−22 8.1.1 Impulse control 23 8.1.2 Continuous control 24 8.2 Manual operation by using the handle 25 8.3 Locking 26 8.3.1 Locking the electrical operation 26 8.3.2 Locking the manual operation 26−27 9. Technical data 28−29 10. Accessories 30 10.1 Terminal clamp sets OZXA_OTZB_ 30 10.2 Bridging bars OTZC_, OTZR_ 31−34 10.3 Voltage sensing connectors OMZB_ 35 10.4 Terminal shrouds OTS_ 36−37 10.5 Reversing bars OTZR_ 38 10.6 Voltage sensing connectors OMZB_ 39−40 10.7 Auxiliary contacts OA_ 41 10.8 Dual power sourse ODPS_ 42 10.9 Handle and spare fuse storage OTVS_ 43 11. Clearances per UL 1008 44 11.1 Phase barriers OTB_ 45−46 3 MOTORIZED CHANGE- OVER AND TR ANSFER SWITCHES, OTM _C — Operation OTM_C Operation 0 I 0 0 II Switch � Close Open Close Open Switch � Switch � Switch � Operation I II I Close Open Close Open ON OFF ON ON ON ON ON ON OFF OTM_CF Switch � Switch � Close Open Close Open 0 I 0 0 II Operation OTM_CL 4 MOTORIZED CHANGE- OVER AND TR ANSFER SWITCHES, OTM _C — 1. Introduction This manual describes the installation and the basic operation of the motorized change-over and trans- fer switches, types OTM_C. The instructive part is followed by a section on available accessories. — 1.1 Use of symbols OTM_C: Motorized change-over switch, the type name OME_: Motor operator, the type name OT_C: Change-over switch, the type name OZXB_ and OZXA_: Terminal clamp sets, the type name, accessories OTZC_: Bridging bars, the type name, accessories OTS_: Terminal shrouds, the type name, accessories OA_: Auxiliary contacts, the type name, accessories ODPS_: Dual power source, the type name, accessories Caution: provides important information or warns about a situation that may have a detrimental effect on equipment. General warning: warns about a situation where something other than electrical equipment may cause physical injury to a person or damage to equipment. Hazardous voltage: warns about a situation where a hazardous voltage may cause physical injury to a person or damage to equipment. Information: provides important information about the equipment. — 1.2 Explanations of abbreviations and terms

Motorized change-over and transfer switches OTM_C Installation and operating instructions 34OTM_C / 1SCC303002M0204 all-guides com 3 1SCC303002M0204, rev. D Installation and operating instructions, OTM_C Contents Contents 1. Introduction ....................................................................................................................... 4 1.1 Use of symbols .............................................................................................................................4 1.2 Explanations of abbreviations and terms .....................................................................................4 2. Product overview .............................................................................................................. 5 3. Quick start ......................................................................................................................... 6 3.1 Operating the motorized change-over switch electrically; remote control ...................................6 3.1.1 Locking electrical operation..........................................................................................................6 3.2 Operating the motorized change-over switch manually; local operation .....................................7 4. Installation ......................................................................................................................... 8 4.1 Mounting the motorized change-over switch ...............................................................................8 4.2 Dimensional drawings.................................................................................................................10 4.3 Mounting positions .....................................................................................................................17 4.4 Labelling .....................................................................................................................................17 5. Connecting ...................................................................................................................... 18 5.1 Control circuit .............................................................................................................................18 6. Operating ......................................................................................................................... 19 6.1 Electrical operation .....................................................................................................................19 6.1.1 Impulse control ...........................................................................................................................20 6.1.2 Continuous control .....................................................................................................................21 6.2 Manual operation by using the handle .......................................................................................22 6.3 Locking .......................................................................................................................................23 6.3.1 Locking the electrical operation .................................................................................................23 6.3.2 Locking the manual operation ....................................................................................................23 7. Technical data ................................................................................................................. 25 8. Accessories ..................................................................................................................... 27 8.1 Terminal clamp sets ....................................................................................................................27 8.2 Bridging bars ..............................................................................................................................28 8.3 Terminal shrouds .........................................................................................................................31 8.4 Auxiliary contacts .......................................................................................................................34 8.5 Voltage sensing connectors........................................................................................................35 8.6 Handle and spare fuse storage ...................................................................................................36 9. UL standard switches ..................................................................................................... 37 9.1 Phase barriers .............................................................................................................................38 1SCC303002M0204, rev. D 4 Installation and operating instructions, OTM_C 1. Introduction 1. Introduction This manual describes the installation and the basic operation of the motorized change-over and transfer switches, types OTM_C. The instructive part is followed by a section on available accessories. 1.1 Use of symbols Hazardous voltage: warns about a situation where a hazardous voltage may cause physical injury to a person or damage to equipment. General warning: warns about a situation where something other than electrical equipment may cause physical injury to a person or damage to equipment. Caution: provides important information or warns about a situation that may have a detrimental effect on equipment. Information: provides important information about the equipment. 1.2 Explanations of abbreviations and terms OTM_C: Motorized change-over switch, the type name OME_: Motor operator, the type name OT_C: Change-over switch, the type name OZXB_ and OZXA_: Terminal clamp sets, the type name, accessories OTZC_: Bridging bars, the type name, accessories OTS_: Terminal shrouds, the type name, accessories OA_: Auxiliary contacts, the type name, accessories