Electric Controls, 1973-1974: Reference Issue |
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Page 160
... magnetic plate . The instantaneous - trip point of a thermal - magnetic breaker usually is fixed for a certain current value - regardless of the current rating of the breaker . If a coil in series with the bimetal is used in place of ...
... magnetic plate . The instantaneous - trip point of a thermal - magnetic breaker usually is fixed for a certain current value - regardless of the current rating of the breaker . If a coil in series with the bimetal is used in place of ...
Page 161
... magnetic circuit ) . At small , sustained overloads , the field is strong enough to cause the iron core to be pulled into the coil . As the core moves , it reduces the gap in the mag- netic circuit , which in turn increases the Time Fig ...
... magnetic circuit ) . At small , sustained overloads , the field is strong enough to cause the iron core to be pulled into the coil . As the core moves , it reduces the gap in the mag- netic circuit , which in turn increases the Time Fig ...
Page 164
... magnet . The magnet , made of laminated high- permeability steel , provides the path for the magnetic field established by the coil current . This field pulls the arma- ture toward the core . Movable contacts carried by the armature ...
... magnet . The magnet , made of laminated high- permeability steel , provides the path for the magnetic field established by the coil current . This field pulls the arma- ture toward the core . Movable contacts carried by the armature ...
Common terms and phrases
actuator adjustable Allen-Bradley amps applications armature basic bimetal binary Calif CATALOG Circle circuit breaker coil components Conn contactor CONTROLS REFERENCE ISSUE Corp counter Cutler-Hammer cycle delay devices diodes ELECTRIC CONTROLS REFERENCE electromechanical Electronics element energized Engineering equipment flip-flop Foster & Allen functions gate hydraulic input Instrument limit switch load logic machine magnetic manufacturers mechanical ment mercury metal Micro Switch modules motor mounting normally Ohio operating output overtravel panel PENTON EDUCATION DIVISION Penton Plaza position pressure switch Products proximity switches pulse pushbutton range ratings reed relays reed switch reliability reset resistance rotary sealed Semiconductor sensing sensing field sensor Series shaft signal snap-acting switches solenoid specific speed spring standard stepping switches tacts temperature terminals thyristor timer tion toggle transistor Triac truth table tube valves Veeder-Root voltage volts wiper wiring