Installation Manual

TABLE 3. MINIMUM SUPPLY WIRE SIZE REQUIREMENTS

Minimum Size Wire (AWG)

Cu Only

Maximum Motor

Current

(DC Amps)

Maximum

Motor

HP 90 V

Maximum

Motor

HP 180 V

Max 50 Foot Run Max 100 Foot Run

6 0.5 1 16 14

12 1 2 14 12*

16 1.5 3 12 12

*Minimum recommended wire size.

TABLE 4. FUSE SELECTION CHART*

HORSEPOWER

90 VDC

Motor

180 VDC

Motor

Approx.

Motor Current

(DC Amps)

Fuse Rating

(AC Amps)

1/100 1/50 0.1 2/10

1/50 1/25 0.2 3/10

1/30 1/15 0.3 1/2

1/20 1/10 0.5 3/4

1/15 1/8 0.7 1

1/10 1/5 1.0 1 –1/2

1/8 1/4 1.3 2

1/6 1/3 1.7 3

1/4 1/2 2.5 4

1/3 3/4 3.3 5

1/2 1 5.0 8

3/4 1 –1/2 7.5 12

1 2 10.0 15

1 –1/2 3 15.0 25

*Note: Specific applications may require a different fuse value

than indicated. This is based on several factors such as ambient

temperatures, duty cycle, motor form factor and CL setpoint.