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SELECTION OF RELAY FOR SPECIFIC TASK
Relay Coll Selection
Mechanical Latchin Electrical Reset Relays
30 other sections not shown
alternating current ampere-turns amperes armature auxiliary contact battery blow-out coil Chapter circuit breaker circuit shown coil circuit coil is energized coil of relay combination condenser connected in series contact arrangements contact closes contact rating contacts open control circuit current flow cycle deenergized delay designed desired device direct current double-pole double-throw Dynamic Braking electrical employed flux Frame Relays heat heater impulse increase inrush insulation interrupt lamp line voltage load contacts lock-up low voltage magnetic relay magnetic structure motor mounting necessary normal position normally closed normally open normally-closed contact ohms overload pilot contact pilot instrument pole potentiometer power supply push button reactance reclose rectifier reed relay relay coil relay contact relay R2 relay type resistance resistor result reverse rotate sensitive relay short circuit shown in Fig shunt single-break solenoid spring standard Struthers-Dunn switch temperature terminals thermal relay timer torque unit usually vacuum tube volts d-c