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MERSENChase-Nipple External-Mount SPDs

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

The MERSEN Surge Protection Device is a single-phase, chase-nipple external-mount SPD (SKU 3G-OTH-23432, MPN STXR120P05) with a 120VAC voltage rating, a max. continuing operating voltage of 120 V, and a voltage…

SKU 3G-OTH-23432

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
STXR120P05
Type
120VAC, 1000V (L-G)/600V (L-N), 120 V, Non-Metallic
Voltage
120VAC
Includes
LED Status Indicator
Enclosure Material
Non-Metallic
Voltage Protection Rating
600V (L-N)
Max. Surge Current per Mode
50 kA
Max. Continuing Operating Voltage
120 V

Technical Documents

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

Product Description

The MERSEN Surge Protection Device is a single-phase, chase-nipple external-mount SPD (SKU 3G-OTH-23432, MPN STXR120P05) with a 120VAC voltage rating, a max. continuing operating voltage of 120 V, and a voltage protection rating of 600V (L-N). It features a max. surge current per mode of 50 kA, includes an LED status indicator, and has a non-metallic enclosure.

Frequently Asked Questions

What is the MERSEN STXR120P05 surge protection device used for?

The MERSEN STXR120P05 is a single-phase, chase-nipple external-mount SPD designed to protect sensitive equipment from voltage surges and transients in 120VAC electrical systems. It is commonly used in commercial and industrial applications where reliable surge suppression is required, such as control panels, HVAC equipment, and telecommunications infrastructure.

What are the specifications of the MERSEN STXR120P05?

The MERSEN STXR120P05 is a 120VAC single-phase SPD with a max. continuing operating voltage of 120 V and a voltage protection rating of 600V (L-N). It offers a max. surge current per mode of 50 kA, includes an LED status indicator, and features a non-metallic enclosure. The device is part of MERSEN's Chase-Nipple External-Mount SPD series.

Where to buy the MERSEN STXR120P05 worldwide?

3G Electric supplies the MERSEN STXR120P05 worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for this surge protection device.

How to install the MERSEN STXR120P05 surge protection device?

Install the MERSEN STXR120P05 by mounting it externally via the chase nipple connection to a panel or enclosure. Ensure the system is de-energized before wiring. Connect line, neutral, and ground per the manufacturer's diagram. Verify the LED status indicator illuminates after power-up to confirm proper operation. Always follow local electrical codes.

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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