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MERSENChase-Nipple External-Mount SPDs

MERSEN Surge Protection Device: Three Phase, 208/120VAC WYE, 208/120 V, Non-Metallic

The MERSEN STXT208Y20A is a three-phase Chase-Nipple External-Mount SPD with a 208/120VAC WYE configuration and a non-metallic enclosure. It provides a Voltage Protection Rating of 700V (L-N) and a Max. Surge Current…

SKU 3G-OTH-23368

Brand
MERSEN
Item
Surge Protection Device: Three Phase, 208/120VAC WYE, 208/120 V, Non-Metallic
Category
Chase-Nipple External-Mount SPDs
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Technical Specifications

MERSEN
Manufacturer Part Number
STXT208Y20A
Type
208/120 V, Non-Metallic, 4X, 200 kA
WYE
208/120VAC
Voltage
208/120VAC WYE
Includes
Remote Audible Alarm
Enclosure Material
Non-Metallic
Voltage Protection Rating
700V (L-N)
Max. Surge Current per Mode
200 kA
Max. Continuing Operating Voltage
208/120 V

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

Product Description

The MERSEN STXT208Y20A is a three-phase Chase-Nipple External-Mount SPD with a 208/120VAC WYE configuration and a non-metallic enclosure. It provides a Voltage Protection Rating of 700V (L-N) and a Max. Surge Current per Mode of 200 kA, with a Max. Continuing Operating Voltage of 208/120 V. This unit includes a Remote Audible Alarm.

Frequently Asked Questions

What is the MERSEN STXT208Y20A surge protection device used for?

The MERSEN STXT208Y20A is a three-phase Chase-Nipple External-Mount SPD designed to protect electrical equipment from transient overvoltages and surges in 208/120VAC WYE power systems. It is commonly used in industrial and commercial facilities to safeguard sensitive electronics and machinery.

What are the specifications of the MERSEN STXT208Y20A?

The MERSEN STXT208Y20A has a voltage of 208/120VAC WYE, a Max. Continuing Operating Voltage of 208/120 V, a Voltage Protection Rating of 700V (L-N), and a Max. Surge Current per Mode of 200 kA. It includes a Remote Audible Alarm and features a non-metallic enclosure rated 4X.

Where to buy the MERSEN STXT208Y20A worldwide?

You can source the MERSEN STXT208Y20A 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 customers across multiple regions.

How to install the MERSEN STXT208Y20A surge protection device?

Install the MERSEN STXT208Y20A by mounting it externally via the chase nipple, connecting to the 208/120VAC WYE system per local codes. Ensure proper grounding and follow the manufacturer's wiring diagram. The Remote Audible Alarm should be connected to a monitoring system. Always de-energize the panel before installation.

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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