2016_05
– Highly dynamic 3-phase internal rotor motor with EC technology
– Robust, noise-optimized ball bearing system for a long service life
– High efficiency and high power density realized in a compact design
– Basic motor with electronic module K1 for operation with external
drive electronics
– Low cogging torque
Nominal data
Type ECI-42.20-K1 B00 ECI-42.20-K1 D00 ECI-42.40-K1 B00 ECI-42.40-K1 D00
Nominal voltage (UN) V DC 24 48 24 48
Nominal speed (nN)** rpm 4 000** 4 000** 4 000** 4 000**
Nominal torque (MN)** mNm 110** 110** 220** 220**
Nominal current (IN)** A 2.5** 1.3** 5.1** 2.6**
Nominal output power (PN)** W 46** 46** 92** 92**
Free-running speed (nL) rpm 5 900 5 900 5 700 5 700
Permanent holding torque (MNO) mNm 110 110 220 220
Permiss. peak current (Imax)*** A 14*** 7*** 21*** 10.5***
Motor constant (KE) mVs/rad 40.9 84.2 42.8 83.9
Terminal resistance (RV) Ω 0.9 3.25 0.39 1.5
Terminal inductance (LV) mH 1.1 4.5 0.5 1.84
Starting torque (Mmax) mNm 480 480 960 960
Ambient temperature range (TU) °C 0...+40 0...+40 0...+40 0...+40
Rotor moment of inertia (JR) kgm2 x10–6 3.42 3.42 6.7 6.7
Motor mass (m) kg 0.33 0.33 0.48 0.48
Order number (IP 40) Litzenausführung 932 4220 122 932 4220 123 932 4240 122 932 4240 123
Subject to change * Classification of degree of protection refers to installed state with sealing on the flange side
** At TU max. 40 °C / 104 °F
*** Permissible time for peak current: max. 5 sec. – to be repeated only after complete cool down
04080 120
Torque M [mNm]
n = Speed [min-1]
160 200 240 280
6 000
5 500
5 000
4 500
4 000
3 500
3 000
2 500
2 000
1 500
1 000
500
0
80
60
40
20
0
320 360 400 440 480
Operating point 1)
24
22
20
18
16
14
12
10
8
6
4
2
0
I = Current [A]
Short-time operation
MNMMax
= Efficiency [%]
Continuousoperation
080160 240
Torque M [mNm]
n = Speed [min-1]
320 400 480 560
6 000
5 500
5 000
4 500
4 000
3 500
3 000
2 500
2 000
1 500
1 000
500
0
100
75
50
25
0
640 720 800 880 960
Short-time operation
MNMMax
Operating point 1)
36
33
30
27
24
21
18
15
12
9
6
3
0
I = Current [A]
= Efficiency [%]
Continuousoperation
1) Nominal data, see table above 1) Nominal data, see table above
ECI Motor
ECI-42.XX-K1
Characteristic curve
ECI-42.20, 24 V (at 25 °C / 77 °F) ECI-42.40, 24 V (at 25 °C / 77 °F)