DC power surge protector

DDC50S-21Y-800

Part Number: 828511363

DC power Type 2 SPD
For Energy Storage/EV Charging
In/Imax: 20/50 kA
Pluggable modules
Remote signaling
prIEC 61643-41 compliance

The DDC50 range is type 2 pluggable surge protectors designed for protection to battery storage system. The technology based on high energy varistor equipped with thermal disconnection mechanism offers protection efficiency and and a maximal reliability.

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Electrical Properties Mechanical Properties Norms Deconnector Schemas

SPD type		2
Nominal DC voltage	Un-dc	650 Vdc
Max. DC operating voltage	Uc	800 Vdc
Residual Current	Ipe	< 0.1 mA
Nominal discharge current	In	20 kA
Max. discharge current	Imax	50 kA
Impulse current by pole	Iimp	4 kA
Protection level +/-	Up	2.5 kV
Protection level +/PE (-/PE)	Up	2.5 kV
Admissible short-circuit current	Isccr	100 000 A

Network type		DC
Connection to Network		By screw terminals: 2.5-25mm²
Plugable		Yes
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		1 mechanical indicator by pole - Red/Green
Spare module(s)		MDDC50-800
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 - 3 TE (EN43880)
Weight		0.308 kg

Standards compliance

prIEC 61443-41 - IEC61643-11

Thermal disconnector		Internal
Fuses		50 A min. (Isccr 100 kA) - 125 A max. (Isccr 50 kA) - gBat Fuses