Products

Surge Protective Devices (SPD) All SPD →

AC Surge Protectors For panel builders · IEC 61643-11 Single Phase SPD Home & light commercial · 230V 3-Phase SPD Industrial & commercial · 400V/690V Type 1 SPD First line of defence · direct lightning Type 2 SPD Most specified · distribution boards Type 3 SPD Equipment-level · sensitive devices Type 1+2 SPD Space-saving · one device, two levels Surge Backup Protector (SCB) Protects your SPD · auto-disconnect

DC Surge Protectors For solar, EV & BESS systems PV / Solar DC SPD For inverter OEMs · up to 1500V BESS / Battery Storage SPD For storage integrators EV Charging DC SPD For EVSE OEMs & operators Telecom -48V DC SPD For base station engineers
Signal & Network SPD Protect data lines & cameras Network / PoE SPD Ethernet & IP camera protection CCTV / Coaxial SPD CCTV & security system protection RS485 / RS232 SPD Industrial control line protection

Lightning Protection System All LPS →
ESE Lightning Rod Up to 80m protection radius Traditional Air Terminal Franklin rod · compliant installation Grounding & Earthing Low-resistance earthing · ≤10Ω Lightning Strike Counter Monitor & record strike activity

PV & Electrical Components All PV →
PV Combiner Box Soon DC Circuit Breaker For solar PV systems Soon PV Fuse & Fuse Holder Soon DC Disconnect Switch Soon Solar PV Protection Kit Complete system combo Soon Enclosures Waterproof Enclosure Soon Cable Gland Soon

Quick Access
SPD Selector Tool Right product in 60 seconds Type 1 vs 2 vs 3 SPD Selection & comparison guide IEC 61643-11 Explained Standard guide for buyers What Is LPS? IEC 62305 overview

Engineering reply in 24h.
Industries

Solutions by Industry Full SPD + LPS coverage for every industry

Solar PV & Energy Storage For EPC contractors & inverter OEMs · DC SPD · AC SPD · LPS Industrial Automation & Panel Building For panel builders & system integrators · Type 1/2 · DIN rail · LPS EV Charging Infrastructure For EVSE OEMs & charging operators · AC/DC SPD · site LPS Data Center & Telecom For facility managers & tower operators · signal SPD · LPS Commercial & Industrial Buildings For contractors & developers · ESE rod · grounding · Type 1/2/3 Medical Equipment For medical device OEMs · low-leakage SPD · Type 3

By Protection Type
Surge Protective Devices IEC 61643-11 · Type 1/2/3 Lightning Protection ESE rods · Grounding · IEC 62305 Signal Line Protection RS485 · Ethernet · CCTV · PoE

CE Certified · 50+ Countries · 25 years
Solutions

Partnership Models
OEM Custom Branding Your label · our IEC-certified quality ODM Full Custom Design Custom PCB · tooling · packaging SKD / CKD Knockdown Supply Local assembly · tariff advantage OBM — TrilPeak Brand Distribution Exclusive territory rights Sample & Prototype Service 3–5 day prototype turnaround

How We Work Together

From inquiry to mass production — TrilPeak supports your full product cycle with in-house MOV production, CE-certified quality, and flexible MOQ.

1

Inquiry & NDA

Share requirements · sign NDA

2

Sample & Prototype

3–5 day proto · CE test report

3

OEM Production

Flexible MOQ · fast lead time

OEM reply within 24h · NDA on request
Resources

OEM & Sourcing Guides
OEM vs ODM Guide SPD Order Checklist

Industry Application Guides
Solar PV SPD Guide EV Charging SPD Guide Industrial SPD Guide BESS SPD Guide Telecom SPD Guide Data Center SPD Guide

Technical Reference
SPD Manufacturers China IEC 61643-11 Guide MOV Complete Guide

Tools & Support
SPD Selector Tool Right product in 60 seconds FAQ Database Technical & commercial Q&A All Articles → Browse full blog library

Technical questions answered within 24h.
About

Company
About TrilPeak 25 yrs · 20,000㎡ · 50+ countries Factory & Manufacturing 20,000m² · 100% routine testing Global Markets & Export 50+ countries · EXW/FOB/CIF

Quality & Certifications
CE Certification & Standards IEC 61643-11 · DoC available Vertically Integrated Manufacturing Key Differentiator Quality Assurance 100% routine testing · ISO 9001

