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Servo Motors

Elmo Servo Motors

Elmo's Servo Motors are characterized by smooth performance, compact design and high operating efficiency. With power from 30W up to 5000W, the motors are matched to operate with Elmo’s high-performance servo drives.

Elmo’s servo motors are IP65 rated to endure challenging environmental conditions.

Higher power, other operating voltages, on request.
Servo Motors

Motors Specifications

Model Base
ELNZ models
A3B
A5B
A8B
01B
02B
04B
06B
08B
10B
Rated Power [W]
30
50
80
100
200
400
600
750
950
Rated RPM
3000
3000
3000
3000
3000
3000
3000
3000
3000
Rated Torque [Nm]
0.10
0.16
0.25
0.32
0.64
1.3
1.9
2.4
3.0
(Peak torque) [Nm]
(0.29)
(0.48)
(0.76)
(0.95)
(1.91)
(3.8)
(5.7)
(7.2)
(9.1)
Min DC Bus Voltage [V]
40
55
82
110
125
155
150
170
220
Rated current Sin. Amplitude (Elmo rating) [A]
1.4
1.4
1.4
1.4
2.2
3.5
5.0
6.0
5.5
(Rated current [A RMS])
(1.0)
(1.0)
(1.0)
(1.0)
(1.6)
(2.5)
(3.5)
(4.2)
(3.9)
Dimensions Flange/Length [mm]
40/74
40/82
40/102
40/112
60/99
60/128
80/129
80/147
80/165
(w/brake)
(106)
(114)
(134)
(114)
(131)
(161)
(164)
(182)
(200)
Weight [kg]
0.32
0.39
0.50
0.66
1.0
1.7
2.9
3.5
4.1
(w/brake)
(0.54)
(0.63)
(0.77)
(0.93)
(1.5)
(2.3)
(3.5)
(4.3)
(4.9)
Model Base
ELNS models
10B
15B
20B
25B
30B
35B
40B
45B
50B
Rated Power [W]
1000
1500
2000
2500
3000
3500
4000
4500
5000
Rated RPM
3000
3000
3000
3000
3000
3000
3000
3000
3000
Rated Torque [Nm]
3.2
4.8
6.4
8.0
9.5
11.1
12.7
14.3
15.9
(Peak torque) [Nm]
(9.6)
(14.3)
(19.1)
(23.9)
(28.7)
(33.4)
(38.2)
(43.0)
(47.7)
Min DC Bus Voltage [V]
135
150
142
150
145
160
145
150
160
Rated current Sin. Amplitude (Elmo rating) [A]
10.0
13.0
20.0
23.0
26.0
30.0
36.0
38.0
40.0
(Rated current) [A RMS]
(7.1)
(9.2)
(14.1)
(16.3)
(18.4)
(21.2)
(25.5)
(26.9)
(28.3)
Dimensions Flange/Length [mm]
100/163
100/188
100/211
100/236
120/215
120/235
130/248
130/268
130/288
(w/brake)
(183)
(208)
(231)
(256)
(240)
(260)
(273)
(293)
(313)
Weight [kg]
4.5
5.1
6.5
7.5
9.3
10.9
12.9
15.1
17.3
(w/brake)
(5.1)
(6.4)
(7.8)
(8.8)
(10.6)
(12.2)
(14.8)
(17)
(19.2)
Available feedback types
Incremental (quadrature) encoder, 2500 P/R, 15 wires
Absolute encoder, Heidenhain EBI 1135. Single turn resolution 18bit/turn, 262,144 cnt/rev Multi turn 16bit,
65,536 revs (requires battery backup)
Resolver

 

Modified windings for operation in other voltages, such as 80VDC, 170VDC (120AC), and 560VDC (400VAC- 480VAC)
are available upon request for OEM quantities.

Motor Dimensions

The ELNZ and ELNS motor series are available with or without braks as illustrated below.

Dimensions [mm]
ELNZ models
A3
A5
A8
01
02
04
06
08
10
LL (brake)
74 (106)
82 (114)
102 (134)
112 (114)
99 (131)
128 (161)
129 (164)
147 (182)
165 (200)
LR
25
25
25
25
30
30
35
35
35
S
7
8
8
8
11
14
16
19
19
LA
45
45
45
45
70
70
90
90
90
LB
30
30
30
30
50
50
70
70
70
LC
40
40
40
40
60
60
80
80
80
LE
3
3
3
3
3
3
3
3
3
LF
6
6
6
6
7
7
8
8
8
LZ
3.6
3.6
3.6
3.6
5.5
5.5
6.69
6.6
6.6
Dimensions [mm]
ELNS models
10
15
20
25
30
35
40
45
50
LL (brake)
163 (183)
188 (208)
211 (231)
236 (256)
215 (240)
235 (260)
248 (273)
268 (293)
288 (313)
LR
55
55
55
55
55
55
65
65
65
S
19
19
19
19
22
22
24
24
24
LA
115
115
115
115
130 / 145
130 / 145
145
145
145
LB
95
95
95
95
110
110
110
110
110
LC
100
100
100
100
120
120
130
130
130
LD
135
135
135
135
162
162
165
165
165
LE
3
3
3
3
3
3
6
6
6
LF
10
10
10
10
12
12
12
12
12
LZ
9
9
9
9
9
9
9
9
9

