Product Introduction

EKM6DC-630 DC Molded Case Circuit Breaker is a high-capacity protection device designed for DC electrical systems. With a rated current range of 400A to 630A and a voltage capacity of up to 1500V, it is ideal for large-scale solar PV and wind power installations. Its thermal-magnetic trip unit ensures precise protection against overloads and short circuits. Built to meet IEC60947-2 standards, the EKM6DC-630 delivers reliable performance in demanding environments.

Product Parameters

Model			EKM6DC-630	EKM6DC-630V
Ampere frame (Inm)			630A	630A
Rated current (In)			400,500,630A	2400,500,630A
Rated impulse withstand voltage (Uimp)			12kV
Rated operational voltage (Ue)		2P	250,500,750,1000,1250,1500 VDC
		3P	1000,1500 VDC
Rated ultimate short-circuit Breaking capacity (Icu)	2P	DC250V	25	70
		DC500V	25	70
		DC750V	15	50
		DC1000V	15	50
		DC1250V	/	20
		DC1500V	10	20
	3P	DC1000V	30	/
		DC1500V	25	/
Rated service short-circuit breaking capacity (Ics) kA			100% Icu
Isolation function			Available
Utilization category			Cat.A
Type of trip unit			Thermal-Magnetic
Mechanical life (Times)			20000
Electrical life (Times)			1500
Arcing distance (mm)			≤100

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