NVENT ERICO Surge Protection Device: Three Phase, 480V AC, 1800 V (L-G)/1800 V (L-L)
The NVENT ERICO Surge Protection Device (SKU 812DU1) is a three-phase, external surface-mount SPD with a polycarbonate enclosure. It operates at 480V AC with a maximum continuing operating voltage of 550V, a voltage…
SKU 3G-OTH-21914
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Product Description
The NVENT ERICO Surge Protection Device (SKU 812DU1) is a three-phase, external surface-mount SPD with a polycarbonate enclosure. It operates at 480V AC with a maximum continuing operating voltage of 550V, a voltage protection rating of 1800 V (L-L), and a maximum surge current per mode of 20 kA.
Frequently Asked Questions
What is the NVENT ERICO SES320FC480D surge protection device used for?
The NVENT ERICO SES320FC480D is a three-phase, external surface-mount SPD designed to protect industrial electrical equipment from transient overvoltages and lightning surges. It is commonly applied in manufacturing plants, data centers, and commercial facilities where 480V AC power distribution requires reliable surge suppression.
What are the specifications of the NVENT ERICO SES320FC480D?
The NVENT ERICO SES320FC480D operates at 480V AC with a maximum continuing operating voltage of 550V. It offers a voltage protection rating of 1800 V (L-L) and 1800 V (L-G), a maximum surge current per mode of 20 kA, and a polycarbonate enclosure rated 4X. The manufacturer part number is SES320FC480D.
Where to buy the NVENT ERICO SES320FC480D worldwide?
You can source the NVENT ERICO SES320FC480D through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this SPD to procurement teams and engineers globally.
How to install the NVENT ERICO SES320FC480D surge protection device?
Install the NVENT ERICO SES320FC480D externally on a flat surface near the main service panel. Ensure the device is connected to a dedicated 480V AC circuit with proper overcurrent protection. Follow the manufacturer's wiring diagram for L1, L2, L3, and ground connections. Always de-energize the system before installation and consult a licensed electrician.
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3G Electric supplies NVENT ERICO external surface-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














