English - 18ENGLISHData Automower® 420 Automower® 430X Automower® 440 Automower® 450XDimensionsLenght 72 cm / 28.3 ” 72 cm / 28.3 ” 72 cm / 28.3 ” 72 cm / 28.3 ”Width 56 cm / 22 ” 56 cm / 22 ” 56 cm / 22 ” 56 cm / 22 ”Height 31 cm / 12.2 ” 31 cm / 12.2 ” 31 cm / 12.2 ” 31 cm / 12.2 ”Weight 11,5 kg / 25 Ibs 13,2 kg / 29 Ibs 12,9 kg / 28 Ibs 13,9 kg / 30 IbsElectrical systemBattery, Special Lithium-Ion 18 V/3.2Ah,Art. No. 580 68 33-0118 V/5,2Ah,Art. No. 588 14 64-0118 V/10,4Ah,Art. No. 588 14 64-01(2 pcs.)18 V/10,4Ah,Art. No. 588 14 64-01(2 pcs.)Power supply 100-240 V / 28 V 100-240 V / 28 V 100-240 V / 28 V 100-240 V / 28 VLow voltage cable length 10 m / 33 ft 10 m / 33 ft 10 m / 33 ft 10 m / 33 ftMean energy consumption atmaximum use17 kWh/month for aworking area of 2200m2 / 0.55 acre18 kWh/month for aworking area of 3200m2 / 0.8 acre20 kWh/month for aworking area of 4000m2 / 1.0 acre23 kWh/month for aworking area of 5000m2 / 1.25 acreCharge current 2,1 A DC 4,2 A DC 7 A DC 7 A DCAverage charging time 55 minutes 65 minutes 75 minutes 75 minutesAverage mowing time 105 minutes 135 minutes 250 minutes 260 minutesNoise emissions*Measured sound power noise level **) 56 dB (A) 56 dB (A) 56 dB (A) 58 dB (A)Guaranteed sound power noise level 58 dB (A) 58 dB (A) 56 dB (A) 59 dB (A)Sound pressure noise level ***) 45 dB (A) 45 dB (A) 45 dB (A) 47 dB (A)MowingCutting system Three pivoted cutting bladesBlade motor speed 2300 rpm 2300 rpm 2300 rpm 2300 rpmPower consumption during mowing 30 W +/- 20 % 30 W +/- 20 % 30 W +/- 20 % 35 W +/- 20 %Cutting height 2–6 cm / 0.8-2.5 ” 2–6 cm / 0.8-2.5 ” 2–6 cm / 0.8-2.5 ” 2–6 cm / 0.8-2.5 ”Cutting width 24 cm / 9.5 ” 24 cm / 9.5 ” 24 cm / 9.5 ” 24 cm / 9.5 ”Narrowest possible passage 60 cm / 24 ” 60 cm / 24 ” 60 cm / 24 ” 60 cm / 24 ”Maximum angle for cutting area 45% 45% 45% 45%Maximum angle for boundary wire 15% 15% 15% 15%Maximum length boundary wire 800 m / 2600 ft 800 m / 2600 ft 800 m / 2600 ft 800 m / 2600 ftMaximum length guide loop 400 m / 1300 ft 400 m / 1300 ft 400 m / 1300 ft 400 m / 1300 ftWorking capacity 2200 m2 / 0.55 acre+/- 20 %3200 m2 / 0.8 acre+/- 20 %4000 m2 / 1.0 acre+/- 20 %5000 m2 / 1.25 acre+/- 20 %IP-classificationRobotic lawnmower IPX4 IPX4 IPX4 IPX4Charging station IPX1 IPX1 IPX1 IPX1Power supply IPX4 IPX4 IPX4 IPX4**) uncertainties KWA 2 dB (A) 2 dB (A) 0,6 dB (A) 1 dB (A)***) uncertainties KPA 2-4 dB (A) 2-4 dB (A) 2-4 dB (A) 2-4 dB (A)* Noise emissions in the environment measured as sound power (LWA) in conformity with EC directive 2000/14/EC. The guaranteed sound power level includes variationin production as well as variation from the test code with 1-3 dB(A).The noise emission declarations conforms to EN 50636-2-107:2015Husqvarna AB does not guarantee full compatibility between the robotic lawnmower and other types of wireless systems such as remote controls, radio transmitters,hearing loops, underground electric animal fencing or similar.