Home Improvement: Aprilaire 50 Sensing Relay, 24-volt - ecobee
Home Improvement: Aprilaire 51 Current Sensing Relay - ecobee
Home Improvement: Leviton OSA20-R00 15A INC 20A FL 120-277VAC 15A FL 347VAC, Add-A-Relay for Occupancy Sensor with HVAC Relay 0.5A 125VAC 1.0A 30VDC, Black - Leviton
BISS: Banner SMU315LV Mini Beam Universal Voltage Sensor, Non-Polarized Retroreflective Sensing Mode, 2 m PVC 5-Wire Cable, Visible Red LED, 24-240V AC/DC Supply Voltage, SPDT Relay Output, 5 m Sensing Range - Banner
Home Improvement: Relay, Voltage Sensing, SPDT, DIN Rail - Schneider Electric
Home: Aprilaire 51 120V Current Sensing Relay - Aprilaire
Photography: MECO(TM) 12v Human Motion IR Sensor Automatic Light Switch Infrared
Automotive Parts and Accessories: DC 12V Photoelectric Switch Sensor Relay Module 50mmx25mm w 2 Cable - Amico
BISS: Banner SMU315D Mini Beam Universal Voltage Sensor, Diffuse Sensing Mode, 2 m PVC 5-Wire Cable, Infrared LED, 24-240V AC/DC Supply Voltage, SPDT Relay Output, 380 mm Sensing Range - Banner
Office Product: 5V Photodiode Module Relay Module Light Control Switch Light Detect - PhiShine
Home Improvement: Hubbell Building Automation UVPP Universal Voltage Power Supply for Low-Voltage OMNI and LightHAWK Occupancy Sensors, Black - Hubbell Building Automation
Automotive Parts and Accessories: Cole Hersee 48541 FlexMod Voltage Sensing Relay & Timer senses 12V or 24V systems - Cole Hersee
Single Detail Page Misc: Samsung Relay 4G High Power Home AC Charger Built In Retractable Cord And Folding Blades 110/220 volts - Hedocell
BISS: Banner Q60VR3AFV1000Q1 Adjustable-Field Photoelectric Sensor, Background-Suppression Sensing Mode, 4-pin Micro-Style QD Connector, Visible Red LED, 12-250 VDC or 24-250 VAC Supply Voltage, SPST Electromechanical Relay Output, 1 m Sensing Range - Banner
BISS: Supco SPP6E E Series Electronic Potential Relay Style Hard Start Kit, 1/2 - 3 Horsepower Range, 88-106F Capacitor Size - Supco
BISS: Banner Q60VR3LAF2000Q1 Adjustable-Field Photoelectric Sensor, Background-Suppression Sensing Mode, 4-pin Micro-Style QD Connector, Visible Red LED, 12-250 VDC or 24-250 VAC Supply Voltage, SPST Electromechanical Relay Output, 2 m Sensing Range - Banner
PC Accessory: SainSmart TGS2611 Air Contaminants Gas Sensor Module for Arduino - SainSmart
CE: The Amazing Quality Xintex Heat Detector 170F - Fireboy-Xintex
Automotive Parts and Accessories: Nitrous Express 15961 0-4.5 V Throttle Position Sensor Voltage Sensing Full Throttle Activation Switch - Nitrous Express
Personal Computer: Arduino Motor Shield R3 - Arduino Team
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Relay Voltage Sensing Popular Q&A
Q: What is over voltage relay?
A: A protective device that operates when voltage exceeds nominal by some set amount. These are often coupled with a timer. Read More »
Q: How to Check the Voltage of a Fuel Pump Relay.
A: 1. You can also use a digital multimeter to check voltage. Remove the fuel pump relay from its socket and turn on the ignition. Don't try to start the vehicle; ... Read More »
Q: How to Calculate Voltage Drops at Contacts of DC Relay.
A: 1. Using Ohm's Law, calculate the electrical current through the circuit if the relay is not present. Ohm's Law states that current (in amperes) is equal to vol... Read More »
Q: What is the function of an under voltage relay?
A: What is the function of under voltage relay ? A: One reason why Under Voltage breakers are used is to keep machinery from starting automatically when incoming p... Read More »
Q: Where is a good place to buy relays rated for high voltage and lo...
A: I would check out these guys: http://www.gigavac.com/sa. les/ord. However, with that said. You are talking about potentially lethal voltages here, and switching... Read More »