what is a relay used for

007-6492722 NCR ATM Parts Solid State Relay Used In Currency Dispenser

21N4-00762 24V Timer Relay Used For Hyundai R80-7 R210LC-7 Excavator Spare Parts

14558807 Volvo Relay Box Assembly 14623855 excavators AC Stuck Relay

TeSys CAD32 CAD50 Schneider Control Relay / 220 VAC Contactor Relay Schneider

Three Phase IEC61850 K3163i Protection Relay Testing

XJLS-84/440/ZT, XJLS-84/502, XJLS-81/220 Static Latching Relay circuit operation DC power

Electronic Thermal Relay Tester For Low Voltage Motor Protector and Thermal Relay Test

Electric Heating 12v 3 Phase SSR Relay 150a

Intermediate Automation Control Relays

25KV DC HV Vacuum Relay Switch SPDT Coil Voltage 24 VDC 12VDC Low Profile

Short Circuit Protection Solid State Relay Customizable High Sensitivity

Ground Earth Fault Protection Relay , 5A Digital Protective Relay

C61F-GP 5A AC220V Level Relay Water level Controller Switch Pump Automatically Float Switch

1P 2P 3 Phases Bistable DC Latching Relay For Switching Cabinet

Board 5V 8 Channel Relay Module For Arduino , 51 AVR MCU Relay Module

SPDT T90 Omron G8P Relay / 30A T Type Relay For Refrigerator Compressor

94580644 Auto Relays use for daewoo Nexia Cielo electrical parts good quality

TR2 Series Auto Miniature Thermal Overload Relay Fixed Install

Relay Valves Truck Repair Part Brake Air Relay Valve 9730010200

Waterproof Condition Automotive Power Relay , 12v 30 Amp Relay Replacement 12 volt high power relay