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Basic Installation 3-13
MN1901
3.4.6 Wire sizes and protection device ratings
Table 2 describes the wire sizes to be used for AC input power and motor output connections,
together with the ratings for protection devices.
Nominal
Input
Continuous
Output
D-Type
Input
Time
Delay
Minimum
Catalog Number
Input
Voltage
Output
Amps
yp
Input
Breaker
Delay
Input
Minimum
Wire Gauge
Catalog Number
Voltage
Amps
(RMS)
Breaker
(A)
Input
Fuse
(A)
AWG
mm
2
MDH1A02
xx-xxxx
115V (1
Φ
)
2.5A
6
6
14
2.0
MDH2A02
xx-xxxx
230V (1
Φ
)
2.5A
6
6
14
2.0
MDH1A05
xx-xxxx
115V (1
Φ
)
5A
10
10
14
2.0
MDH2A05
xx-xxxx
230V (1
Φ
)
5A
10
10
14
2.0
MDH1A07
xx-xxxx
115V (1
Φ
)
7.5A
16
16
14
2.0
MDH2A07
xx-xxxx
230V (1
Φ
)
7.5A
16
16
14
2.0
MDH4A02
xx-xxxx
230-460V
(3
Φ
)
2.5A
6
6
14
2.0
MDH4A05
xx-xxxx
230-460V
(3
Φ
)
5A
10
10
14
2.0
MDH4A07
xx-xxxx
230-460V
(3
Φ
)
7.5A
16
16
14
2.0
MDH2A15
xx-xxxx
230V (3
Φ
)
15A
32
32
12
3.3
MDH4A15
xx-xxxx
230-460V
(3
Φ
)
15A
32
32
12
3.3
MDH4A20
xx-xxxx
230-460V
(3
Φ
)
20A
40
40
10
5.3
MDH4A27
xx-xxxx
230-460V
(3
Φ
)
27.5A
60
60
10
5.3
Table 2 - Protection device and wire ratings
Note:
All wire sizes are based on 75°C (167°F) copper wire. Higher temperature smaller
gauge wire may be used per National Electric Code (NEC) and local codes.
Recommended fuses/breakers are based on 25°C (77°F) ambient, maximum
continuous control output current and no harmonic current. Earth/ground wires
must be the same gauge, or larger, than the Line and Neutral wires.
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