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.