Details
NDS Dometic Priority Switch PSW – Smart automatic 230 V transfer for RV, boat & inverter
The freedom to enjoy 230 V anywhere, worry-free
Picture this: you’re parked at a scenic off-grid spot. The air conditioning is running, the fridge keeps your food fresh, and your devices are charging – all powered by your inverter. Later, you plug into shore power and the NDS Dometic PSW priority switch automatically transfers to the mains without you lifting a finger. No interruptions, no overload risk – just seamless power, wherever you are.
Why this priority switch is a must-have in your motorhome
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Always have power – whether free-camping in the wild or docked at a marina.
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Smart energy management – heavy loads like AC or coffee makers run only when mains is available, protecting your inverter.
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Continuous comfort – outlets and essential devices stay powered even when shore power is disconnected.
Practical uses in RV life
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Off-grid in nature – inverter powers lighting, laptop, TV, chargers.
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At the campsite – AC, microwave and water heater automatically switch to mains.
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On the move – fridge stays on at all times, regardless of power source.
Key features
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Automatic switching between inverter and mains
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Two separate outputs for heavy loads and accessories
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Max inverter power: 3000 W, output current up to 13 A
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Compact & lightweight: 145 × 133 × 55 mm, ~0.6 kg
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Low self-consumption: 30 mA
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Operating temperature: –20 °C to +60 °C
Your big advantage
With this priority switch, you never have to think about which power source is active. You prevent costly damage from overload, extend your equipment’s lifespan, and enjoy the comfort of reliable power – plugged in or miles from anywhere.