KT-DC-SPD/C1 series
- Product Details
- -
As China’s leading SPD manufacturer, KT leverages deep standards expertise to deliver industrial-grade surge protection. Producing millions of certified units annually, we integrate market-responsive engineering with rigorous quality and customer-focused reliability.
| Product parameter table | ||||||
| Total discharge current for multipole SPD(10/350μs) | ltotal | 25kA | ||||
| Maximum Continuous Operating Voltage (DC) | Ucpv | 600Vdc | 800Vdc | 1000Vdc | 1200Vdc | 15000Vdc |
| Nominal Discharge Current (8/20 μs) | In | 20kA | ||||
| Maximum Discharge Current (8/20 μs) | Imax | 50kA | ||||
| Impulse Discharge Current (10/350 μs) | Iimp | 12.5kA | ||||
| Voltage Protection Level | Up | ≤2.6kV | ≤3.2kV | ≤3.8kV | ≤4.5kV | ≤5.2kV |
| Response Time | tA | < 25 ns | ||||
| Back-Up Fuse (max) | 160A~200A gPV FUSE | |||||
| Short-Circuit Current Rating (AC) | Isccr | 10 kA | ||||
| Operating Temperature Range | Ta | -40 °F to + 158 °F [-40 °C to + 70 °C] | ||||
| Conductor Cross Section (max) | 2 AWG (Solid, Stranded) / 4 AWG (Flexible) | |||||
| 35 mm² (Solid, Stranded) / 25 mm² (Flexible) | ||||||
| Mounting | 35 mm DIN Rail, EN 60715 | |||||
| Degree of Protection | IP 20 (built - in) | |||||
| Operating State / Fault Indication | White ok / Red defect | |||||
| Remote Contacts (RC) | Optional | |||||
| RC Switching Capacity | AC: 250 V / 0.5 A; DC: 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A | |||||
| RC Conductor Cross Section (max) | 16 AWG (Solid) / 1.5 mm² (Solid) | |||||
Customization Excellence
- Zero-MOQ Production | Micro-batch specialist → 3-5 day design proposals
- Precision Digital Engineering | 3D scan/CAD modeling + cost-optimized materials (50+ SME proven)
- Free Brand Integration | Products | Labels | Packaging
Cost-Driven Engineering
- 10-15% Cost Reduction | 8+ yr engineers optimize via SolidWorks
- 20% Faster Assembly | Patented modular systems (50-1k units)
Agile Manufacturing
- Flexible Capacity | CNC/3D printing (50-1k pcs)
- Prototype Validation | 15-team design→manufacturability assurance
Verified Quality
- Triple-Check | Materials → Process → 100% Testing
- 99.5% Defect-Free | 12-mo warranty + live QC docs
- Open Facility Access | Factory audits anytime
Partner-First Service
- 4-Hr Response | Founder-led projects
- Full-Cycle Support | Design→Trial→Production + 3 free mods
- Dedicated Improvement Tracking | Account management
We Empower:
Distributors
Expand portfolio | Competitive OEM pricing
Brands & OEMs
IEC-compliant white-label SPDs
Engineers
Project docs | Compliance | Custom design
E-Commerce
Ready-to-ship + dropship + digital assets
Strategic Alliance Program
For construction/energy network leaders:
- Referral commissions
- Exclusive distributor terms
- Project co-development
Power Your Surge Protection Growth - KaiTai drives your success.
Join the KT Surge Protection Partnership Program
① OEM/ODM
Specs → DFM analysis
② Distribution
Territory terms
③ Broker
Commission plans
Contact us today to discuss your SPD needs
jacklian@oem-spd.comEngineer your advantage today.
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Leading manufacturer of high-quality surge protection solutions