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Type 1+2 AC surge protector - 1-pole

DS250E-48DC

Part Number 63909

DS250E-48DC 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 Schemas

SPD type		1+2
Network		48 Vdc
Nominal line voltage	Un	48 Vdc
Nominal DC voltage	Un-dc	48 Vdc
Max. DC operating voltage	Uc	75 Vdc
Residual Current Leakage current to Ground	Ipe	< 0.1 mA
Operating current Continious current at Uc	Ic	< 0.1 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	70 kA
Total Maximum discharge current max. total withstand @ 8/20 µs	Imax Total	140 kA
Impulse current by pole max. withstand 10/350µs by pole	Iimp	25 kA
Specific energy by pole max. withstand 10/350 µs	W/R	156 kJ/ohm
Connection mode(s)		+/PE or -/PE
Protection mode(s)		Common mode
Protection level +/PE (-/PE) @ In (8/20µs)	Up	500 V

Technology		MOV
SPD configuration		Single phase
Connection to Network		By screw terminals: 6-35mm² / by bus
Format		1-pole modular box
Mounting		Symmetrical rail 35 mm (EN 60715)
Housing material		Thermoplastic UL94 V-0
Operating temperature	Tu	-40/+85°C
Protection rating		IP20
Failsafe mode		Disconnection from DC network
Disconnection indicator		3 mechanical indicators
Remote signaling of disconnection		Output on changeover contact
Wiring for remote signaling		1.5 mm² max.
Max. Voltage/Current for remote signaling		250 V / 0.5 A (AC) / 30 V / 3 A (DC)
Dimensions		See diagram
Weight		0.25 kg

Standards compliance		IEC 61643-11 / EN 61643-11 / UL1449 ed.5
Certification

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