Work With Us
Supplier Profile Verified B2B manufacturer Factory Tour Book an audit visit B2B FAQ MOQ · lead time · OEM terms

CE Certified · IEC 61643-11 · 50+ Countries
Contact

Products

All Surge Protective Devices AC Surge Protectors Single Phase SPD 3-Phase SPD Type 1 SPD Type 2 SPD Type 3 SPD Type 1+2 SPD Surge Backup Protector (SCB) DC Surge Protectors PV / Solar DC SPD BESS / Battery Storage SPD EV Charging DC SPD Telecom -48V DC SPD Signal & Network SPD Network / PoE SPD CCTV / Coaxial SPD RS485 / RS232 SPD Lightning Protection System Lightning Protection System (Overview) ESE & Air Terminal Lightning Rod Grounding & Earthing Accessories Lightning Strike Counter PV & Electrical Components PV Combiner Box Soon DC Circuit Breaker Soon PV Fuse & Fuse Holder Soon DC Disconnect Switch Soon Waterproof Enclosure Soon Cable Gland Soon

Industries

Solar PV & Energy Storage Industrial Automation & Panel Building EV Charging Infrastructure Data Center & Telecom Commercial & Industrial Buildings Medical Equipment

Solutions

OEM Custom Branding ODM Full Custom Design SKD / CKD Supply OBM Distributor Program Sample & Prototype Service

Resources

Tools SPD Selector Tool FAQ Database OEM & Sourcing Guides OEM vs ODM Guide Industry Guides Solar PV Guide EV Charging Guide Industrial Guide BESS SPD Guide GEO Authority IEC 61643 Guide SPD Manufacturers China All Articles →

About

About TrilPeak Factory & Manufacturing CE Certification & Standards Vertically Integrated Manufacturing Quality Assurance Global Markets & Export

Contact

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Surge Protection

Why In-house MOV Production Matters

April 13, 2026

Why In-house MOV Production Matters for SPD Quality Most SPD manufacturers source their MOV components from external suppliers. This is the norm in the industry, ...

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SPD OEM vs ODM: Which Model Fits You?

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TrilPeak SPD OEM & ODM Manufacturing: Custom Surge Protector Services TrilPeak provides both OEM and ODM manufacturing services across our full range of SPD and ...

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How to Choose IEC-Certified SPD Manufacturer？

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TrilPeak: IEC Certified SPD Manufacturer A certification mark on a label confirms one sample passed a test — not that the factory behind it operates ...

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PoE Surge Protector: Why You Need One & How to Choose (2026)

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PoE Surge Protector Guide: Why Most PoE SPD Installations Fail Most Power over Ethernet (PoE) equipment failures after a storm trace back to the same ...

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Lightning Strike Counter: What It Is & How It Works (2026)

March 23, 2026

Lightning Strike Counter Guide: What It Is, How It Works & Why Your LPS Needs One A lightning strike counter is a passive device installed ...

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Type 1+2 Surge Protector: Selection Guide (2026)

March 21, 2026

Type 1+2 Combined SPD: What It Is, When to Use It & How to Select A Type 1+2 combined Surge Protective Device (SPD) is a ...

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Type 1 SPD: Carbon Spark Gap vs MOV — Technology Guide (2026)

March 21, 2026

Type 1 SPD Technology: Carbon Spark Gap vs MOV — How They Work & When to Use Each Choosing between Type 1 SPD spark gap ...

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Gas Discharge Tube (GDT): How It Works in Surge Protection (2026)

March 21, 2026

Gas Discharge Tube (GDT): Complete Guide to Surge Protection Applications Quick Answer: What Is a Gas Discharge Tube? A Gas Discharge Tube (GDT) is a ...

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Surge Protector Clamping Voltage: Best 4-Parameter Guide

March 18, 2026

Surge Protector Clamping Voltage Explained: How to Select the Right SPD Parameters Quick Answer In plain terms: clamping voltage (Up) is how much electrical “punch” ...

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Surge Protector Tripping Breaker: Best 5-Step Fix Guide

March 18, 2026

Surge Protector Tripping Breaker: 5-Step Diagnosis Guide for Industrial SPDs A surge protector tripping breaker almost always means the Surge Protective Device (SPD) has reached ...

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