8 + Which transformer should be used? If you want to operate a water bowl with 80 watts of power (supplied), then a 100-watt transformer will suffice (item no. 223140). If you also want to connect a 24 V heating cable, simply add the current consumption (= wattage) of the cable. When selecting the transformer, plan for a power reserve of 15 % (factor 1.15). Please ensure you select the correct cable cross-section. If the cable cross-section selected is too small, it cannot transmit the full power and the water bowl system can freeze under certain circumstances despite heating. Selection of the required transformers: Calculation example for transformer: Number Water Bowls / Heating Cables 3 Water Bowl HP20 24 Volt (item no. 222055) 3 x 73 watts = 216 watts 2 Water Bowl H10 24 Volt (item no. 222005) 2 x 50 watts = 100 watts 2 Frost Protection Heating Cable - 24 Volt (item no. 223581) 2 x 30 watts = 60 watts Total power: = 376 watts Calculate the total power required with power reserve: 376 watts x 1.15 (+ 15 %) = 433 watts Transformator 230 V / 24 V • Converts the voltage from 230 Volt alternating current (AC) to a safe 24 Volt alternating current (AC) • Protection class IP44 - When the 230 Volt connection plug is connected to a suitable protective box: IP54 • Short-circuit and overload protection through easily replaceable microfuse in the output circuit • Integrated temperature limiter to protect against overheating • Fully encapsulated housing: best possible protection against moisture, mechanical and electronic loads • On the secondary side, the output cable is connected to the consumer in a terminal box (terminal box not included in the scope of delivery). • Depending on the design of the terminal box on the secondary side, up to IP67 is possible. Ref. no. Thickness € 223140 100 VA 1/1 223141 200 VA 1/1 223142 300 VA 1/1 223143 400 VA 1/1 1 x 300 Watt (VA) Transformator (Art. Nr. 223142) für: 3 x Tränkbecken HP20 216 Watt x 1,15 = 249 Watt 246 Watt < 300 Watt 1 x 200 Watt (VA) Transformator (Art. Nr. 223141) für: 2 x Tränkbecken H10 + 2 x Heizkabel 160 Watt x 1,15 = 184 Watt 184 Watt < 200 Watt
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