Network Surge Protectors for Industrial & Commercial Systems
Protect Ethernet, PoE, CCTV, Telephone, Coaxial, RS485, and RF lines from surge and lightning damage.
✅IEC 61643-21 Compliant | ✅ 1ns Response Time | ✅ Surge Capacity up to 20kA | ✅ OEM/ODM Ready
Network Surge Protector Overview — IEC 61643-21 Compliant
Network and communication lines are highly sensitive to lightning and transient surges. A single strike can damage CCTV cameras, cut off Ethernet links, or stop RS485 automation networks. A network surge protector keeps Ethernet/PoE lines stable during lightning and switching events. For B2B clients, the concern is not only equipment loss but also system downtime, safety risks, and replacement costs.
Trilpeak Network Surge Protectors are engineered for fast response and reliable performance across multiple line types: Ethernet, PoE, CCTV, Telephone, Coaxial, RS485, and RF. Each device is tested under IEC 61643 standards, ensuring your systems remain stable and compliant with international safety requirements.
Fast & Reliable Protection
Response time < 1ns, ensures sensitive network equipment (Ethernet, PoE, CCTV, RS485) stays safe without affecting signal quality.
Strong Surge Handling
Discharge capacity up to 10kA (8/20 μs), with protection level < 1kV, preventing downtime and costly equipment damage.
Certified Performance
IEC 61643-21, CE, and RoHS compliance, backed by factory tests for stable, long-term operation in industrial and telecom systems.
Network Surge Protector by Line Type — Ethernet/PoE, CCTV, Telephone, RS485, Coax, RF
Choose your network surge protector by the line you need to protect. Ethernet/PoE (RJ45), CCTV video (BNC), telephone, RS485, coaxial 50/75 Ω, and RF links each need matched protection for impedance, bandwidth, and PoE power. TrilPeak devices follow IEC 61643-21, offer low insertion loss and low let-through voltage, and keep communication online at building entries and near outdoor devices.
Ethernet Surge Protector
Designed for high-speed networks with bandwidth up to 1Gbps and response time <1ns. Provides <1kV protection level to keep switches, routers, and LAN infrastructure safe. Commonly used in data centers, offices, and industrial Ethernet systems to ensure stable connectivity.
PoE Surge Protector
Supports PoE/PoE+ at 48V DC, with surge handling up to 10kA (8/20 μs). Protects both data and power transmission without affecting performance. Widely applied in IP cameras, wireless APs, and VoIP systems, ensuring reliable operation under lightning conditions.
CCTV Surge Protector
Compatible with 12V / 24V power supply and analog/IP signals, featuring fast <1ns response and low insertion loss. Prevents video loss or distortion in security monitoring systems, keeping surveillance networks stable during surges.
Telephone Line Surge Protector
Rated for 110V/220V telephone circuits, with surge capacity up to 5kA per line. Ensures PBX systems, fax lines, and office telecom remain operational. Commonly deployed in call centers and enterprise telecom rooms to avoid costly downtime.
RS485 Surge Protector
Supports 5V / 12V / 24V communication voltage, with discharge current up to 10kA and response <1ns. Designed for long-distance RS485 bus lines in industrial automation. Ensures stable communication for PLCs, sensors, and building control systems.
Coaxial Surge Protector
Covers DC–2.5GHz frequency range with VSWR <1.2 and surge handling up to 20kA. Protects broadcast and telecom coaxial lines without signal loss. Essential for satellite TV, broadcasting, and telecom towers, where uninterrupted transmission is critical.
RF Surge Protector
Built for DC–6GHz high-frequency systems, offering low insertion loss and surge current up to 20kA. Provides reliable protection for radio and antenna applications. Widely used in telecom, defense, and aerospace industries to maintain signal integrity.
Universal Network SPD
All-in-one design supporting Ethernet, PoE, and Telephone lines with surge current up to 10kA and <1ns response time. Reduces space and installation cost while offering comprehensive defense. Ideal for telecom cabinets, security rooms, and smart buildings that require multi-line protection.
Cooperation Models
OEM/ODM Cooperation with a Network Surge Protector Manufacturer
Choose the right cooperation model for your surge protection business needs.
OEM Service
Your Brand, Our Production
Includes:
- Custom branding & logo
- Packaging design support
- IEC-certified production
- Flexible order quantities
- Fast global delivery
- Full technical support
ODM Service
From Concept to Product
Includes:
- Complete product design
- Custom Surge Protection
- Prototype & testing included
- Patent & compliance ready
- Scalable mass production
- Long-term partnership focus
OBM
Ready-to-Market Trilpeak Brand
Includes:
- Supply under Trilpeak brand
- IEC 61643 certified SPDs
- Proven reliability in 50+ countries
- Stable bulk supply
- Competitive factory pricing
- Marketing & catalog support
SKD/CKD Supply
Flexible Assembly, Lower Costs
Includes:
- Semi/complete knock-down kits
- Reduce import duties & costs
- Local assembly flexibility
- Technical drawings included
- Training for assembly teams
- Fast logistics support
Network Surge Protector Applications — Telecom, Data, Industrial Control, Security
Signal-line surge protection devices are vital for preventing failures in low-voltage signal, control, and data circuits. Install the network surge protector close to the device and keep the earth lead short. Whether in industrial plants, telecom base stations, or energy storage systems, these B2B SPDs ensure continuous uptime, protect against surges, and maintain system integrity. Choose a network surge protector with low insertion loss and fast response.
