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NVENT ERICO Surge Protection Device: Single Phase, 120/240V AC, 170/276 V AC, Metal - Chase-Nipple External-Mount SPDs
NVENT ERICOChase-Nipple External-Mount SPDs

NVENT ERICO Surge Protection Device: Single Phase, 120/240V AC, 170/276 V AC, Metal

The NVENT ERICO Surge Protection Device is a single-phase, chase-nipple external-mount SPD (MPN TDX400S120/240) with a metal enclosure. It operates at 120/240V AC with a max. continuing operating voltage of 170/276 V…

SKU 3G-OTH-22958

Brand
NVENT ERICO
Item
Surge Protection Device: Single Phase, 120/240V AC, 170/276 V AC, Metal
Category
Chase-Nipple External-Mount SPDs
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Technical Specifications

NVENT ERICO
Manufacturer Part Number
TDX400S120/240
Type
Metal, 1, 400kA
AC
120/240V
Voltage
120/240V AC
Includes
Voltage Free Contact
Enclosure Material
Metal
Voltage Protection Rating
800V (L-G, L-N)
Max. Surge Current per Mode
400kA
Max. Continuing Operating Voltage
170/276 V AC
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NVENT ERICO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NVENT ERICO Surge Protection Device is a single-phase, chase-nipple external-mount SPD (MPN TDX400S120/240) with a metal enclosure. It operates at 120/240V AC with a max. continuing operating voltage of 170/276 V AC and a voltage protection rating of 800V (L-G, L-N). The unit includes a voltage free contact and delivers a max. surge current per mode of 400kA.

Frequently Asked Questions

What is the NVENT ERICO TDX400S120/240 surge protection device used for?

The NVENT ERICO TDX400S120/240 is a single-phase, chase-nipple external-mount SPD designed to protect electrical equipment from transient overvoltages and surges. It is commonly used in industrial, commercial, and utility applications where reliable surge suppression is critical for sensitive electronics and machinery.

What are the specifications of the NVENT ERICO TDX400S120/240?

The NVENT ERICO TDX400S120/240 operates at 120/240V AC with a max. continuing operating voltage of 170/276 V AC. It has a voltage protection rating of 800V (L-G, L-N) and delivers a max. surge current per mode of 400kA. The metal enclosure includes a voltage free contact for remote monitoring.

Where to buy the NVENT ERICO TDX400S120/240 worldwide?

3G Electric supplies the NVENT ERICO TDX400S120/240 surge protection device worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NVENT ERICO SPD to any country.

How to install the NVENT ERICO TDX400S120/240 surge protector?

Install the NVENT ERICO TDX400S120/240 by mounting it externally via the chase nipple, connecting line, neutral, and ground per the wiring diagram. Ensure the unit is de-energized during installation. Follow local electrical codes and the manufacturer's manual for proper torque and conductor sizing. Test the voltage free contact after installation.

Used in

Common applications for NVENT ERICO
Industrial facility grounding — NVENT ERICO ZWP1J pipe ground clamps for bonding metallic water pipes to grounding electrodes.
Commercial building surge protection — NVENT ERICO TDX300S277/480 SPD for three-phase 277/480V AC Wye service entrance panels.
Rooftop equipment support — NVENT ERICO PSF10D fixed strut pyramids for mounting conduit or cable trays on flat roofs.
Utility substation grounding — NVENT ERICO EK16 bronze parallel burial clamps for connecting grounding conductors to rods.
Outdoor panel surge protection — NVENT ERICO SES160B480Y SPD with NEMA 4X polycarbonate enclosure for washdown environments.
Lightning protection systems — NVENT ERICO SES series SPDs for transient voltage suppression on branch circuits.

NVENT ERICO Products

3G Electric supplies NVENT ERICO 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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