6.2.1 Recommended torques
Connector Recommended torque
X3, X4 0.3 Nm (2.25 in lb)
X10 0,3 Nm (2.25 in lb)
X0 6...8 Nm (45... 60 in lb)
6.2.2 Fusing
Internal fusing
Circuit Internal fuse
Auxiliary supply 24V 4 AT
Brake resistor electronic
External fusing
Fusible cutouts or similar
(Fuse UL time delay)
SERVOSTAR 640 SERVOSTAR 670
AC supply F
N1/2/3
Type of branch circuit fuses:
Class RK5, 480V min
50 AT (FRx-50) * 80 AT (FRx-80) *
Brake resistor F
B1/2
KLM 20 KLM 30
* (x=SorS-Rfor480V applications x=NorN-Rfor230V applications ð p. 10)
Note: The SERVOSTAR 640/670 drives are suitable for use on a circuit capable of delivering not more
than 42000rms symmetrical amperes, 480VAC max.
6.2.3 Ambient conditions, ventilation, mounting position
Storage, hints
ð p.15
Transport, hints
ð p.15
Supply voltage tolerances
Input power (ð p.46)
Aux. power supply
min 3x230V
-10%
AC / max 3x 480V
+10%
,50Hz
min 3x208V
-10%
AC / max 3x 480V
+10%
,60Hz
24 VDC (-0% +15%), check voltage drop
Ambient temperature in operation
0to+45
o
C (32 to 113 °F) at rated data
+45 to +55°C (113 to 131 °F) with power derating
2.5% / K
Humidity in operation
rel. humidity 85%, no condensation
Site altitude
up to 1000m a.m.s.l. without restriction
1000...2500m a.m.s.l. with power derating 1.5%/100m
Pollution level
Pollution level 2 to EN60204
Vibrations
Class 3M1 according to IEC 721-3-3
Noise emission
max. 45 dB(A)
Enclosure protection
IP 20 according to EN 60529
Mounting position
generally vertical. ð p.34
Ventilation
forced convection by built-in fans
Make sure that there is sufficient forced ventilation within the switchgear cabinet.
22 SERVOSTAR
®
640/670 Instructions Manual
Technical description
12/2010 Kollmorgen
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