State Industries SSED 5 instruction manual Standard KW Inputs

TABLE 1.

Allowable Ampacities of Insulated Conductors

Not More Than Three Conductors in Raceway or Cable or Earth (Directly Buried), Based on Ambient Temperature of 30°C (86°F)

Size				Temperature Rating of Conductor					Size
	60°C	75°C	85°C	90°C	60°C	75°C	85°C	90°C
	(140°F)	(167°F)	(185°F)	(194°F)	(140°F)	(167°F)	(185°F)	(194°F)
		TYPES		TYPES		TYPES		TYPES
		FEPW		TA, TBS
						RH, RHW		TA, TBS,
		RH, RHW		SA, AVB
	TYPES				TYPES	RUH		SA, AVB	AWG
AWG		RUH,	TYPES	SIS, =FEP,			TYPES
	RUW, T				RUW, T	THW,		SIS,
		THW,	V, MI	=FEPB,			V, MI
	TW, UF				TW, UF	THWN		=RHH,	MCM
MCM		THWN,		=RHH,
						XHHW,		=THHN,
		XHHW		=THHN,
						USE		=XHHW*
		USE, ZW		=XHHW*
		COPPER			ALUMINUM OR COPPER-CLAD ALUMINUM
18	......	......	......	21	......	......	......	......	......
16	......	......	22	22	......	......	......	......	......
14	15	15	25	25	......	......	......	......	......
12	20	20	30	30	15	15	25	25	12
10	30	30	40	40	25	25	30	30	10
8	40	45	50	50	30	40	40	40	8
6	55	65	70	70	40	50	55	55	6
4	70	85	90	90	55	65	70	70	4
3	80	100	105	105	65	75	80	80	3
2		115	120	120	75	90	95	95	2
1		130	140	140		100	110	110	1
0		150	155	155		120	125	125	0
00		175	185	185		135	145	145	00
000		200	210	210		155	165	165	000
0000		230	235	235		180	185	185	0000
250		255	270	270		205	215	215	250
300		285	300	300		230	240	240	300
350		310	325	325		250	260	260	350
400		335	360	360		270	290	290	400
500		380	405	405		310	330	330	500
				CORRECTION	FACTORS
Ambient	For ambient temperatures over 30°C, multiply the ampacities shown by the appropriate correction factor to determine the maximum								Ambient
Temperature									Temperature
	allowable load current.
°C									°F
31-40	.82	.88	.90	.91	.82	.88	.90	.91	86–­104
41-50	.58	.75	.80	.82	.58	.75	.80	.82	105–122
51-60	......	.58	.67	.71	......	.58	.67	.71	123–141
61-70	......	.35	.52	.58	......	.35	.52	.58	142–158
71-80	......	......	.30	.41	......	......	.30	.41	159–176

=The load current rating and the overcurrent protection for these conductors shall not exceed 15 amperes for 14 AWG, 20 amperes for 12 AWG, and 30 amperes for 10 AWG copper; or 15 amperes for 12 AWG and 25 amperes for 10 AWG aluminum and copper-clad aluminum.

TABLE 2.

STANDARD KW INPUTS

Standard		Immersion	Number of 50A Contractors					Full Load Current In Amperes
KW		Heaters***					Single Phase				Three Phase
		No. Of
Ratings			208V	240V	480V	208V	240V	277V	480V	208V		240V	480V
		Wattage
3	1	3,000				14.4	12.5	10.8	6.3	8.3		7.2	3.6
6	1	6,000	1			28.8	25.0	21.2	12.5	16.7		14.4	7.2
9	1	9,000		1	1	43.3	37.5	32.5	18.8	25.0		21.7	10.8
12	1	12,000				57.7	50.0	43.3	25.0	33.3		28.9	14.4
15	1	15,000
						72.1	62.5	54.2	31.3	41.6		36.1	18.0
18*	1	18,000				86.5	75.0	65.0	37.5	50.0		43.3	21.7
24	2	12,000	2			115.4	100.0	86.6	50.0	66.6		57.7	28.9
30	2	15,000		2		144.2	125.0	108.3	62.5	83.3		72.2	36.1
						173.1	150.0	130.0	75.0	99.9		86.6	43.3
36*	2	18,000
						216.3	187.5	162.5	93.8	124.9		108.3	54.1
45	3	15,000	3	3
						N/A	225.0	194.9	112.5	149.9		129.9	65.0
54	3	18,000			2
60**	4	15,000	4	4		N/A	250.0	216.6	125	166.7		145	72
75**	5	18,000	5	5	3	N/A	N/A	N/A	156	208.4		181	90
90**	5	18,000				N/A	N/A	N/A	188	250		217	108

*208V models use one additional immersion heater.

**Available on 50 gallon models or larger.

***Each immersion heater contains three electric elements.

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