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MERSENChase-Nipple External-Mount SPDs

MERSEN Surge Protection Device: Three Phase, 480/277VAC WYE, 480/277 V, Non-Metallic

The MERSEN Surge Protection Device: Three Phase (MPN STXR480Y05AN) is a chase-nipple external-mount SPD with a 480/277VAC WYE voltage rating and a max. continuing operating voltage of 480/277 V. It features a…

SKU 3G-OTH-23341

Brand
MERSEN
Item
Surge Protection Device: Three Phase, 480/277VAC WYE, 480/277 V, Non-Metallic
Category
Chase-Nipple External-Mount SPDs
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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.

Technical Specifications

MERSEN
Manufacturer Part Number
STXR480Y05AN
Type
480/277 V, Non-Metallic, 4X, 50 kA
WYE
480/277VAC
Voltage
480/277VAC WYE
Includes
LED Status Indicator
Enclosure Material
Non-Metallic
Voltage Protection Rating
1200V (L-N)
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 (MPN STXR480Y05AN) is a chase-nipple external-mount SPD with a 480/277VAC WYE voltage rating and a max. continuing operating voltage of 480/277 V. It features a non-metallic enclosure, an LED status indicator, a voltage protection rating of 1200V (L-N), and a max. surge current per mode of 50 kA.

Frequently Asked Questions

What is the MERSEN STXR480Y05AN surge protection device used for?

The MERSEN STXR480Y05AN is a three-phase surge protection device (SPD) used to protect industrial electrical equipment from voltage transients and surges in 480/277VAC WYE power systems. It is commonly applied in manufacturing plants, commercial buildings, and infrastructure where reliable surge suppression is critical.

What are the specifications of the MERSEN STXR480Y05AN SPD?

The MERSEN STXR480Y05AN is a 480/277VAC WYE SPD with a max. continuing operating voltage of 480/277 V, a voltage protection rating of 1200V (L-N), and a max. surge current per mode of 50 kA. It features a non-metallic enclosure, an LED status indicator, and is rated Type 4X.

Where to buy the MERSEN STXR480Y05AN worldwide?

3G Electric supplies the MERSEN STXR480Y05AN surge protection device to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this MERSEN SPD.

How to install the MERSEN STXR480Y05AN external-mount SPD?

Install the MERSEN STXR480Y05AN SPD by mounting it externally via the chase-nipple connection to the panel. Follow the manufacturer's wiring diagram for 480/277VAC WYE systems, ensuring proper grounding and conductor sizing per local codes. Always de-energize the circuit before installation and verify the LED status indicator after power-up.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

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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MERSEN Surge Protection Device: Three Phase, 480/277VAC WYE, 480/277 V, Non-Metallic, 4X, 50 kA (MPN STXR480Y05N)
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MERSEN Surge Protection Device: Three Phase, 277/480V AC Wye, 1200V (L-G, L-N, N-G)/2000V (L-L), 4X (MPN STXT480Y10A)
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MERSEN Surge Protection Device: Three Phase, 277/480V AC Wye, 1200V (L-G, L-N, N-G)/2000V (L-L), 4X (MPN STXT480Y10A)
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MERSEN Surge Protection Device: Three Phase, 480VAC DELTA & HRG WYE, 1800V (L-G)/3000V (L-L), 480 V (MPN STXR480D05)

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