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Basic Installation 3-13MN1901
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
Continuous
D-Type
Time
Minimum
Input
Output
Input
Dela
Wire Gauge
a
a
og
um
e
o
age
mps
(RMS)
ea
e
(A)
npu
Fuse
(A)
AWG mm
2
MDH1A02xx-xxxx 115V (1Φ) 2.5A 6 6 14 2.0
MDH2A02xx-xxxx 230V (1Φ) 2.5A 6 6 14 2.0
MDH1A05xx-xxxx 115V (1Φ) 5A 10 10 14 2.0
MDH2A05xx-xxxx 230V (1Φ) 5A 10 10 14 2.0
MDH1A07xx-xxxx 115V (1Φ) 7.5A 16 16 14 2.0
MDH2A07xx-xxxx 230V (1Φ) 7.5A 16 16 14 2.0
MDH4A02xx-xxxx
230-460V
(3Φ)
2.5A 6 6 14 2.0
MDH4A05xx-xxxx
230-460V
(3Φ)
5A 10 10 14 2.0
MDH4A07xx-xxxx
230-460V
(3Φ)
7.5A 16 16 14 2.0
MDH2A15xx-xxxx 230V (3Φ) 15A 32 32 12 3.3
MDH4A15xx-xxxx
230-460V
(3Φ)
15A 32 32 12 3.3
MDH4A20xx-xxxx
230-460V
(3Φ)
20A 40 40 10 5.3
MDH4A27xx-xxxx
230-460V
(3Φ)
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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