Unitized combination starter
US4088973A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1976 |
| Grant date | May 9, 1978 |
| Priority date | — |
| Expiry date | Apr 28, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H89/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A unitized combination motor starter is provided with a single insulated housing wherein a plurality of pole units are disposed in side-by-side relationship. The pole units are electrically connected in series with an electromagnetic contactor disposed within the insulated housing and located at one end of the pole units. A spring powered contact operating mechanism for the pole units is disposed on one side of the pole units. An overload sensing electromagnet coil, provided for each of the pole units, is positioned for removal and replacement after opening the front cover of the insulated housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.