12
EN
3. TECHNICAL DATA
Type WR142E WR143E WR153E WR155E (100-199 - designation of machinery, representative of Robotic
Lawnmower)
WR142E WR143E WR153E WR155E
Rated voltage 20 V
Max.*
No load speed (/min) 2800 2800 2200 2200
Cutting area (m
2
) 700 1000 1500 2000
Cutting diameter (cm) 18 18 22 22
Cutting height (mm) 30-60 30-60 30-60 30-60
Cutting height positions 4 4 4 4
Battery type Lithium-ion
Battery model WA3553.3 WA3553.3 WA3553.3 WA3556
Charging time approx. (hrs) 2.8 1.5 1.5 1.8
Charger model WA3750.1 / WA3755.1 WA3751 / WA3762 / WA3775 / WA3776
Charger rating
Input:
100-240 V~50/60 Hz,
38 W,
Output: 20 V
, 1.5 A
Input: 100-240V~50/60 Hz, 90 W,
Output: 20 V , 3.0 A
Machinery weight (kg) 9.4 9.4 10.5 10.5
Protection degree III
App Y
Frequency band of embedded WLAN
module
2.412GHz-2.484GHz
Max. radio-frequency power of em-
bedded WLAN module
802.11b:+16±2dBm(@11Mbps)
802.11g:+14±2dBm(@54Mbps)
802.11n:+13±2dBm(@HT20,MCS7)
Frequency band of inductive loop
systems
77 Hz
Max. radio-frequency power of
inductive loop systems
82 dBµA/m
*Voltage measured at no load. Initial battery voltage reaches maximum of 20 volts. Nominal voltage is 18 volts.
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