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7
Supplement
Manufacturer's
Part No.
part No.
DV0P4280
RF70M
DV0P4281
RF70M
DV0P4282
RF180B
DV0P4283
RF180B
DV0P4284
RF240
DV0P4285
RH450F
Manufacturer : Iwaki Musen Kenkyusho
DV0P4280, DV0P4281
300
65
57
2-φ4.5
21
450
30
thermostat
(light yellow x2)
DV0P4284
300
290
280
53
10
Remarks
Thermal fuse is installed for safety. Compose the circuit so that the power will
be turned off when the thermostat is activated. The thermal fuse may blow
due to heat dissipating condition, working temperature, supply voltage or load
fluctuation.
Make it sure that the surface temperature of the resistor may not exceed 100˚C at
the worst running conditions with the machine, which brings large regeneration
(such case as high supply voltage, load inertia is large or deceleration time is
short) Install a fan for a forced cooling if necessary.
Regenerative resistor gets very hot.
Caution
Take preventive measures for fire and burns.
Avoid the installation near inflammable
objects, and easily accessible place by hand.
7. Options
External Regenerative Resistor
Specifications
cable core
Resistance
outside
Mass
diameter
Ω
mm
kg
50
0.1
100
0.1
φ1.27
(
)
25
0.4
AWG18
50
0.2
stranded
wire
30
0.5
20
1.2
DV0P4282,DV0P4283
5
6-φ4.5
24
10
Drawing process
(2mm MAX)
(5)
thermostat
(light yellow ×2)
300
450
300
71
10
Rated power (reference) *
Free air
with fan [W]
[W]
1m/s
2m/s
10
25
35
10
25
35
17
50
60
17
50
60
40
100
120
52
130
160
* Power with which the driver can be used
without activating the built-in thermostat.
170±1
thermostat
5
160±0.5
(light yellow ×2)
450
300±30
DV0P4285
300
278
288
Activation
temperature of
built-in thermostat
3m/s
45
140±5˚C
45
B-contact
75
Open/Close capacity
(resistance load)
75
4A 125VAC 10000 times
150
2.5A 250VAC 10000 times
200
Power supply
Frame
Single phase, 200V
Single phase, 100V
3-phase, 200V
DV0P4281
A
DV0P4280
B
DV0P4283
DV0P4283
C
DV0P4282
D
DV0P4284
DV0P4285
E
–
Arrange 2
DV0P4285
F
in a parallel
4-φ4.5
thermostat
450
(light yellow ×2)
450
1
2
3
4
5
6
7
7-93
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