TDK 750W, 1500W technical manual Awg, Wire termination

2.Wire size should be selected to enable voltage drop per lead to be less than 1.0V at the rated current. Although units will compensate for up to 5V in each load wire, it is recommended to minimize the voltage drop (1V typical maximum) to prevent excessive output power consump- tion from the power supply and poor dynamic response to load changes. Please refer to Ta- bles 3-2 and 3-3 for minimum wire length (to limit voltage drop) in American and European di- mensions respectively.

Wire size	Resistivity			Maximum length in Feet to limit
				voltage drop to 1V or less
AWG	OHM/1000ft
		5A		10A	20A	50A	150A
14	2.526	80		40	20	8	2
12	1.589	120		60	30	12	3.4
10	0.9994	200		100	50	20	6
8	0.6285	320		160	80	32	10
6	0.3953	500		250	125	50	16
4	0.2486	800		400	200	80	26
2	0.1564	1200		600	300	125	40
0	0.0983	2000		1000	500	200	68
Table 3-2: Maximum wire length for 1V drop on lead (in feet)
Cross sect.	Resistivity		Maximum length in meters to limit
area				voltage drop to 1V or less
	OHM/Km
(mm²)		5A		10A	20A	50A	150A
2.5	8.21	24.0		12.0	6.0	2.4	0.8
4	5.09	39.2		18.6	9.8	4.0	1.4
6	3.39	59.0		29.4	14.8	5.8	2.0
10	1.95	102.6		51.2	25.6	10.2	3.4
16	1.24	160.0		80.0	40.0	16.0	5.4
25	0.795	250.0		125.0	62.0	25.2	8.4
35	0.565	354.0		177.0	88.0	35.4	11.8

Table 3-3: Maximum wire length for 1 V drop on lead (in meters)

For currents not shown in Table 3-2 and 3-3, use the formula:

Maximum length=1000/(current x resistivity)

Where current is expressed in Amperes and resistivity in ohms/km or ohms/1000ft.

3.9.3Wire termination

The wires should be properly terminated with terminals securely attached. DO NOT use unterminated wires for load connection at the power supply.

CAUTION

When local sensing, a short from +LS or +S to -V or -S or -LS, will cause damage to the power supply. Reversing the sense wires might cause damage to the power supply in local and remote sensing. (Do not connect -S to +V or +S to -V).

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83-507-013 Rev. D