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Type 1 and Type 2 DC surge protector

DS252E-420DC

Part Number: 64005

DS25xE-420DC surge protectors are designed to protect equipment connected to DC power supplies from lightning surges.

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Electrical Properties Mechanical Properties Norms Deconnector Schematics

Network		400 Vdc
Max. DC operating voltage	Uc	420 Vdc
Residual Current Leakage current to Ground	Ipe	< 3 mA
Follow current	If	None
Nominal discharge current 15 x 8/20 µs impulses	In	25 kA
Max. discharge current max. withstand @ 8/20 µs by pole	Imax	140 kA
Impulse current by pole max. withstand 10/350µs by pole	Iimp	25 kA
Total lightning current max. total withstand @ 10/350µs	Itotal	50 kA
Specific energy by pole max. withstand 10/350 µs	W/R	156 kJ/ohm
Protection level +/PE (-/PE) @ In (8/20µs)	Up	1.5 kV
Admissible short-circuit current	Isccr	50 000 A

Connection to Network		By screw terminals: 6-35mm² / by bus
Mounting		Symmetrical rail 35 mm (EN 60715)
Housing material		Thermoplastic UL94 V-0
Operating temperature	Tu	-40/+85°C
Protection rating		IP20
Disconnection indicator		1 mechanical indicator by pole
Remote signaling of disconnection		Output on changeover contact
Dimensions		See diagram
Weight		0.55 kg

Standards compliance		IEC 61643-11 / EN 61643-11
Certification

Thermal disconnector		Internal
Back-up protection device		Fuses type gG - 315 A