ABB OTM C Series - Introduction; Use of Symbols

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