WashiON KYORITSU KEIKI SSK Series LEF and LEH Type Automatic Transfer Switches

Manufacturer: WashiON KYORITSU KEIKI
Model: SSK Series

Features

Designed with a small size and lightweight construction.
Mounting dimensions are the same as those of the E or NE type models.
Control and main circuits are enclosed in a protective casing.
Terminal covers are provided for both control and main circuits (main circuit cover is front type only).
Offered in a wide range of models to meet diverse application requirements.

Specifications

Model			61LEF,61LEH	62LEF,62LEH	64LEF,64LEH
Rated voltage			660V AC
Rated Current			100 A	200 A	400 A
Throw			Double Throw (D)
Connection			Front (F), Back (B)
Weight (kg)	2 P		8 (6.5)	9.5 (8)	16 (14)
	3 P		9.5 (8)	11.5 (10)	19 (17)
	4 P		11 (9.5)	13.5 (12)	22 (20)
Control current	2 P 3 P	100V DC	6.0 A	8.6 A	8.3 A
		100V AC	6.4 A	10.2 A	9.8 A
		200V AC	3.3 A	5.1 A	5.4 A
	4 P	100V DC	6.0 A	7.9 A	12.1 A
		100V AC	6.4 A	14.1 A	14.1 A
		200V AC	3.3 A	7.8 A	6.8 A
Coil insulation class			A class (short time rating)
Withstand Voltage	Main circuit		2500VAC, one minute (50/60Hz)
Withstand Voltage	Control circuit		2500VAC, one minute (50/60Hz)
Short time current capicity (1sec during conduction)			5 kA	10 kA	12 kA
Make and break capacity			Make and break at rated current
Life			Mechanical life at 20,000 times
Switching frequency			No. 4 (150 times/hr)
Switching characteristics(at rated voltage)	Close time		20~45 msec	20~40 msec	30~50 msec
Switching characteristics(at rated voltage)	Lap time		10~35 msec	10~40 msec	20~50 msec
Auxilliary contact make & break capacity			Max. 250V AC 15A, 110V DC 5A, Min. 24V DC 0.1A
Notes		1	For use in switching between power supplies, the phase difference between them must be adjusted to within an electrical angle of 7 degrees. (LEF type)
		2	Switching of current below the rated current can be made if it is done without power supply on one side. (20,000 times)(Not possible with the LEH type)
		3	The overlapping time can be changed with a timer provided externally.

Model			66LEF,66LEH	68LEF,68LEH	610LEF,610LEH	612LEF,612LEH	616LEF,616LEH
Rated voltage			660V AC
Rated Current			600 A	800 A	1000 A	1200 A	1600 A
Throw			Double throw (D)
Connection			Front (F), Back (B)
Weight (kg)	2 P		42 (38)	47 (43)		58 (51)
	3 P		49 (45)	55 (51)		65 (58)
	4 P		56 (52)	63 (59)		73 (66)
Control current	2 P 3 P	100V DC	6.3 A	7.1 A		9.7 A
		100V AC	7.2 A	8.1 A		11.5 A
		200V AC	3.6 A	4.1 A		5.6 A
	4 P	100V DC	8.7 A	9.7 A		12.0 A
		100V AC	10.2 A	11.5 A		15.5 A
		200V AC	4.9 A	5.6 A		7.4 A
Coil insulation class			A class (short time rating)
Withstand Voltage	Main circuit		2500VAC, one minute (50/60Hz)
Withstand Voltage	Control circuit		2500VAC, one minute (50/60Hz)
Short time current capicity (1sec during conduction)			15 kA	22 kA		25 kA
Make and break capacity			Make and break at rated current
Life			Mechanical life at 10,000 times
Switching frequency			No. 5 (30 times/hr)
Switching characteristics(at rated voltage)	Close time		45~75 msec	50~80 msec		50~80 msec
Switching characteristics(at rated voltage)	Lap time		55~95 msec	60~80 msec		70~120 msec

