RK 501/SU - What type of plug does the device have? Gustav 07 August 2025 09:41 Updated This model is equipped with an earthing contact plug ("CEE 7/4"). Related articles CT 2010/IN - I would like to operate the device on an inverter (wattage and power levels?) CT 3410/IN - Does the device have overheating protection? RK 501/SU - Is this product Made in Germany? RK 501/S, RK 501/SU – What is the difference? RK 501 - Heating power not sufficient to make espresso