# IEC motor-starter form: motor starter 1 pole normally closed (power) Canonical URL: https://eloragrid.ai/symbols/iec-motor-starter-form-motor-starter-1-pole-normally-closed-power Publisher: Elora Grid Updated: 2026-10-28 Lookup label: KM Drawing use: Schematic Reference families: IEC, Manufacturer ## Symbol convention Convention: IEC Form: Motor Starter 1 Pole Normally Closed (Power) Autodesk IEC-60617 Symbol Preview: Motor Starters, HMS22P / VMS22P. This identifies the publisher's library context; exact IEC graphics and database identities are not asserted. Motor-starter form form: Motor Starter 1 Pole Normally Closed (Power). ## In plain English ### What does IEC motor-starter form: motor starter 1 pole normally closed (power) mean? A motor starter uses an operating coil and power contacts to control the motor feeder. The coil belongs to the control circuit; the main contacts carry motor current. Auxiliary contacts report or interlock operation but do not replace the main poles. This entry identifies the motor starter 1 pole normally closed (power) form in the publisher's IEC-context family. ### A simple example A start command can energise the starter coil while the linked main poles connect the motor supply. Reuse the same device tag on the coil and contacts, then cross-reference overload and short-circuit protection as distinct parts of the feeder. The normally-closed designation starts with a conducting output or closed contact in the documented reference condition; operation changes that state. ### What the drawings help you do The contact illustration is a functional view of one pole, not a complete motor starter or a proof of fault protection. Coil voltage, duty, overload coordination and the number of linked poles come from the chosen equipment and design. ### This particular reference Motor-starter form form: Motor Starter 1 Pole Normally Closed (Power). This entry adds the motor starter 1 pole normally closed (power) detail to the broader motor-starter form family. The contact illustration is a functional view of one pole, not a complete motor starter or a proof of fault protection. Coil voltage, duty, overload coordination and the number of linked poles come from the chosen equipment and design. ### Terms - Normally open / normally closed: The contact state in the normal condition defined for the drawing. - Coil: A wound conductor that can produce a magnetic field when energised. - Signal: Electrical information passed between devices, rather than necessarily the main power supply. Concept diagram: Identify the device and form → Read the connections and state → Check the equipment reference A guide to reading this reference. The original symbol illustration and its drawing notes appear below; these boxes are not a wiring diagram. - [Autodesk IEC-60617 Symbol Preview: Motor Starters](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-447B81E9-A99C-447D-A25B-C2C061D43BC3.htm) ## What it represents A motor starter uses an operating coil and power contacts to control the motor feeder. The coil belongs to the control circuit; the main contacts carry motor current. Auxiliary contacts report or interlock operation but do not replace the main poles. This entry identifies the motor starter 1 pole normally closed (power) form in the publisher's IEC-context family. A start command can energise the starter coil while the linked main poles connect the motor supply. Reuse the same device tag on the coil and contacts, then cross-reference overload and short-circuit protection as distinct parts of the feeder. The normally-closed designation starts with a conducting output or closed contact in the documented reference condition; operation changes that state. The contact illustration is a functional view of one pole, not a complete motor starter or a proof of fault protection. Coil voltage, duty, overload coordination and the number of linked poles come from the chosen equipment and design. ## How to read it - The normally-closed designation starts with a conducting output or closed contact in the documented reference condition; operation changes that state. - The contact illustration is a functional view of one pole, not a complete motor starter or a proof of fault protection. Coil voltage, duty, overload coordination and the number of linked poles come from the chosen equipment and design. ## Information to show or reference - Use one starter tag across coil, main poles and auxiliaries. - Identify the control supply and the main power path. - Reference motor protection and the complete pole arrangement. ## Important distinction This entry adds the motor starter 1 pole normally closed (power) detail to the broader motor-starter form family. The contact illustration is a functional view of one pole, not a complete motor starter or a proof of fault protection. Coil voltage, duty, overload coordination and the number of linked poles come from the chosen equipment and design. ## Facts - Drawing form: Motor Starter 1 Pole Normally Closed (Power) - Public vendor block names: HMS22P / VMS22P. Autodesk identifiers, not standards database IDs. - Drawing purpose: motor-starter form - Graphic scope: Independently authored educational illustration; not certified standard geometry, a terminal pinout or a product footprint. ## Public references - [Autodesk IEC-60617 Symbol Preview: Motor Starters](https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-447B81E9-A99C-447D-A25B-C2C061D43BC3.htm) — Autodesk. Public Motor Starters table explicitly lists HMS22P / VMS22P with this operating or connection form. Vendor graphics are linked, not copied. ## Graphic scope Independent original educational concept illustration by Elora Grid. Not a certified standards graphic or manufacturer footprint. Unitless; not to scale. Original artwork licence: https://creativecommons.org/licenses/by/4.0/. Publisher material is linked only.