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Delta Three Phase 1342457 06-03-05 Service Manual Page 152

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June 2005
150
For more information visit: www.EatonElectrical.ca CAT.02.02.S.K.CD
XT IEC Power Control
Manual Motor Protectors
Technical Data and Specifications
Figure 81. XTPB, XTPR 1- and 2-Pole Circuits with DC and AC Current
Figure 82. Protection of PVC Insulated Cables Against Thermal
Overload at Short Circuit
The table indicates which minimum cable cross-sections are
protected by XTPR motor protective circuit breakers up to
their rated conditional short circuit current I
q
.
Figure 83. Fuseless Installation with XTPR, Back-Up Protection
Diagrams
135
246
I
>
I
>
I
>
135
246
I
>
I
>
I
>
Min. Cross-Section Protected
380-415V, 50 Hz, Cu mm
2
Device
Type
4 2.5 1.5 1 0.75
XTPRP16BC1
...
XTPR6P3BC1
XTPR010BC1
XTPR016BC1
XTPR020BC1
XTPR025BC1
XTPR016DC1
XTPR025DC1
XTPR032DC1
XTPR040DC1
XTPR050DC1
XTPR058DC1
XTPR063DC1
100
50
30
20
16
10
6
XTPR…D
XTPR…D
Back-up
protection
range
with XTPAXCL
Rated
short-circuit
breaking
capacity
range
16...
3225
40
50
63
XTPR...D + XTPAXCL
XTPR…D
Inherently
short-circuit-proof
415V AC
Inherently short-circuit proof
cn
cc
cc rms [kA]
Rated
Current
n [A]
Rated
Current
n [A]
XTPR…B
XTPR…B
415V AC
Inherently short-circuit proof
Back-up
protection
range
with XTPAXCL
Rated
short-circuit
breaking
capacity
range
100
50
30
20
16
10
6
0.16...
10
16
20
25
XTPR…B + XTPAXCL
XTPR…B
XTPR...B
Rated
Current
Inherently
short-circuit-proof
cn
cc
n [A]
cc rms [kA]
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