Why Choose Cresin as Your Surge Protection Device Supplier
Cresin adjust voltage levels, SPD technical parameters and wiring structures according to local power supply systems, including TN-S, TT and DC PV systems, to adapt to local power grid conditions.
01 Not sure which SPD to choose
02 Need stable product supply
03 Need datasheets and technical support
04 Need OEM label or distributor cooperation
Built Around Industrial SPD Customer Needs
Our engineering team responds quickly to online inquiries regarding model selection, installation wiring and on-site faults.
1
Focused on SPD Products
Product focus on AC power SPD, DC solar PV SPD and signal line surge protection.
2
Application-Based Selection
Support product selection according to system voltage, installation position and application scenario.
3
Manufacturing Support
Support standard model supply, project orders, OEM label and packaging customization.
4
Technical Documents
Product catalog, datasheets, selection guide and application references for overseas buyers.
5
Quality Control
Production inspection, electrical testing, appearance inspection and final shipment checking.
6
Export Cooperation
Support distributors, OEM customers, EPC contractors and industrial project buyers.
Complete SPD Product Category Support
Large-scale factory, complete R&D system, global marketing channels, strict quality control system.
SPD Specific Disconnector
AC Power SPD
Equipped with overcurrent, overheat temperature control trip devices, and fault failure indication.
Solar Photovoltaic
Solar PV DC & AC SPD
Extremely large flow capacity, suitable for outdoor photovoltaic scenarios with severe lightning strikes.
Signal Protection
Signal & Data SPD
For RS485, RJ45, telecom, data line and industrial control signal protection.
Power Supply
DC Power SPD
Plug-and-play modular structure design, no power outage required for module replacement after failure.
New Energy
Wind Power
Standard remote signal alarm interface, design of intelligent remote monitoring for wind power system.
Specialized SPD
PT / VT Secondary Grounding SPD
CSMS-PVT60/FM is equipped with a unique dual-break protection device, featuring both thermal and overload protection.
Signal Protection
CCTV & Security SPD
Low residual voltage, high power bearing capacity, large current capacity and fast response speed.
Electric Vehicles
EV Charging Station SPD
35mm standard rail installation, simple installation and convenient maintenance.
SPD Specific Disconnector
Surge Circuit Breaker
SCB can provide professional backup protection for first-level, second-level, third-level, etc. power SPDs.
We Help Customers Select the Right SPD
Many customers know they need surge protection, but are not sure which SPD type, voltage rating or installation position is suitable.
Selection by AC / DC / signal system type
Selection by voltage: Uc, Un and signal working voltage
Selection by installation position: main panel, sub-panel or equipment side
Selection by application: solar, EV charging, telecom, CCTV or industrial automation
How We Support Your Purchasing Decision
| Customer Concern | Cresin Support |
|---|---|
| Not sure which SPD to choose | Selection support by voltage, installation position and application scenario. |
| Need product documents | Product catalog, datasheets, selection guide and application references. |
| Need stable supply | Manufacturing process, inspection workflow and export packaging support. |
| Need private label | OEM label, package customization and distributor cooperation support. |
| Need project quotation | Product recommendation and quotation support according to project requirement. |
Production and Inspection Support
Supplier reliability depends not only on product catalog, but also on manufacturing process, inspection and delivery capability.
Production line and assembly process
Electrical performance inspection
Appearance, labeling and packaging check
OEM packaging and mixed model order support
Export shipment preparation
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Contact Us
Address: No. 978 Tianchen Road, High-tech Zone, Jinan, Shandong,China
CAN’T FIND THE PRODUCT?
The product range includes production technologies for smart capacitors, digital display meters, surge protectors, dedicated backup protection devices for surge protectors, self-resetting over/under-voltage protectors, control and protection switches, and automatic transfer switches for dual power supplies.
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