ELNZ - servo motor ELNS - servo motor

 

Shaft-End Specifications

The motors can be ordered with different shaft-end configurations: D-shape, key-way or round.

Dimension
ELNZ models
A3
A5
A8
01
02
04
06
08
10
LW / LN (D-cut)
13 / 20
14 / 20
14 / 20
14 / 20
20 / 22
25 / 22
25 / 25
25 / 25
25 / 25
LK
12
12.5
12.5
12.5
18
22.5
22
22
22
KW
2h9
3h9
3h9
3h9
4h9
5h9
6h9
6h9
6h9
KH
2
3
3
3
4
5
6
6
6
PH / LP (D-cut)
5.8 / 6.5
6.2 / 7.5
6.2 / 7.5
6.2 / 7.5
8.5 / 10
11 / 12.5
12.5 / 14.5
15.5 / 17.5
15.5 / 17.5

 

Dimension
ELNS models
10
15
20
25
30
35
40
45
50
LW / LN (D-cut)
45
45
55
LK
42
45
55
KW
6h9
8h9
8h9
KH
6
7
7
PH / LP (D-cut)
15.5
18
20

 

D-cut, KEY

 

Encoder Connectors
Dimension Encoder Type Connector P/N Pinout plan Outline
ELNZ Incremental,
15 wires		 AMP 172171-1 Pin
1
2
3
4
5
encoder connector - ELNZ
Signal
A
[A]
B
[B]
Z
Pin
6
7
8
9
10
Signal
[Z]
U
[U]
V
[V]
Pin
11
12
13
14
15
Signal
W
[W]
+5V
0V
PE
Absolute,
7 wires		 AMP 172169-1 Pin
1
2
3
4
5
Signal
BAT+
BAT-
PE
SD
[SD]
Pin
6
7
8
9
Signal
+5V
0V
Dimension Encoder Type Connector P/N Pinout plan Outline
ELNS Incremental,
15 wires		 MS 3102A
standard,
20-29P		 Pin
A
B
C
D
E
F
encoder connector
Signal
A
[A]
B
[B]
Z
[Z]
Pin
G
H
J
K
L
M
Signal
0V
+5V
PE
U
[U]
V
Pin
N
P
R
S
T
Signal
[V]
W
[W]
Absolute,
7 wires		 Pin
A
B
C
D
E
F
Signal
Pin
G
H
J
K
L
M
Signal
0V
+5V
PE
SD
[SD]
Pin
N
P
R
S
T
Signal
BAT+
BAT-

 

Power/Brake Connectors

Series Motor Type Connector Type Pinout Type Pin No.
ELNZ Standard, no brake AMP 172167-1
1
2
3
4
Signal
P1
P2
P3
PE
Motor with brake AMP 172165-1
1
2
172167-1
1
2
3
4
Signal
P1
P2
P3
PE
BR
BR
Connector Outlines
power/brake connector
power/brake connector
AMP 172167-1 AMP 172165-1

 

Series
Power & brake connectors, by model
ELNS Model, Power Rating
10 ~ 25
30 ~ 50
No brake
20 - 4P
22 - 22P
With brake
20 -18P
24 -11P

 

Series Motor Type Connector Type Pinout Type
Pin No.
ELNS Standard,
no brake
MS3102A 20-4P or 22-22P      
A
B
C
D
    
20-18P
G
H
A
F
I
B
E
D
C
24-11P
A
B
C
D
E
F
G
H
I
Signal
P1
P2
P3
PE
PE
Motor with
brake
MS3102A 20-18P
G
H
A
F
I
B
E
D
C
24-11P
A
B
C
D
E
F
G
H
I
Signal
BR
BR
P1
P2
P3
PE
PE
Connector
Outlines
20-4P
20-22P
20-18P
24-11P

 

  • Connector kits and cable kits are available upon request for quick and convenient setup.
  • Gears (reducers) of ratio 1:3 to 1:100 are available on request.