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How does the remote signaling contact on a Type 2 DC SPD work?
If you have seen “remote signaling contact” on a Type 2 DC SPD datasheet or on the SPD enclosure itself, you may be unsure what it actually does. In short: it is a dry-contact output
• Up to 12kV, 3-phase 50Hz
• Control & protection in one unit
• Reliable for frequent switching
• Flexible: fixed or withdrawable design
• Maintenance-free with encapsulated poles
• Compatible with KYN28A-12 & XGN systems
| Product Model | SV8 |
| Rated Voltage | 12/24kV |
| Rated Frequency | 50Hz |
| Rated Current | 630/1250/1600/2000/3150/4000kA |
| Rated Short-Circuit Breaking Current | 20/25/31.5/40A |
| Rated Short-Circuit Making Current (Peak) | 50/63/80kA |
| Rated Short-Time Withstand Current Duration | 4S |
| Rated Number of Short-Circuit Breaking Operations | 50 times |
| Rated Operating Sequence | 0-0.3sCO-180s-CO |
| Rated Lightning Impulse Withstand Voltage (Across terminals) | 75kV |
| Rated Power-Frequency Withstand Voltage (1 minute, Across terminals) | 42kV |
| Closing Time | ≤100ms |
| Opening Time | ≤50ms |
| Mechanical Endurance | 20000 times |
| Rated Energy Storage & Operating Voltage | ≌ 220/110 |
| Total Breaking Time | ≤80ms |
| Energy Storage Time | ≤10s |
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