Gravity: Magnetic Latching Relay by DFRobot - The Pi Hut

Gravity: Magnetic Latching Relay

DFRobotSKU: DFR0996

£5.90

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Only 4 units left

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A Magnetic latching relay is a new type of relay. It features low power dissipation and is noiseless. Unlike other non-latching relays, the latching relay needs two digital pulse signals to switch the ON/OFF state.

This DFRobot Gravity: magnetic latching relay is compatible with most popular microcontrollers, such as ESP32 / Arduino / Raspberry Pi. It can be used to remake home appliances or lighting controls, like smart electricity meters, lighting, sockets, switches, and so on.

Connection Example - Magnetic Latching Relay and Arduino

Features

Low power consumption, 2.6mw-3.65mw
Noiseless
Trigger Pulse Width: 2ms
Holding function
3.3V & 5V supported Arduino / ESP32 / Raspberry Pi / LattePanda

Specifications

Signal Level: 3.3V, 5V
Power Voltage: 3.3V-5V DC
Trigger Pulse Width: 2ms
Static Current: 0.73mA - 0.8mA(@3.3V-5V）
Coil Operating Current: 137mA(3.3V), 93mA(5V)
Contact Resistance: ≤100mΩ (1A 6V DC)
Contact Material: AgSnO2
Contact Load: 10A 36V AC (Resistive), 15A 36V AC (Incandescent lamp)
Max Switching Voltage: 36V AC/30V DC
Max Switching Current: 10A
Max Switching Power: 36VA/300W
Coil Rated Power: 0.4W
Relay Action Time(@Rated Voltage): ≤8ms
Relay Reset Time(@Rated Voltage): ≤5ms
Operating Humidity Range: 5%-85%RH
Operating Temperature Range: -40℃-85℃
Product Dimension(Package Not Included): 42×32mm

Resources

Product wiki

Pinout

Num	Label	Description
A	Trigger End A	Provide the pulse with a width of more than 2ms to reverse relay state
+	Positive	3.3V-5V
-	Negative
B	Trigger End B	Provide the pulse with a width of more than 2ms to reverse relay state
+	Positive	3.3V-5V
-	Negative
A	Relay Contact A
COM	Relay Common end
B	Relay Contact B

Package Contents

1x Magnetic Latching Relay
2x 3Pin Gravity Wire

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