Powermatic M-1791257 Extension cords, Volt, Single Phase Operation, Volt, Three Phase Operation

Check with a qualified electrician or service personnel if the grounding instructions are not completely understood, or if in doubt as to whether the tool is properly grounded.

Repair or replace a damaged or worn cord immediately.

Make sure the voltage of your power supply matches the specifications on the motor plate of the Band Saw. The machine should be connected to a dedicated circuit, and protected by a circuit breaker or time delay fuse, with minimum amp ratings as shown in Table 1. Local codes take

precedence over recommendations.

Extension cords

The use of an extension cord is not recommended for the 2013 or 2415 Band Saw. But if one is necessary, make sure the cord rating is suitable for the amperage listed on the machine’s motor plate. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating.

Use the chart in Figure 7 as a general guide in choosing the correct size cord. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the cord.

230 Volt, Single Phase Operation

As received from the factory, the single-phasemodel of the Band Saw is designed to run on 230 volt power. You may either install a plug or “hard- wire” the Band Saw directly to a service panel.

If connecting a plug, use a proper UL/CSA listed 2- pole, 3-wire grounding plug suitable for 230V operation.

If the Band Saw is to be hard-wired to a panel, make sure a disconnect is available for the operator. During hard-wiring of the Band Saw, make sure the fuses have been removed or the breakers have been tripped in the circuit to which the Band Saw will be connected. Place a warning placard on the fuse holder or circuit breaker to prevent it being turned on while the machine is being wired.

230 Volt, Three Phase Operation

The three-phasemodel is factory wired for 230 volt, but can be converted to 460 volt if so desired (see “Converting From 230 Volt to 460 Volt”). You may either install a plug or “hard-wire” the Band Saw directly to a service panel.

	Model	Recommended circuit*
1791257 (2HP 1PH 230V)		30 Amp
1791258	(3HP 3PH 230V)	30 Amp
1791258	(3HP 3PH 460V)	15 Amp
1791259 (3HP 1PH 230V)		30 Amp
1791260 (5HP 3PH 230V)		40 Amp
1791260 (5HP 3PH 460V)		20 Amp

*subject to local codes

Table 1

Recommended Gauges (AWG) of Extension Cords

			Extension Cord Length *
Amps		25	50	75	100	150	200
		feet	feet	feet	feet	feet	feet
< 5		16	16	16	14	12	12
5 to	8	16	16	14	12	10	NR
8 to 12		14	14	12	10	NR	NR
12 to	15	12	12	10	10	NR	NR
15 to	20	10	10	10	NR	NR	NR
21 to	30	10	NR	NR	NR	NR	NR

*based on limiting the line voltage drop to 5V at 150% of the rated amperes.

NR: Not Recommended.

Figure 7

If you are connecting a plug, use a proper UL/CSA listed 3-pole, 4-wire grounding plug suitable for 230 volt operation.

If the Band Saw is to be hard-wired to a panel, make sure a disconnect is available for the operator.

During hard-wiring of the Band Saw, make sure the fuses have been removed or the breakers have been tripped in the circuit to which the Band Saw will be connected. Place a warning placard on the fuse holder or circuit breaker to prevent it being turned on while the machine is being wired.

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