Page 18 - Electromechanical Devices and Components Illustrated Sourcebook

xvi List of Illustrations

Figure 4-62 Commercial Three-Phase Contactor with Auxiliary
Contacts 56
Figure 4-63 Three-Phase Motor Controller 56
Figure 4-64 Three-Phase Motor Controller with 120 VAC
Control Circuit 56
Figure 4-65 Three-Phase Motor Controller with 120 VAC
Control Circuit 57
Figure 4-66 Three-Phase Motor Controller with Sensor Loop 57
Figure 4-67 Commercial Motor Controller with Sensor Loop 58
Figure 4-68 Three-Phase Motor Control Circuit Diagram with
Run/Automatic Mode, Sensors, and Fault Indicator Lamp 58
Figure 4-69 Motor Controller with Sensor Loop, Alarm, and
Automatic Function 59
Figure 4-70 Three-Phase Motor Reversing Circuit 59
Figure 4-71 Three-Phase Reversible Motor Controller 60
Figure 4-72 Delta/Wye Motor Controller Schematic 60
Figure 4-73 Delta/Wye Motor Controller 61
Figure 4-74 Electric Furnace Controller Schematic 61
Figure 4-75 Electric Furnace Controller 62
Figure 4-76 Double Throw Knife Switch Relay 62
Figure 4-77 Double Throw Relay 63
Figure 4-78 Four-Pole, Double Throw Reed Relay 63
Figure 4-79 Double Throw Knife Switch Relay with Pneumatic
Time Delay 63
Figure 4-80 Commercial Relay with Pneumatic Time Delay 64
Figure 4-81 Sector Relay 64
Figure 4-82 Sector Relay Control Schematic 64
Figure 4-83 Sector Relay as a Voltage Regulator 65
Figure 4-84 Voltage Regulator Schematic 65
Figure 4-85 Communications Sector Relay 66
Figure 4-86 Double Throw, Latching Knife Switch Relay 66
Figure 4-87 Commercial Latching Relay 66
Figure 4-88 Holding Circuit 66
Figure 4-89 Mercury Pool Relay 67
Figure 4-90 Commercial Mercury Pool Relay 67
Figure 4-91 Commercial Relay Sockets 67
Figure 4-92 Motor Powered Relay 68
Figure 4-93 12-Hour Synchronous Motor Clock Drive 68
Figure 4-94 60-Minute Laboratory Timer Drive 68
Figure 4-95 Laboratory Timer Schematic 68
Figure 4-96 0- to 60-Second Spring Return Timer 69
Figure 4-97 Commercial Time Delay Relays 69
Figure 4-98 Timing Relay Functions 69
Figure 4-99 60-Second Ratchet Drive Timer 70
Figure 4-100 Ratchet Timer Schematic 70
Figure 4-101 Bench Timer Using a Commercial Multifunction
Relay 70
Figure 4-102 Bench Timer Schematic 71
Figure 4-103 Bench Timer Exploded View 71
Figure 4-104 24-Hour AC Receptacle Timer 71
Figure 4-105 Cam Programmable Synchronous Motor Barrel
Timer 72
Figure 4-106 Four-Pole, Brush Contact Programmable Barrel Timer 72
Figure 4-107 Carbon Resistor 73
Figure 4-108 Four-and-Five Band Resistor Color Codes 73
Figure 4-109 High-Wattage Ceramic Resistor 73
Figure 4-110 Screw Mount High Wattage Resistor 73
Figure 4-111 Wire Wound Resister 73