CCTV & Security Monitoring Systems
Protects video surveillance systems and control centers from lightning and transient surges. Ensures reliable image transmission for analog and IP cameras in outdoor and industrial environments.
Voltage Range: 5V / 12V / 24V DC
Recommended Model: TPKW-BNC-50C / TPKX2-RJ45 / TPKX-RJ45-POE
Type: Coaxial or RJ45 type, IEC 61643-21 compliant
Features: Fast <1ns response, low insertion loss, compact size for camera junction boxes
Telecom & Data Transmission Systems
Safeguards communication equipment, routers, switches, and base station lines from lightning surges. Ensures stable Ethernet and signal data transmission for telecom networks and data centers.
Voltage Range: 5V / 12V / 24V
Recommended Model: TPKX-RJ45 / TPKX-RJ45-1000 / TPKX-RJ45-DIN
Type: Type 2, IEC 61643-21 compliant
Features: Bandwidth up to 1Gbps, <1ns response, optional DIN-rail mounting
Industrial Control & RS485 Systems
Guards industrial communication bus lines such as RS485, PLC, and sensor networks. Ideal for building automation and factory control cabinets where long-distance data stability is critical.
Voltage Range: 12V / 24V DC
Recommended Model: TPKJ-24V / TPKJ-24V-DIN
Type: Type 2, IEC 61643-21 compliant
Features: High surge current up to 10kA (8/20 μs), DIN-rail mounting, low signal attenuation
Telephone & Communication Networks
Provides surge protection for telephone lines, fax machines, and PBX systems. Prevents lightning-induced overvoltages from damaging internal telecom infrastructure.
Voltage Range: 110V / 220V
Recommended Model: TPKX-RJ11
Type: Type 2, IEC 61643-21 compliant
Features: Compact RJ11 interface, high surge discharge capacity, easy inline installation
Wireless & RF Transmission Systems
Protects antennas, radio transmitters, and telecom base stations from lightning surges. Designed for high-frequency applications up to 6GHz, ensuring stable RF signal integrity.
Frequency Range: DC–6GHz
Recommended Model: TPKW-N-6G / TPKW-SMA / TPKW-TNC-6G
Type: RF Type, IEC 61643-21 compliant
Features: Low VSWR <1.2, surge current up to 20kA, IP65 housing for outdoor use
Broadcasting & Satellite Communication Systems
Secures coaxial and F-type lines in satellite, CATV, and broadcast towers. Prevents signal loss and equipment failure caused by transient surges and lightning strikes.
Frequency Range: DC–2.5GHz
Recommended Model: TPKW-F-75C / TPKW-F-75C-FF
Type: Coaxial Type 75Ω, IEC 61643-21 compliant
Features: Insertion loss <0.2dB, surge handling up to 10kA, optional waterproof IP67 version
Common Questions
Network Surge Protector FAQs (IEC 61643-21)
Our network surge protectors cover Ethernet, PoE, CCTV, telephone, coaxial, RS485, and RF transmission lines. They are designed to protect sensitive communication and control equipment from lightning surges and transient overvoltages.
Yes. We offer both standard indoor and outdoor-rated models (e.g., IP65/IP67). Outdoor versions are ideal for security cameras, base stations, and satellite communication systems.
All our signal surge protectors feature <1ns response time, ensuring immediate protection without disrupting normal data or signal transmission.
Yes. Products are designed to support standard interfaces including RJ45, RJ11, BNC, F, SMA, N, and TNC. They are compatible with most network devices, including IP cameras, switches, PBX, PLC, and RF equipment.
Most models handle up to 10kA (8/20 μs), and RF versions can reach 20kA, depending on the interface. This is suitable for industrial, telecom, and outdoor applications.
No. Our Ethernet and PoE models support up to 1Gbps bandwidth, and coaxial/RF products maintain low insertion loss (VSWR <1.2), ensuring stable and reliable communication.
Yes. All products comply with IEC 61643-21 communication line SPD and CE standards. They undergo factory surge testing to ensure consistent protection performance.
You can choose the SPD according to:
Line Type (Ethernet, PoE, CCTV, etc.)
Operating Voltage (5V–220V)
Installation environment (indoor/outdoor, DIN-rail, panel mount)
Bandwidth / Frequency requirements (e.g., 1Gbps or 6GHz)
View the complete range of TrilPeak surge protective devices→
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