CHINT · NXU-IIG DC Surge Protector, 2P 40kA 85–500V
Product overview
CHINT NXU-IIG DC surge protective devices limit transient overvoltage in DC power-supply systems. Choose the maximum continuous DC voltage and whether a remote signal contact is required.
Technical selection summary
| DC catalogue scope | 2P; Type2 / test classII; no AC catalogue variants |
|---|---|
| Discharge ratings | In20kA; Imax40kA at8/20µs |
| Un / Uc / Up pairs | DC48V /85V /0.6kV; DC240V /350V /1.5kV; DC336V /500V /1.8kV |
| Contact option | NormalG or remote-signalG/F |
| Ordering codes | 85V:324689/324691;350V:324686/324688;500V:324687/324690 (normal/remote) |
| Terminals / mounting | 2.5–25mm²,2.0N·m;IP20;DIN rail |
| Reference photo | The retained main photo is the500V normal-contact324687 unit |
Use the DC-specific catalogue, not the AC275/320/385/440V matrix.85/350/500V are Uc ratings and are not freely interchangeable with the system nominal voltage. Follow the manufacturer isolation/maintenance procedure before replacement.
Typical applications
- CHINT NXU-IIG DC surge protective devices limit transient overvoltage in DC power-supply systems.
Specify your enquiry
For a focused quotation, include:
- Nominal DC system voltage and selectedUc
- Remote signalling requirement
- Backup protection and quantity
Official CHINT DC English catalogue (released2026-07-31)
Product reference images and drawings
