SJ300 Inverter
Inverter Mounting
and Installation
2–15
Determining wire and fuse sizes, continued...
Note 1: Field wiring must be made by a UL-listed and CSA certified ring lug terminal
connector sized for the wire gauge involved. The connector must be fixed by using
the crimping tool specified by the connector manufacturer.
Note 2: Be sure to consider the capacity of the circuit breaker to be used.
Note 3: Be sure to use a larger wire gauge if power line length exceeds 66 ft (20m).
Motor
Output
400V
Inverter
Models
Wiring *1
Power Lines *3 Chassis Ground
Brake Res.
HP kW AW G
mm
2
Fuse
(UL-
rated,
class J,
600V)
Breaker
( GFI
type) *2
AW G ,
rec.
AW G ,
UL
mm
2
AW G
mm
2
1 0.75 SJ300–007HFU/E 20 1.25 10A 10A 16 14 1.25 20 1.25
2 1.5 SJ300–015HFU/E 18 2 10A 10A 16 14 1.25 18 2
3 2.2 SJ300–022HFU/E 16 2 10A 10A 16 14 1.25 16 2
5 4.0 SJ300–040HFU/E 14 2 15A 15A 16 14 1.25 14 2
7.5 5.5 SJ300–055HFU/E 12 2 15A 15A 14 14 2 12 2
10 7.5 SJ300–075HFU/E 10 3.5 20A 20A 10 12 3.5 10 3.5
15 11 SJ300–110HFU/E 8 5.5 30A 30A 8 10 5.5 8 5.5
20 15 SJ300–150HFU/E 6 8 40A 40A 8 10 8 — —
25 18.5 SJ300–185HFU/E 6 14 50A 50A 4 10 14 — —
30 22 SJ300–220HFU/E 4 14 60A 60A 4 10 14 — —
40 30 SJ300–300HFU/E 3 22 70A 70A 3 10 22 — —
50 37 SJ300–370HFU/E 1 14 || 14 90A 90A 3 8 22 — —
60 45 SJ300–450HFU/E 1 AWG
(75°C)
38 125A 125A 1 8 22 — —
75 55 SJ300–550HFU/E 1/0 || 1/0 22 || 22 125A 125A 1 6 30 — —
100 75 SJ300–750HFU/E 3/0 (1/0
|| 1/0
AWG)
30 || 30 175A 175A 1/0 6 50 — —
125 90 SJ300–900HFU/E 3/0 (1/0
|| 1/0
AWG)
38 || 38 200A 200A 3/0 6 80 — —
150 110 SJ300–1100HFU/E 1/0 || 1/0 50 || 50 250A 250A 3/0 4 80 — —
175 132 SJ300–1320HFE 3/0 || 3/0 80 || 80 300A 300A 4/0 4 100 — —
200 150 SJ300–1500HFU 3/0 || 3/0 80 || 80 300A 300A 4/0 4 100 — —
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