After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. wholesale high quality 3v dc relay. 3V dc: Coil Power: 400mW: Coil Resistance: 22.5 Ω: Isolation Coil To Contact: 1.5kV: Contact Configuration: SPDT: Mounting Type: PCB Mount: Switching Current: 3A: Terminal Type: Surface Mount: Maximum Switching Voltage AC: 250V: Maximum Switching Voltage DC: 220V: Series: G6E: Height: 8.3mm: Length: 16mm: Maximum Switching Power AC: 60 VA: Maximum Switching Power DC: 60 W: … we are best 3v dc relay suppliers,manufacturers,wholesalers from China. 3. The groove width is 5mm. This is ready breakout board with two 5V activated relays (3.3V compatible), and the signal is opto-isolated, it is protected :) Easy to use and suitable for beginner, and of course student too. A: After powered on, relay is first energized then de- energized for a infinite cycle B:After powered on, relay is first de- energized then energized for a infinite cycle. 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