Photovoltaic MCCB 1500V DC 1600A 85kA Array Fault Isolation

Name: Photovoltaic MCCB 1600A 1500V DC 85kA - ETEK Electri
SKU: EKM7DC_MCCB

Securing utility-scale solar arrays, the Photovoltaic MCCB delivers uncompromised DC 1500V isolation. This high-capacity molded case circuit breaker manages 100A to 1600A continuous direct currents, ensuring rigorous 85kA fault protection for non-polarity commercial networks.

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ModelEKM7DC_MCCB

CategoryMolded Case Circuit Breakers, Circuit Breakers

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the Photovoltaic MCCB

Engineered to withstand extreme direct current stresses, this Photovoltaic MCCB provides instantaneous non-polarity disconnection for advanced solar architectures.

Voltage Scalability: Safely operates up to DC 1500V with a robust rated insulation voltage of 1600V, maximizing array capacity.
Ultimate Breaking Capacity: Clears severe fault currents up to 85kA (Ics=Icu) at DC 750V, preventing catastrophic solar mccb panel failures.
Non-Polarity Wiring: Meets diverse installation requirements with bidirectional wiring capabilities, allowing vertical or horizontal mounting within the enclosure.
High-Voltage Endurance: Withstands severe grid surges with an exceptional 12kV rated impulse withstand voltage (Uimp).

Field Applications for DC Distribution

Integrating the EKM7DC_MCCB model minimizes critical downtime across specialized commercial and industrial direct current infrastructures.

Applications & Use Cases:

Photovoltaic Systems: Isolates high-capacity solar strings effectively, functioning as a mandatory Photovoltaic MCCB for large-scale 1500V DC generation farms.
Energy Storage Systems (ESS): Secures large battery banks against destructive overcurrents during repetitive rapid charging and discharging cycles.
Industrial DC Networks: Provides central molded case circuit breaker isolation for automated heavy-duty control panels drawing up to 1600A.

Technical Specifications for the Photovoltaic MCCB

Evaluate the comprehensive electro-magnetic parameters and configuration guides below to ensure this Photovoltaic MCCB aligns precisely with your specific DC switchgear calculations.

Certifications & Operating Conditions

The EKM7DC_MCCB strictly complies with IEC 60947-1 and IEC 60947-2 standards. It operates reliably in harsh environments from -25°C to +70°C, sustaining maximum physical inclinations of ±22.5° without performance degradation.

Selection Guide:

EKM7DC Model Breakdown Structure
Model	Frame size	Code of control circuit source voltage	Pole number	Trip mode & internal accessories	Special Application	Rated current
EKM7DC	320, 400, 630, 1600	H (Breaking capacity)	2, 3, 4 (2P, 3P, 4P)	2: Electronic only (instantaneous release) 3: Thermo-Magnetic (compound)	Z (Terminal cover)	e.g., 630A

Technical Parameters:

Model	EKM7DC-320	EKM7DC-400	EKM7DC-630	EKM7DC-1600
Rated Frame Current Inm (A)	320	400	630	1600
Rated current In (A)	100, 125, 140, 160, 180, 200, 225, 250, 280, 315A	250, 315, 350, 400A	400, 500, 630A	800, 1000, 1250, 1500, 1600A
Pole number	2P	2P	2P	3P, 4P
Rated working voltage Ue (V), DC	DC750V, DC1000V, DC1200V, DC1500V
Rated insulation voltage Ui (V)	1600V
Rated impulse withstand voltage Uimp (kV)	12kV
Rated operating short-circuit capacity Ics=Icu (kA)
DC750V	85	85	85	50
DC1000V	50	50	50	35
DC1200V	35	35	35	30
DC1500V	20	20	20	10
Machine life (times)	4000	4000	4000	2500
Electrical life (times)	1000	1000	1000	500
Arcing distance (mm)	50 (plus arc suppression cover)
Instantaneous tripper	5In or 10In

Capacity Reduction Coefficient (Temperature):

Model	Frame size rated current (A)	50°C	55°C	60°C	65°C	70°C
EKM7DC-320/2300	250	1	0.95	0.93	0.91	0.88
EKM7DC-400/2300	400	1	0.93	0.91	0.89	0.85
EKM7DC-630/2300	630	1	0.92	0.90	0.89	0.83
EKM7DC1600-/2300	1600	1	0.936	0.915	0.894	0.873

High Altitude Capacity Reduction:

Altitude (m)	2000	2500	3000	3500	4000	4500	5000
Working current correction coefficient	1	1	0.98	0.97	0.96	0.95	0.94
Short-circuit breaking capacity correction coefficient	1	1	0.83	0.77	0.71	0.67	0.63
Power frequency withstand voltage correction coefficient	1	1	0.89	0.85	0.80	0.77	0.73

Accessory Configuration Table:

Photovoltaic MCCB

Dimensions and Wiring of the Photovoltaic MCCB

Verify exact enclosure compatibility for this Photovoltaic MCCB by referencing the structural footprints, non-polarity incoming methods, and mounting distance requirements tabulated below.