Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1987-03-06
1988-08-30
Orsino, Jr., Joseph A.
Communications: electrical
Condition responsive indicating system
Specific condition
340691, 335 17, 337 79, G08B 2100
Patent
active
047680253
ABSTRACT:
A blown circuit breaker indicator utilizing an illuminating device such as a light-emitting diode for indicating whether either a thermal electrical or magnetic circuit breaker has been tripped. The indicating device is provided in a circuit parallel to the main switch of the circuit breaker and includes a reactive element such as a capacitor. The value of the capacitor is less than or equal to 11,000 picofarads.
REFERENCES:
patent: 4652867 (1987-03-01), Masot
Hofsass Jeffery A.
Orsino Jr. Joseph A.
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