Baldor MN1940 installation manual Wire sizes, Cable length Minimum, Power wire ratings

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4.2.1 Wire sizes

Table 1 describes the wire sizes to provide optimal protection against EMI and RFI. Correct wire size is determined by the current requirement and the cable length. The actual cable type, wire gauge, shield type and filtering devices used are dependent on the customer’s application and system. Always use shielded twisted pairs for AC and DC supply cables. For logic wiring (see section 4.3) AWG22 wire is recommended.

Supply current	Cable length	Cable length		Minimum
	(meters)	(feet)		Wire Gauge
			AWG		mm2
	3	10	20		0.5
	8	25	20		0.5
1 A peak
	15	50	18		1.0
	23	75	18		1.0
	30	100	16		1.3
	3	10	20		0.5
	8	25	18		1.0
2 A peak
	15	50	16		1.3
	23	75	14		2.0
	30	100	14		2.0
	3	10	18		1.0
	8	25	16		1.3
3 A peak
	15	50	14		2.0
	23	75	12		3.3
	30	100	12		3.3
	3	10	18		1.0
	8	25	16		1.3
4 A peak
	15	50	14		2.0
	23	75	12		3.3
	30	100	12		3.3

Table 1 - Power wire ratings

MN1940 Input / Output 4-3