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WJ Furse 550 V dc 12.5 kA, 40 kA ESP PV PV Surge Protector, DIN Rail Mounting

ESP-DC550-12-5-PV WJ Furse 550 V dc 12.5 kA, 40 kA ESP PV PV Surge Protector, DIN Rail Mounting
ESP-DC550-12-5-PV WJ Furse 550 V dc 12.5 kA, 40 kA ESP PV PV Surge Protector, DIN Rail Mounting
WJ Furse

Product Information

Dimensions:
72 x 90 x 68mm
Mounting Type:
DIN Rail
Series:
ESP PV
Length:
72mm
Height:
90mm
Depth:
68mm
Minimum Operating Temperature:
-40°C
Maximum Voltage Rating:
550 V dc
Maximum Surge Current:
12.5 kA, 40 kA
Maximum Operating Temperature:
+80°C
Suppressor Type:
PV Surge Protector
RoHs Compliant
Checking for live stock

The WJ Furse ESP DC550/12.5/PV is a high-quality surge protection device specifically designed for photovoltaic DC systems operating up to 550 volts. It offers a combination of durability, precision and ease of installation, making it well suited for use in solar energy applications. Additionally, it provides dependable protection against lightning-induced surges and transient overvoltages, ideal for safeguarding valuable solar infrastructure, where reliable system performance is critical.

Core Features and Benefits of the WJ Furse ESP PV Surge Protector

  • Rated for DC systems up to 550 V, ideal for photovoltaic networks.
  • Provides 12.5 kA nominal and 40 kA maximum surge current protection.
  • Ensures low let-through voltage and rapid surge response time.
  • Features thermal disconnection for enhanced operational safety.
  • Integrates remote signalling for status and fault monitoring.
  • Compact DIN rail mount allows fast, space-efficient installation.
  • Fully compliant with IEC/EN 61643-31 surge protection standards.

Reliable Protection for Modern Solar Systems

The ESP DC550/12.5/PV is designed for dependable surge protection across different operating conditions. Its robust construction supports a long operational life, even in challenging environments with high temperatures or prolonged UV exposure, such as photovoltaic installations. The modular, pluggable design simplifies maintenance while maintaining continuous system protection.

Typical Uses

  • Surge protection for PV strings and DC inverter inputs
  • Combiner boxes and solar array junction enclosures
  • Rooftop and ground-mounted solar installations
  • DC bus and charge controller protection in hybrid systems
  • Commercial and utility-scale renewable energy plants
  • Battery energy storage and off-grid power systems

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ESP PV Series Data Sheet(Technical Reference)
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Protection for Data and Signal Lines in Intrinsically Safe Circuits Application Note(Technical Reference)
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ABB IET Wiring Regulations BS 7671 18TH Edition(Technical Reference)
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Choosing the Correct Furse ESP Lightning Barrier for your Application(Technical Reference)
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Protection of Wind Turbines Application Note(Technical Reference)
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Protection of Photovoltaic (PV) Systems Application Note(Technical Reference)

Reviews

  • Jacob Robinson
    20 Oct 2025

    I ordered the ESP-DC550-12-5-PV surge suppressor from EnrgTech, and the experience was seamless. The product is authentic, and it performs excellently under load. Delivery was smooth and right on schedule. The EnrgTech sales team handled my inquiries professionally, and customer care followed up after delivery. Their efficiency and dedication to service make EnrgTech a truly dependable source for high-quality electronic and protection equipment.

FAQs

Yes. We ship ESP DC550/12.5/PV Internationally to many countries around the world.
Yes. You can also search ESP DC550/12.5/PV on website for other similar products.
We accept all major payment methods for all products including ET14030068. Please check your shopping cart at the time of order.
We use our internationally recognized delivery partners UPS/DHL. Collection of ET14030068 can also be arranged for the customer by international shipments through contacting our customer support team. Additionally, you can also search"WJ Furse" products on our website by using Enrgtech's Unique Manufacturing Part Number ET14030068.
You can order WJ Furse brand products with ESP DC550/12.5/PV directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.
Yes. Our products in Surge Suppressor Units category are shipped in lowest possible time.
You will get a confirmation email regarding your order of WJ Furse 550 V dc 12.5 kA, 40 kA ESP PV PV Surge Protector, DIN Rail Mounting. You can also check on our website or by contacting our customer support team for further order details on WJ Furse 550 V dc 12.5 kA, 40 kA ESP PV PV Surge Protector, DIN Rail Mounting.
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