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Beckhoff
2.10.1
Fusing
2.10.1.1
Internal fusing
Circuit
Auxiliary supply 24V
Regen resistor
2.10.1.2
External fusing
Fusible cutouts or similar
(Fuse UL time delay)
AC supply
Type of branch circuit fuses:
Regen resistor
* (x = S or S-R for 480V applications
Note:
2.10.2
Allowable ambient conditions, ventilation, mounting position
Storage temperature/humidity/duration
Transport temperature / humidity
Supply voltage tolerances
Ambient temperature in operation
Humidity in operation
Site altitude
Pollution level
Enclosure protection
Mounting position
Ventilation
Make sure that there is sufficient forced ventilation within the switchgear cabinet.
AX2040/2070 Installation Manual
F
N1/2/3
Class RK5, 480V min
F
B1/2
The AX2040/2070 drives are suitable for use on a circuit capable of delivering not more
than 5000rms symmetrical amperes, 480VAC max.
Input power (ð p.16)
Aux. power supply
02/06
AX2040
50 AT (FRx-50) *
KLM 20
x = N or N-R for 230V applications
ð p.95
ð p.95
min 3x230V
-10%
min 3x208V
-10%
24 VDC (-0% +15%), check voltage drop
o
0 to +45
C (32 to 113 °F) at rated data
+45 to +55°C (113 to 131 °F) with power derating
rel. humidity 85%, no condensation
up to 1000m a.m.s.l. without restriction
1000...2500m a.m.s.l. with power derating 1.5%/100m
Pollution level 2 to EN60204/EN50178
IP 20
generally vertical. ð p.33
forced convection by built-in fans
Technical Description
Internal fuse
4 AT
electronic
AX2070
80 AT (FRx-80) *
KLM 30
ð p. 10)
+10%
AC / max 3x 480V
, 50 Hz
+10%
AC / max 3x 480V
, 60 Hz
2.5% / K
19
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