ATDM5DC-630 1500V 630A for Utility-Scale Solar Projects DC Breaker

Built for high-power distribution, the ATDM5DC-630 handles heavy electrical loading up to 630A with a 35kA breaking capacity. It is specifically designed to meet the rigorous demands of wind turbine nacelles and utility-scale solar farms. Its fast reclosing feature minimizes system downtime, ensuring continuous power delivery for large-scale energy projects.

ATDM5DC-630 Wind Power Utility DC Breaker DC1000V/DC1500V

Features & Benefits

Rated Current (In): 400A, 500A, 630A

Insulation Voltage (Ui): 1500V

Impulse Voltage (Uimp): 12kV

Operational Voltage (Ue): DC250V, DC500V, DC750V, DC1000V, DC1500V

Breaking Capacity (Icu): DC1000V: 35kA / DC1500V: 25kA (2P); DC1000V/1500V: 30kA/25kA (3P)

Service Capacity (Ics): 100%Icu

Standards: GB/T14048.1, GB/T14048.2

Inquiry Download

Share to

Product Details

Model		ATDM5DC-630	ATDM5DC-630
Model		2P External Dimensions	3P External Dimensions
Rated current (A)	In	400A、500A、630A
Rated insulation voltage（V)	Ui	1500V
Rated impulse withstand voltage（kV)	Uimp	12kV
Rated operational voltage (V)	Ue	DC250V、DC500V、DC750V、DC1000V、DC1500V	DC1000V、DC1250V、DC1500V
Rated Ultimate Short-circuit Breaking Capacity (kA)	Icu	DC1000V:35 DC1500V:25	DC1000V:30 DC1500V:25
Rated service short-circuit breaking capacity（kA）	Ics	100%Icu
Connection Method		Pic1	Pic2
Isolation Function		Available
Utilization Category	Cat.	A
Mechanical Life	Times	20000
Electrical Life	Times	1500
Arcing Distance	mm	≯100
Dimensions	mm	270x130x156	270x182x156
Reference Ambient Temperature	℃	40

ATDM5DC-630 Wind Power Utility DC Breaker

ATDM5DC-630 Mounting dimension of front connection(2P)

ATDM5DC-630 Mounting dimension of front connection(3P)

Tripping characteristic curve

Note: The characteristic curve is measured under cold conditions and three-phase load

Tripping characteristic curve-630

Professional DC Circuit Protection Solutions (ATDM5DC Series)

The ATDM5DC Series represents the pinnacle of high-voltage DC protection, specifically engineered for the rigorous demands of modern renewable energy infrastructure. Rated for operational voltages up to DC 1500V, these Moulded Case Circuit Breakers (MCCB) provide a versatile safety backbone for Utility-Scale Solar PV, Wind Power, and Battery Energy Storage Systems (BESS).

Key Technical Advantages

●High-Voltage Leadership: Fully optimized for DC 1500V electrical systems, ensuring compatibility with the latest global high-efficiency power architectures.
●Certified Safety & Isolation: Features a dedicated isolation function (Symbol:⊥⭕ ) that guarantees complete circuit disconnection for secure maintenance and operational peace of mind.
●Extreme Environmental Resilience: Engineered to perform reliably in harsh climates, with a temperature tolerance ranging from -45°C to +70°C and stable operation at altitudes up to 2000m.
●Industrial-Grade Durability: Rated for Pollution Level 3, the series utilizes advanced corrosion-resistant materials to prevent interference from conductive dust and gases in demanding industrial sites.
●Flexible Installation: Designed for versatile deployment, these breakers can be installed horizontally or vertically without compromising performance or protection integrity.

Global Application Scope

Whether protecting Solar Combiner Boxes and DC Busbars, securing Battery Racks in Energy Storage Systems, or managing Wind Turbine control circuits and EV Charging infrastructure, the ATDM5DC series delivers the high-breaking capacity and thermal stability required for critical DC applications worldwide.