Surges represent transients that might be induced in cables by lightning. By their nature, fairly high energy charges may easily damage or upset unprotected electronics circuits and components. Surges are not a new problem. Many companies have been testing their products at various stages of the products life: design tests, qualification tests, production tests and diagnostic tests.

The advance of surge suppression devices and technique does not lessen the importance of surge testing, but rather increases it, as the requirement to reduce power consumption and to increase the operational speed of semiconductors has become more demanding. In addition, the issue of surge testing is attracting renewed interest since this form of immunity is now a must for almost all electronic products for access to the global market.

"Output voltage 15kV, current 7500A" which can conduct breakdown resistibility test
"50% reduction of the output interval" which can drastically reduce the test time
"Touch-panel" adopted for the easy test setting
"Multi-languages" for the easy operation processing available
"Indicator" which is linked with the test setting equipped
PC control available with the optional software
"Emergency stop" & "Interlock terminal" which secure the test operator equipped
"Output waveform monitor terminal" which can ease pre-checking of the waveforms prior to the actual test

SPECIFICATIONS

Surge Generating Unit

Parameter	Specifications	Remarks
1.2/50µs-8/20µs Combination waveforms	Output voltage 0.5kV to 15kV ±10% Front time 1.2µs ±30% Duration 50µs ±20% Output current 250A to 7500A ±10% Font time 8µs ±20% Duration 20µs ±20%	Common for the all models Voltage step : 0.1kV step The setting can be from 0kV
10/700µs-5/320µs Combination waveforms	Output voltage 0.5kV to 15kV ±10% Front time 10µs ±30% Duration 700µs ±20% Output current 12.5A to 375A ±10% Front time 5µs ±20% Duration 320µs ±20%	Models: C1/C3 Voltage step : 0.1kV step The setting can be from 0kV
Output polarity	Positive / Negative
Interval	10 sec. to 989 sec., depending on the set voltage 10 sec. (<6kV)	15 sec. and over in 10/700 µs waveform
Output impedance	1.2/50µs waveform : 2O ±10% 10/700µs waveform : 40O ±10%

AC/DC CDN

Parameter	Specifications	Remarks
Coupling surge waveform	1.2/50µs-8/20µs combination waveforms
Max. coupling surge voltage / current	Up to the values which can be set
Coupling network Correspondent to IEC61000-4-5	18µF: Between LINE - LINE (10O +9µF selectable)
Coupling network Correspondent to IEC61000-4-5	10O: ±9µF Between LINE - PE (18µF selectable)
Injection mode	Between LINE - LINE, Between LINE - PE
Power supply lines structure for EUT	Single phase AC: L/N/PE DC : +/-/PE	Models : A1 / C1
Power supply lines structure for EUT	3-phase AC : L1/L2/L3/N/PE (Common for single phase and 3-phase) DC : +/-/PE	Models : A3 / C3
EUT power capacity	AC240V/20A MAX. 50/60Hz, DC125V/20A MAX	Models : A1 / C1
EUT power capacity	AC500V/50A MAX. 50/60Hz. DC125V/50A MAX	Models : A3 / C3
Decoupling coil	1.5mH
Phase angle control	0 to 360° ±10°

CDN for Telecom lines (Only in models C1 and C3)

Parameter	Specifications		Remarks
Coupling surge waveform	1.2/50µs-8/20µs combination waveforms 10/700µs-5/320µs combination waveforms
Max. coupling surge voltage / current	Up to the values which can be set
Impedance matching resistors	40O	80O per 1 line at 2 lines 160O per 1 line at 4 lines	1.2/50 µs waveform
Impedance matching resistors	25O	0O per 1 line at 2 lines 100O per 1 line at 4 lines	10/700 µs waveform
Coupling mode	Common mode / Normal mode
Coupling network	Gas arrestor : 90V
Line for EUT	2 lines / 4 lines DC50V/100mA MAX		Selectable
Decoupling coil	20mH

Others

Parameter	Specifications	Remarks
Voltage monitor	BNC output, 1/2000±10%	In open-circuit for SURGE OUT
Current monitor	BNC output, 1mV/A±10%	In short-circuit for SURGE OUT
External communication	RS-232C optical communication
Power supply	AC100V to AC240V ±10%, 50Hz / 60Hz
Dimensions	W555�H1800�D790 mm	Projection excluded
Mass	Approx. 300kg	Models: A1 / A3
Mass	Approx. 340kg	Models: C1 / C3

SELECTION GUIDE TABLE

Model

LSS-F02

Output waveform

AC/DC Power Line CDN

Telecom Line CDN

1.2/50 µs

(8/20 µs)

10/700 µs

(5/320 µs)

Single phase

AC240V/30A, DC60V/20A

Single and 3-phase

AC600V/50A, DC60V/20A

DC50 V 100mA

A1A

Available

A3A

Available

Accesorii standard

STANDARD ACCESSORIES

Items	Specifications/FUnctions	Quantity	Correspondent models
Surge output cable	HOT/COM	2 pcs.	A1/A3/C1/C3
Output cable to power supply lines	For single phase : L / N / PE	3 pcs.	A1/C1
Output cable to power supply lines	For 3-phase : L1 / L2 / L3 / N / PE	5 pcs.	A3/C3
Output cable to telecom lines	For 1 to 4 lines and GND	5 pcs.	C1/C3
Arrestor unit	For coupling : Equipped to main unit panel	4 pcs.	C1/C3
Arrestor unit	For input protection : Equipped to main unit panel	4 pcs.	C1/C3
Cable for monitor	BNC-BNC cable	1 pc.	A1/A3/C1/C3
External interlock connector	5P plug (Short between #1 - #3)	1 pc.	A1/A3/C1/C3
Power supply cable	For AC100V, 3P equipped with G connector cable	1 pc.	A1/A3/C1/C3
High voltage connector cap	Equipped to main unit panel	5 pcs.	A1/C1
High voltage connector cap	Equipped to main unit panel	7 pcs.	A3/C3
FG cable	For grounding the body	1 pc	A1/A3/C1/C3
Instruction manual	In Japanese/ English	1 each	A1/A3/C1/C3

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