IS810N-INT Series Servo System User Manual (Brief) Chapter 3 Installation
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3.3.2 Installation Environment
Table 3-3 Installation environment
Item
OneCable 
Servo Motor
ISMH Series Motor MS1H Series Motor
Operating 
temperature
0°C to 40°C (non-freezing). Please perform deration at over 40°C based on 
the following coefcients:
Ambient 
temperature (
°C
)
40 45 50 55 60
Derating 
coefcient 
1 0.952 0.901 0.855 0.781
Operating humidity 20%–90% RH (non-condensing)
Storage temperature -20°C to 60°C (Peak temperature and storage period: 80°C for 72 hours)
Storage humidity 20%–90% RH (non-condensing)
Vibration Below 49 m/s
2
Impact Below 490 m/s
2
Degree of protection
IP65 H1 and H4: IP65 (except for the 
shaft-through portion and connection 
terminals of motor connectors)
Other: IP67 (except for the shaft-
through portion and motor connectors)
H1 and H4: IP67 
(except for the shaft-
through portion and 
connection terminals of 
motor connectors)
Altitude
Please perform deration at over 40°C based on the following coefcients:
Altitude (m) 1000 2000 3000 4000 5000
Derating 
coefcient
1 0.947 0.887 0.824 0.645
3.3.3 Overall Dimensions of OneCable Servo Motor
1) Dimensions of ISMH2-20C30CD- A***Y-Om19 Servo Motor
WK
 0
-0.03
RH
0
-0.10
B-B
 1 : 1.5
0.012
A
6
 0
-0.018
W
 0
-0.018
C-C
 1 : 1.5
100
φ
115
4×
φ
7
EQS
 TP
45°
R4×R10
EQS
LW
LL
LR
5
KA1
43.70
10
39.80
φ
S
0
-0.013
φ
95
 0
-0.035
φ
32
KB1
0.02 A
0.03
A
Model
LL 
(mm) 
LR 
(mm)
LW 
(mm)
S 
(mm)
RH 
(mm)
WK 
(mm)
W 
(mm)
TP 
(mm)
KA1 
(mm)
KB1 
(mm)
Weight 
(kg)
ISMH2-20C30CD-
A351Y-Om19
239.5 45 / 19 / / / M6×18 78.4 175 7.5
ISMH2-20C30CD-
A331Y-Om19
239.5 45 36 19 15.5 6 6 M6×18 78.4 175 7.5
2) Dimensions of ISMH3-18C15CD-****B-Om19/Om24 and ISMH3-56C30CD-****B- Om24 
Servo Motor