MERSEN STXT480Y20A Chase-Nipple External-Mount SPD, 480/277VAC WYE, 200 kA
The MERSEN Surge Protection Device: Three Phase (MPN STXT480Y20A) is a Chase-Nipple External-Mount SPD with a 480/277VAC WYE voltage rating and a Max. Surge Current per Mode of 200 kA. It features a Non-Metallic…
SKU 3G-OTH-23420
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The MERSEN Surge Protection Device: Three Phase (MPN STXT480Y20A) is a Chase-Nipple External-Mount SPD with a 480/277VAC WYE voltage rating and a Max. Surge Current per Mode of 200 kA. It features a Non-Metallic enclosure, a Voltage Protection Rating of 1200V (N-G), and includes a Remote Audible Alarm.
Frequently Asked Questions
What is the MERSEN STXT480Y20A surge protection device used for?
The MERSEN STXT480Y20A is a three-phase surge protection device (SPD) used to protect electrical equipment from transient overvoltages in 480/277VAC WYE power systems. It is commonly installed in industrial and commercial facilities to safeguard sensitive electronics, motors, and control systems from lightning strikes and switching surges.
What are the specifications of the MERSEN STXT480Y20A?
The MERSEN STXT480Y20A is a Chase-Nipple External-Mount SPD rated for 480/277VAC WYE systems. Key specs include a Max. Surge Current per Mode of 200 kA, Voltage Protection Rating of 1200V (N-G), and a Non-Metallic enclosure. It includes a Remote Audible Alarm and has a Max. Continuing Operating Voltage of 480/277 V.
Where to buy the MERSEN STXT480Y20A worldwide?
You can source the MERSEN STXT480Y20A 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; we provide this MERSEN SPD to procurement teams and engineers internationally.
How to install the MERSEN STXT480Y20A surge protection device?
Install the MERSEN STXT480Y20A externally using the chase nipple for conduit connection. Ensure the system is de-energized, then mount the SPD near the service panel. Connect phase, neutral, and ground wires per the wiring diagram for 480/277VAC WYE systems. Follow local electrical codes and manufacturer guidelines for safe installation.
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3G Electric supplies MERSEN chase-nipple external-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.