3)Max. discharge current(8/20) Imax x 1 time 50KA.Type 2 surge arrester for low-voltage power supply system protection against surges at the boundaries from lightning protection zone 1-2 and higher.

Type		SPxxx/3PN (-S)
		150		275			320	385
In accordance with		IEC61643-11:2011; UL1449 3rd
Category IEC/VDE		II/ C
Max. continuous operating voltage (V)	L – N (AC/DC)	150 /200		275 /350			320 /420	385 /505
	N–PE AC	255		255			255	255
Nominal discharge current(8/20) In	L–N	20kA
	N-PE	20kA
Max. discharge current(8/20) Imax	L-N	40kA		40kA			40kA	40kA
	N-PE	40kA		40kA			40kA	40kA
Voltage protection level	L-N @In	<0.8kV		<1.4kV			<1.5kV	<1.8kV
	L-N @MLV	<1.7kV		<2.1kV			<2.2kV	<2.3kV
	N-PE @MLV	<1.2kV		<1.7kV			<1.7kV	<1.7kV
	N–PE@(1.2/50)	<1.5kV		<1.5kV			<1.5kV	<1.5kV
Response time	L-N	≤25 ns
	N-PE	≤100 ns
Follow current	L-N	No
	N-PE	Ifi: 100Arms @ 255Vac
Backup fuse(only required if not already provided in mains)		125A gL/gG
Operating temperature range		- 40ºC ~ + 80ºC
Cross-section of connection wire		Single-strand 35mm2; multi-strand 25mm2
Mounting		35mm DIN-rail in accordance with EN 50022/DIN46277-3
Enclosure material		thermoplastic; extinguishing degree UL94 V-0
Degree of protection		IP20
Installation width		4 modules, DIN 43880
Thermal disconnector		Internal green – normal ; red - failure
Remote alarm contact		Optional
SCCR		200kA			200kA	200kA		200kA
Approvals, Certifications		KEMA /CE			KEMA /CE	KEMA/ /CE		KEMA/CE
Additional data for Remote Alarm Contacts
Remote alarm contact type			Isolated Form C
Switching capability Un/In			AC: 250V/0.5A DC: 250V/0.1A; 125V/0.2A; 75V/0.5A
Max. Size of connecting wire			Max. 1.5mm2(or # 16AWG)

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