2.5(S),3(L),5(L)
3(S)
3.5
/
1.2
4.6
/
1.5
4.7
/
1.6
6.1
/
2.0
0.64
/
0.16
0.85
/
0.21
(c) Ground wire
The green and yellow stripped wire is the ground wire, which should always be connected to a suitable
ground. Unless the wire is grounded, operator may sometimes feel a shock when touching any part of the
hoist or chain.
NEVER paint the trolley running surface of the beam.
− 28 −
250(H),500(S)
1(L)
④ ERM (dual speed type)
Capacity
(kg or t)
125(H),250(S)
500(L)
1(S),1.5(S),2(L)
2(S)
Motor output
Minimum size
of wiring
(mm
2
)
220/
440V
575V
AWG
12
AWG
14
Rating Ordinary
graduation
of ammeter
Fuse(A) Breaker(A)
220 440 575 220 440 575 220 440 575
vvvvvvvvv
10 5 5 10 5 5 10 5 5
15 10 5 15 10 5 10 5 5
20 10 10 20 10 10 15 10 10
30 15 15 30 15 15 30 10 10
30 15 15 30 15 15 30 15 15
40 20 20 40 20 20 30 15 15
Lift Travel
kW HP kW HP
0.45
/
0.15
0.9
/
0.3
1.8
/
0.6
3.5
/
1.2
0.6
/
0.2
1.2
/
0.4
2.4
/
0.8
4.7
/
1.6
0.32
/
0.08
0.43
/
0.11
Minimum size
of ground
wire
(mm
2
)
AWG14
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