Product designation			Surge Protection Device (SPD)
Product type designation			SG2
Operating voltage type			AC
Application			AC Power lines
Number of poles			1P+N
Number of DIN modules			2
SPD according to IEC/EN 61643-11			YES
Electrical features
IEC Maximum continuous voltage Uc		V	300
IEC Maximum discharge current Imax 8/20 (L-N/N-PE)		kA	50 / 65
IEC Rated discharge current (IEC) In 8/20 (L-N/N-PE)		kA	20
IEC Voltage protection level Up (L-N/N-PE)		kV	<1.5 / <1.5
IEC Follow current If (N-PE) rms		A	100
Tripping time ta (L-N/N-PE)		ns	<25 / 100
Thermal insulation protection			YES
IEC Backup protection fuse with supply fuse >315A (L-N/N-PE)		Class/A	315A / 250A Gg
IEC Maximum short circuit current at 50Hz		kA	25 / 50
Status indicator - operating / end of life			Frontal indication
Ambient conditions
Operating temperature
	min	°C	-40
	max	°C	+85
Max altitude		m	2000
Mechanical features
Fixing			Din rail
Conductor section Flexible max (IEC)		mm²	25
Conductor section Rigid max (IEC)		mm²	35
Weight		g	234
Relay output for remote status indication
Rated current at
	48V DC	A	0.5
ETIM classification
ETIM 8.0			EC000941 - Surge protection device for power supply systems

EAC

IEC/EN 61643-11

SG21NA300

Compare

Surge protection device type 2 with plug-in cartridge, rated discharge current In (8/20μs) 20kA per pole, 1P+N

Order code	SG21NA300
Weight [g]	265.4
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	110X100X045
Volume [cm³]	495
Bar code [EAN13]	8013975232729
HS Code	85365080

Data Sheet

360°

Dimensions

Wiring diagram

Configurators

Catalogue