Model			620LEF,620LEH	630LEF,630LEH	640LEF,640LEH	650LEF,650LEH
Rated voltage			660V AC
Rated Current			2000 A	3000 A	4000 A	5000 A
Throw			Double Throw (D)
Connection			Front (F), Back (B)
Weight (kg)	2 P		100 (84)	110 (94)	170 (154)	190 (174)
	3 P		125 (109)	150 (134)	210 (194)	270 (254)
	4 P		150 (134)	190 (174)	250 (234)	350 (334)
Control current	2 P 3 P	100V DC	12.2 A	13.1 A	21.0 A	29.0 A
		100V AC	13.9 A	16.1 A	25.5 A	28.5 A
		200V AC	7.1 A	7.7 A	12.6 A	13.5 A
	4 P	100V DC	15.0 A	18.0 A	26.0 A	35.0 A
		100V AC	16.0 A	19.0 A	30.0 A	40.0 A
		200V AC	8.0 A	9.5 A	15.0 A	20.0 A
Coil insulation class			A class (short time rating)
Withstand Voltage	Main circuit		2500VAC, one minute (50/60Hz)
Withstand Voltage	Control circuit		2000VAC, one minute (50/60Hz)
Short time current capicity (1sec during conduction)			35 kA	50 kA	50 kA	50 kA
Make and break capacity			Make and break at rated current
Life			Mechanical life at 10,000 times
Switching frequency			No. 5 (30 times/hr)
Switching characteristics(at rated voltage)	Close time		50~80 msec	50~80 msec	40~60 msec	40~60 msec
Switching characteristics(at rated voltage)	Lap time		120~160 msec	120~160 msec	100~140 msec	100~140 msec
Auxilliary contact make & break capacity			Max. 250V AC 15A, 110V DC 5A, Min. 24V DC 0.1A
Notes		1	For use in switching between power supplies, the phase difference between them must be adjusted to within an electrical angle of 7 degrees. (LEF type)
		2	Switching of current below the rated current can be made if it is done without power supply on one side. (20,000 times)(Not possible with the LEH type)
		3	The overlapping time can be changed with a timer provided externally.

Overall Dimensions

(1) 61LEF~64LEF, 61LEH~64LEH

Modek	A			B	C	D			E	F	G	Front type		I	J	K	Front type			O	Back type			S 1	S 2	T			U	V
Modek	2P	3P	4P	B	C	2P	3P	4P	E	F	G	H1	H2	I	J	K	L	M	N	O	P	Q	R	S 1	S 2	2P	3P	4P	U	V
61LEF,61LEH	200	230	260	180	250	185	215	245	152	128.5	30	85	103	6	150	2.6	80	30	50	22	30	30	50	35	180	75	105	135	140	100
62LEF,62LEH	230	275	320	180	280	215	260	305	152	136	45	105	130	6	150	2.6	80	30	50	22	30	30	50	35	180	105	150	195	150	100
64LEF,64LEH	275	335	395	230	340	255	315	375	200	150	60	130	160	9	180	3.2	96	36	60	23	45	70	60	25	220	135	195	255	180	110

(2) 66LEF~616LEF, 66LEH~616LEH (Front Type)

Mode	A			B	C	D			E	F	G	H 1	H 2	I	J	K	L	M	N	O
Mode	2P	3P	4P	B	C	2P	3P	4P	E	F	G	H 1	H 2	I	J	K	L	M	N	O
66LEF,66LEH	400	465	530	360	500	370	435	500	330	220	65	225	245	14	295	3.2	155	55	100	95
68LEF,610LEF,68LEH,610LEH	430	510	590	360	580	400	480	560	330	227.5	80	265	285	14	295	3.2	155	55	100	95
612LEF,616LEF,612LEH,616LEH	470	570	670	360	610	440	540	640	330	237.5	100	280	300	14	310	3.2	170	70	100	110

(3) 66LEF~616LEF, 66LEH~616LEH (Back Type)

Mode	A			B	C	D			E	F	G	H 1	H 2	I	J	K	L	M	N	O
Mode	2P	3P	4P	B	C	2P	3P	4P	E	F	G	H 1	H 2	I	J	K	L	M	N	O
66LEF,66LEH	340	405	470	360	310	375	440	330	190	65	14	235	15	35	50	115	280	345	410	300
68LEF,610LEF,68LEH,610LEH	370	450	530	360	340	420	500	330	197.5	80	14	235	15	35	90	115	310	390	470	300
612LEF,616LEF,612LEH,616LEH	410	510	610	360	380	480	580	330	207.5	100	14	250	15	35	95	115	350	450	550	300

(4) 620LEF~650LEF, 620LEH~650LEH (Back Type)

Mode	A			B	C	D			E	F	G	H 1	H 2	I	J	K	L	M	N	O
Mode	2P	3P	4P	B	C	2P	3P	4P	E	F	G	H 1	H 2	I	J	K	L	M	N	O
66LEF,66LEH	400	465	530	360	500	370	435	500	330	220	65	225	245	14	295	3.2	155	55	100	95
68LEF,610LEF,68LEH,610LEH	430	510	590	360	580	400	480	560	330	227.5	80	265	285	14	295	3.2	155	55	100	95
612LEF,616LEF,612LEH,616LEH	470	570	670	360	610	440	540	640	330	237.5	100	280	300	14	310	3.2	170	70	100	110

WashiON KYORITSU KEIKI CO.

Features

Specifications

Overall Dimensions

(1) 61LEF~64LEF, 61LEH~64LEH

(2) 66LEF~616LEF, 66LEH~616LEH (Front Type)

(3) 66LEF~616LEF, 66LEH~616LEH (Back Type)

(4) 620LEF~650LEF, 620LEH~650LEH (Back Type)

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