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MERSENChase-Nipple External-Mount SPDs

MERSEN STXR480Y05 Chase-Nipple External-Mount SPD, 480/277VAC WYE, 50kA per Mode

The MERSEN Surge Protection Device: Three Phase (SKU STXR480Y05, MPN STXR480Y05) is a Chase-Nipple External-Mount SPD with a non-metallic enclosure. It operates at 480/277VAC WYE with a max. continuing operating…

SKU 3G-OTH-23443

Brand
MERSEN
Item
STXR480Y05 Chase-Nipple External-Mount SPD, 480/277VAC WYE, 50kA per Mode
Part Number
STXR480Y05
Category
Chase-Nipple External-Mount SPDs
Available to Order
Also known as:STXR480Y05MERSEN
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Technical Specifications

MERSEN
Manufacturer Part Number
STXR480Y05
Type
1200V (L-N)/1800V (L-G)/2000 V (L-L)
WYE
480/277VAC
Voltage
480/277VAC WYE
Includes
LED Status Indicator
Enclosure Material
Non-Metallic
Voltage Protection Rating
1800V (L-G)
Max. Surge Current per Mode
50 kA
Max. Continuing Operating Voltage
480/277 V

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN Surge Protection Device: Three Phase (SKU STXR480Y05, MPN STXR480Y05) is a Chase-Nipple External-Mount SPD with a non-metallic enclosure. It operates at 480/277VAC WYE with a max. continuing operating voltage of 480/277 V and includes an LED status indicator. The unit provides a voltage protection rating of 1800V (L-G) and a max. surge current per mode of 50 kA.

Frequently Asked Questions

What is the MERSEN STXR480Y05 surge protection device used for?

The MERSEN STXR480Y05 is a three-phase surge protection device (SPD) used to protect electrical equipment in industrial and commercial facilities from voltage transients and surges. It is designed for 480/277VAC WYE systems and is commonly applied in panelboards, switchgear, and motor control centers.

What are the specifications of the MERSEN STXR480Y05?

The MERSEN STXR480Y05 is a Chase-Nipple External-Mount SPD with a non-metallic enclosure. It operates at 480/277VAC WYE, with a max. continuing operating voltage of 480/277 V. It provides a voltage protection rating of 1800V (L-G) and a max. surge current per mode of 50 kA, and includes an LED status indicator.

Where to buy the MERSEN STXR480Y05 worldwide?

You can source the MERSEN STXR480Y05 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 supply genuine MERSEN surge protection devices to industrial buyers internationally.

How to install the MERSEN STXR480Y05 SPD?

Install the MERSEN STXR480Y05 by mounting it externally via the chase nipple to a panel or enclosure. Connect the SPD to the 480/277VAC WYE system per the manufacturer's wiring diagram, ensuring proper grounding. Always follow local electrical codes and use a qualified electrician for installation.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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MERSEN Products

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.

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