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MERSENChase-Nipple External-Mount SPDs

MERSEN Surge Protection Device: Single Phase, 120VAC, 1000V (L-G)/600V (L-N)/600 V (N-G)

The MERSEN STXR120P05N is a single-phase, chase-nipple external-mount surge protection device (SPD) rated for 120 VAC with a max. continuing operating voltage of 120 V. It provides a voltage protection rating of 600…

SKU 3G-OTH-23268

Brand
MERSEN
Item
Surge Protection Device: Single Phase, 120VAC, 1000V
Category
Chase-Nipple External-Mount SPDs
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Technical Specifications

MERSEN
Manufacturer Part Number
STXR120P05N
Type
120VAC, 1000V (L-G)/600V (L-N)/600 V (N-G), 120 V, 4X
Voltage
120VAC
Includes
LED Status Indicator
Enclosure Material
Non-Metallic
Voltage Protection Rating
600 V (N-G)
Max. Surge Current per Mode
50 kA
Max. Continuing Operating Voltage
120 V

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

Product Description

The MERSEN STXR120P05N is a single-phase, chase-nipple external-mount surge protection device (SPD) rated for 120 VAC with a max. continuing operating voltage of 120 V. It provides a voltage protection rating of 600 V (N-G) and a max. surge current per mode of 50 kA. The unit includes an LED status indicator and features a non-metallic enclosure.

Frequently Asked Questions

What is the MERSEN STXR120P05N surge protection device used for?

The MERSEN STXR120P05N is a single-phase, chase-nipple external-mount SPD designed to protect 120 VAC electrical equipment from transient overvoltages. It is commonly used in commercial and industrial applications where reliable surge suppression is needed, such as control panels, HVAC systems, and lighting circuits.

What are the specifications of the MERSEN STXR120P05N?

The MERSEN STXR120P05N is rated for 120 VAC with a max. continuing operating voltage of 120 V. It provides a voltage protection rating of 600 V (N-G) and a max. surge current per mode of 50 kA. The unit includes an LED status indicator and features a non-metallic enclosure.

Where to buy the MERSEN STXR120P05N worldwide?

You can source the MERSEN STXR120P05N 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 procurement teams and engineers globally.

How to install the MERSEN STXR120P05N surge protection device?

Install the MERSEN STXR120P05N by mounting it externally via the chase nipple, connecting line, neutral, and ground per the wiring diagram. Ensure the system is de-energized before installation. The LED status indicator confirms proper operation. Follow local electrical codes and manufacturer guidelines for safe, effective surge protection.

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, 208/120VAC WYE, 208/120 V, Non-Metallic, 4X, 50 kA (MPN STXR208Y05N)

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