PV Rapid Shutdown Device DC 1500V 50A 2-String Cutoff

Name: PV Rapid Shutdown Device 1500V 50A - ETEK Electri
SKU: EKFS-50-2

Securing dual-string commercial solar arrays, this robust PV Rapid Shutdown Device executes immediate direct current isolation during emergencies. The EKFS-50-2 model manages up to 50A per channel at 1000VDC, guaranteeing firefighter safety and regulatory compliance for high-voltage DC installations.

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ModelEKFS-50-2

CategoryRapid Shutdown Devices

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Structural Integrity of the PV Rapid Shutdown Device

Engineered with a durable PC+ABS enclosure, this PV Rapid Shutdown Device resists severe environmental ingress while maintaining strict electrical isolation.

Dual-String Capacity: Facilitates simultaneous DC isolation for two independent PV strings, handling maximum circuit voltages up to 1500V DC.
Thermal Auto-Shutdown: Automatically triggers a complete DC voltage cutoff when ambient temperatures exceed 70°C, acting as a highly responsive pv rapid shutdown switch.
Current Handling: Supports high-capacity routing with up to 55A at 800VDC and 50A at 1000VDC per channel for heavy-duty photovoltaic arrays.
Rapid Integration: Features four industry-standard MC4 DC connector points and an AC plug-in interface for streamlined field deployment.
Environmental Defense: Delivers reliable outdoor operation via an IP65 protection grade and Class II protection level, complying with EN60947-3.

Commercial Applications for the PV Rapid Shutdown Device

Deploying the EKFS-50-2 minimizes catastrophic hazards across large-scale infrastructures requiring a dependable solar rapid shutdown device.

Applications & Use Cases

Multi-String Solar Installations: Provides synchronized DC isolation for complex commercial and industrial PV systems during fire incidents.
Solar Farms: Secures redundant string isolation across high-voltage utility-scale arrays to protect emergency responders.
Government & Municipal Projects: Upgrades large residential and public arrays to comply with stringent rapid shutdown switch safety regulations.

Technical Specifications with the PV Rapid Shutdown Device

Evaluate the exact direct current and alternating current parameters below to align this rapid shutdown device solar with your EN60947-3 distribution requirements.

Main Electrical Data

DC Circuit Parameters
No. of strings	2
Max. string voltage	300 – 1500 VDC
Max. string current	55A (800VDC), 50A (1000VDC), 40A (1200VDC), 30A (1500VDC)
Switch wiring	4
DC connector	MC4
AC Power Supply Parameters
Power supply type	AC single phase
Operating voltage	100 – 270 VAC
Nominal voltage	230 VAC
Operating frequency	47 – 53 Hz (Nominal: 50 Hz)
Nominal current	30 mA
Start up (loading) current	100 mA (AWG)
Switch on action current	300 mA
AC connector	Plug-in

Operating & Environmental Conditions

Switch according to	EN60947-3
Protection degree / level	IP65 / Class II
Mechanical endurance	9700 Cycles
Electrical endurance	300 Cycles
Operating temperature	-20°C ~ +70°C
Storage temperature	-40°C ~ +85°C
Max. temp for automatic shutdown	70°C

Dimensions and Wiring of the PV Rapid Shutdown Device

Verify exact IP65 wall-mounting clearances and MC4 dual-channel wiring compatibilities using the physical footprints associated with this PV Rapid Shutdown Device.

EKFS-50

Dimensional Data (mm)

Model	Width (Enclosure)	Width (With Mounting Tabs)	Height
EKFS-50-2	192.5 mm	233.0 mm	177.5 mm

DC Isolator Contact Configuration (Switch wiring 4)

pv rapid shutdown device image (87)