NVENT ERICO TDX300S277/480 External Surface-Mount SPD, 277/480V AC Wye, 300kA
The NVENT ERICO TDX300S277/480 is a three-phase external surface-mount surge protection device (SPD) with a metal enclosure, rated for 277/480V AC Wye systems and a maximum continuing operating voltage of 320/550 V…
SKU 3G-OTH-21705
Also listed as: TDX300S277480 · TDX300S277 480 · TDX300S277-480
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The NVENT ERICO TDX300S277/480 is a three-phase external surface-mount surge protection device (SPD) with a metal enclosure, rated for 277/480V AC Wye systems and a maximum continuing operating voltage of 320/550 V AC. It provides a voltage protection rating of 1000V (N-G) and a maximum surge current per mode of 300kA, and includes a voltage-free contact.
Frequently Asked Questions
What is the NVENT ERICO TDX300S277/480 surge protection device used for?
The NVENT ERICO TDX300S277/480 is a three-phase external surface-mount SPD designed to protect electrical equipment in industrial and commercial facilities from transient overvoltages and lightning surges on 277/480V AC Wye power systems.
What are the specifications of the NVENT ERICO TDX300S277/480?
The NVENT ERICO TDX300S277/480 is rated for 277/480V AC Wye with a max. continuing operating voltage of 320/550 V AC. It offers a voltage protection rating of 1000V (N-G), max. surge current per mode of 300kA, and includes a voltage-free contact. The enclosure is metal.
Where to buy the NVENT ERICO TDX300S277/480 worldwide?
You can source the NVENT ERICO TDX300S277/480 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the NVENT ERICO TDX300S277/480 surge protection device?
Install the NVENT ERICO TDX300S277/480 externally on a surface near the service panel. Follow the manufacturer's wiring diagram for 277/480V AC Wye connections, ensuring the voltage-free contact is integrated into the monitoring circuit. Always de-energize the system before installation and consult a qualified electrician.
Used in
Common applications for NVENT ERICONVENT ERICO Products
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.
