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CHINT ELECRTIC
CHINT NXU-IIG DC Surge Protection Device SPD 2P 40kA DC85V/350V/500V
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$28.60 USD
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CHINT NXU-IIG DC Surge Protection Device SPD 2P 40kA DC85V/350V/500V DC Lightning Arrester, Optional Remote Communication Alarm NXU-II GF Series for PV Solar System
Product Overview
CHINT NXU-IIG series DC surge protection device (Type II SPD) complies with YD/T1235.1 & YD/T1235.2 standard, specially designed for photovoltaic DC power system, to absorb lightning surge & transient overvoltage, safeguard solar inverter, combiner box and DC distribution equipment.
Two types available:
- NXU-II G: Standard DC SPD without remote signal contact
- NXU-II GF: DC SPD with built-in remote communication/alarm auxiliary contact for remote cabinet monitoring
Rated spec: 2P pole, Nominal discharge In=20kA, Max discharge Imax=40kA(8/20μs); Continuous DC voltage option: DC85V / DC350V / DC500V.
Core Technical Parameter
| Parameter | Value |
|---|---|
| Brand | CHINT |
| Model | NXU-II G / NXU-II GF(With Remote Alarm Contact) |
| Pole | 2P |
| In(Nominal Discharge Current) | 20kA(8/20μs) |
| Imax(Max Discharge Current) | 40kA(8/20μs) |
| Uc Continuous DC Voltage | DC85V / DC350V / DC500V |
| Up Voltage Protection Level | 0.6kV(85V)/1.5kV(350V)/1.8kV(500V) |
| Leakage Current Iie | ＜20μA per pole |
| Remote Contact(GF type) | AC250V/0.5A; DC250V/0.1A, max wiring cross-section 1.5mm² |
| Ambient Temp | -5℃~+40℃(normal) / -40℃~+70℃(abnormal) |
| Max Install Altitude | ≤3000m, Indoor DIN rail mount |
| Protection Feature | Thermal aging overheat protection + failure status visual indicator |
Model Definition & Select Button English
Standard Type NXU-II G (No Communication)
- 2P 40KA DC85V NXU-II G40/85 → 2P 40kA DC85V DC SPD NXU-IIG40/85
- 2P 40KA DC350V NXU-II G40/350 → 2P 40kA DC350V DC SPD NXU-IIG40/350
- 2P 40KA DC500V NXU-II G40/500【Recommended】→2P 40kA DC500V PV Surge Protector NXU-IIG40/500(Recommended)
GF Remote Alarm Communication Type NXU-II GF
- 2P 40KA DC85V NXU-II GF40/85 →2P 40kA DC85V SPD with Remote Alarm Contact NXU-IIGF40/85
- 2P 40KA DC350V NXU-II GF40/350 →2P 40kA DC350V SPD with Remote Alarm Contact NXU-IIGF40/350
- 2P 40KA DC500V NXU-II GF40/500 →2P 40kA DC500V PV SPD with Remote Signal Output NXU-IIGF40/500
Key Features
- Built-in thermal disconnect protection, auto cut off circuit when core overheat & aging to avoid fire hazard.
- Visible window indicator: change color once module failed for easy maintenance inspection.
- GF version with independent auxiliary contact, remote feedback fault signal to PLC/control cabinet.
- Standard 35mm DIN rail pluggable design, replace damaged cartridge without cutting main circuit power.
Application
Solar PV combiner box, photovoltaic inverter DC side, battery energy storage cabinet, DC power supply cabinet.
Care Instructions
Care Instructions
