Type 2+3 Surge Protection Device SLP20-275/3S

Location of Use: Sub-Distribution Boards

Network Systems: TN-C

Mode of Protection: L-PEN

Surge Ratings: I_n = 10kA (8/20 μs)

Open Circuit Voltage: U_oc = 20kV (1.2/50 μs)

IEC/EN Category: Class II+III / Type 2+3

Protective Elements: High Energy MOV

Housing: Pluggable design

Compliance: IEC 61643-11:2011, EN 61643-11:2012

Main Specification

Model No.	SLP20-275/3S
	SPD according to IEC/EN 61643-11	Type 2+3 / Class II+III / Class C+D
	Nominal voltage U_n	230V
	Max. continuous operating voltage U_c	275V
	Nominal discharge current (8/20 μs) I_n	10kA
	Maximum discharge current (8/20 μs) I_max	20kA
	Open circuit voltage (1.2/50 μs) U_oc	20kV
	Voltage protection level U_p	≤ 1.2kV
	Max. backup fuse	63 A gG
	Type of remote signalling contact	yes / changeover contact