Smart Relay YDSR-01 - 24V-15A
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This device proves invaluable when faced with the challenge of managing two loads with only one power switch. Consider a scenario where a combined deck/steaming light on the mast is powered by a single switch with just two wires (positive and negative) within the mast. The Smart Relay efficiently handles this situation by activating the first channel when the power switch is turned on and triggering the second channel when the power switch is cycled twice within one second.
At the core of the Smart Relay is a bi-stable RT424F05 relay, utilizing power solely during channel switching; otherwise, it maintains a minimal consumption of less than 0.5 mA. Capable of switching 7 to 28V DC loads, it can handle continuous currents of up to 10A and peak currents of 20A (for 4 seconds, with a 10% duty rate). To seamlessly switch between channels, a rapid power cycle within one second is all that is required. If the need arises for one load to remain constantly on and the other to activate after the swift power cycling, connect the first load to the incoming power terminals and the second load to channel 2.
While the device boasts waterproof features, caution must be exercised with the open terminals, as exposure to seawater can potentially lead to a short circuit. Avoid placing the device in areas susceptible to water flooding, rain exposure, or direct water spray. It is imperative to incorporate an electrical fuse into your circuit for added safety.
The Smart Relay demonstrates its versatility in various use cases, such as the installation of a bilge pump float switch or an additional fresh water pump. Equipped with four standard blade "FASTCON" terminals (6.3mm x 0.8mm), the device comes with five receptacles featuring insulation, readily available in electronics stores. Resistance between the active channel terminal and the VCC terminal consistently measures zero, as the device's microcontroller orchestrates seamless switching. Caution is advised to prevent high voltage (exceeding 28V) on the VCC terminal, as it can lead to permanent damage to the device.
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