Electricity: power supply or regulation systems – External or operator controlled – Phase controlled switching using electronic tube or a three...
Patent
1996-08-06
1997-06-03
Hecker, Stuart N.
Electricity: power supply or regulation systems
External or operator controlled
Phase controlled switching using electronic tube or a three...
323324, 323902, G05B 2402, H02J 100
Patent
active
056358270
ABSTRACT:
A power control system in a DIN rail mount assembly for switching power in a low cost, compact, and solid state for controlling electric heaters. The system can be used for single phase, three phase-two leg, and three phase-three leg. Current switching capabilities range from 30A to 50A. Variable time base, 4-20 mA process control or VAC/DC input contactor configurations can be utilized. The DIN Rail back plate includes a sliding mechanical configuration. A potting fence provides for potting of the electrical substrate and also provides a heat sink. A large cover covers finger palm safer terminals. The DIN rail assembly can also be used for supporting electrical, electromechanical, optical or other types of assemblies.
REFERENCES:
patent: 4296331 (1981-10-01), Rodriguez
patent: 4710699 (1987-12-01), Miyamoto
patent: 4743834 (1988-05-01), Rice
patent: 5138184 (1992-08-01), Keefe
patent: 5146386 (1992-09-01), Learned
Crane Lawrence A.
Judd Robert A.
Hecker Stuart N.
Watlow Electric Manufacturing Company
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