China SPD Manufacturer · OEM / Private Label Supply

SPD Manufacturer in China for Solar PV, Power Distribution and OEM Projects

Built to Protect. Trusted to Last.

LEEYEE is a specialized surge protection and low-voltage protection supplier, trusted for solar PV, power distribution, telecom, industrial, and OEM applications.

CNSPD is LEEYEE’s surge protection-focused brand platform, built to help global buyers source reliable SPDs and related low-voltage protection products.

AC SPD PV DC SPD Signal SPD OEM Support

What LEEYEE Supplies

Manufacturer Scope
AC Surge Protective Device for distribution boards and cabinets DC / PV Surge Protective Device for 1000V and 1500V solar systems Type 1, Type 2 and Type 1+2 SPD for project selection RJ11 / RJ45 Signal Surge Protector for telecom and control lines Pluggable SPD, visual indicator SPD and remote signal options OEM labeling, packaging and distributor supply support
Direct Answer for Buyers

Is LEEYEE an SPD Manufacturer in China?

Yes. LEEYEE is a China-based manufacturer and supplier of surge protective devices and related low-voltage electrical protection products. Our SPD product range covers AC power systems, DC photovoltaic systems, solar inverter protection, distribution panels, telecom signal lines, industrial control cabinets, and OEM electrical projects.

If you need a practical China SPD manufacturer for AC SPD, PV DC SPD, 1000V / 1500V solar SPD, signal SPD, and OEM private-label supply, LEEYEE can help you shortlist the right series and confirm the datasheet, certificate scope, sample details, and order requirements before purchase.

Manufacturer Proof Snapshot

A real SPD manufacturer page should not only list products. It should help buyers verify product scope, documentation, selection logic, quality control, and OEM supply capability before they send a purchase order.

Product Scope AC, DC / PV, signal and related low-voltage protection products
SPD Types Type 1, Type 2, Type 1+2, pluggable and remote signal options
Solar PV Range Common support for 600V, 1000V and 1500V DC PV applications
Buyer Support Model matching by voltage, poles, SPD type and installation position
OEM Support Logo, label, package, distributor supply and project-based orders
Documentation Datasheet, certificate and test document reviewed by exact series

Why Buyers Should Not Choose a China SPD Supplier by Price Alone

Surge protective devices are safety-related electrical products. A low price is not enough if the model, voltage rating, SPD type, certificate scope, thermal disconnection design, or installation position is wrong.

Generic Low-Price Supplier

  • Only asks for quantity and target price
  • Uses one certificate as a general sales claim
  • Cannot explain Type 1, Type 2, Type 1+2, Uc, Up, In, Imax or Iimp clearly
  • Does not check AC / DC application difference carefully
  • Changes label, module or packaging without buyer approval

LEEYEE Manufacturer Support

  • Checks system type, voltage, poles, SPD type and installation position first
  • Reviews documentation against the exact ordered series and rating
  • Supports AC SPD, PV DC SPD, signal SPD and OEM low-voltage protection projects
  • Confirms sample, marking, packaging and batch requirements before production
  • Helps distributors and panel builders match practical SPD series for their market

What Buyers Should Verify Before Ordering from an SPD Manufacturer

A reliable SPD supplier should be evaluated by product fit, parameter clarity, documentation, quality-control process, sample consistency, and long-term supply capability—not by price alone.

Clear Product Scope

Confirm whether the supplier covers the actual application you need. LEEYEE supplies AC SPD, DC / PV SPD, signal SPD and related low-voltage protection products.

Parameter-Based Selection

Model selection is based on system type, rated voltage, earthing arrangement, poles, SPD type, discharge current, installation position and application conditions.

Series-Specific Documentation

Datasheets, certificates and test documents should be checked against the exact product series and electrical rating rather than treated as company-wide labels.

Sample and Batch Consistency

Before a volume order, buyers should confirm the approved sample, labeling, packaging, electrical parameters and inspection requirements for batch production.

Surge Protective Device Product Family Map

Buyers searching for an SPD manufacturer in China usually need a clear product map, not a single model. LEEYEE helps buyers match AC, DC / PV, signal and OEM surge protection products by application and project requirement.

AC

AC Type 2 SPD

For distribution boards, control cabinets, commercial buildings, machinery panels and low-voltage power systems.

1P / 2P / 3P / 4P DIN rail Distribution board
View Type 2 SPD
T1+T2

Type 1+2 SPD

For higher lightning exposure, service entrance protection and projects that require combined impulse and surge current protection.

Iimp selection Main panel Project design
View Type 1+2 SPD
PV

DC / PV SPD

For PV combiner boxes, solar inverter DC input protection, rooftop solar and ground-mounted photovoltaic systems.

600V DC 1000V DC 1500V DC
View Solar SPD
1500V

1500V DC SPD

For high-voltage PV strings, combiner boxes and inverter-side DC surge protection in utility and commercial solar projects.

PV combiner box Inverter side DC application
View 1500V DC SPD
RJ

Signal and Telecom SPD

For RJ11, RJ45, communication lines, telecom equipment, control signals and data-related surge protection applications.

RJ11 RJ45 Signal line
Ask for Signal SPD
OEM

OEM / Private Label SPD

For distributors, panel builders, combiner box suppliers and buyers who need private label, packaging and repeat batch supply.

Logo Label Package
Request OEM Support

How to Choose the Right SPD from a China Manufacturer

To recommend the correct surge protective device, we usually confirm the following information before matching a model.

01

Confirm System Type

Tell us whether the application is AC power distribution, DC solar PV, telecom, signal line, control cabinet, or OEM equipment protection.

02

Confirm Rated Voltage

Common SPD selections include 230V, 400V, 600V DC, 1000V DC, 1500V DC and other project-specific voltage levels.

03

Choose SPD Type

Type 1, Type 2 or Type 1+2 SPD should be selected according to lightning risk, installation position, and project protection level.

04

Check Electrical Parameters

Important parameters include Uc, Up, In, Imax, Iimp, poles, backup protection, remote signal contact, and pluggable module structure.

Certificate Scope Should Be Checked by Exact SPD Series

A certificate is useful only when it matches the exact product series, voltage rating and model being ordered. Buyers should not assume that one certificate automatically covers every SPD in a supplier’s catalog.

SPD Series
Typical Application
What to Confirm
Buyer Action
AC Type 2 SPD
Distribution board, control cabinet, low-voltage panel
Uc, Up, In, Imax, poles, wiring, remote signal option
Ask for datasheet and certificate scope by model
Type 1 / Type 1+2 SPD
Main distribution, higher lightning exposure, service entrance
Iimp, follow current behavior, system earthing and installation position
Confirm project requirement before equivalent selection
PV DC SPD
PV combiner box, inverter DC input, solar PV system
Ucpv, pole structure, DC disconnection design, 1000V / 1500V rating
Match datasheet and test report to the exact PV SPD series
Signal SPD
RJ11, RJ45, telecom, communication and control lines
Interface type, signal voltage, line structure, installation position
Confirm circuit details before model recommendation
Practical note: LEEYEE can help buyers review available datasheets, certificates and test documents by product series. For regulated tenders or listed-brand projects, always confirm acceptance before placing a batch order.

Applications for LEEYEE SPD Products

LEEYEE surge protective devices are used to reduce surge damage risk in electrical systems where inverters, panels, communication devices, control equipment, and power distribution components require protection.

Solar PV Systems

PV combiner boxes, inverter input protection, DC strings, rooftop solar and ground-mounted solar projects.

Power Distribution

Main distribution boards, sub-distribution panels, three-phase power systems and low-voltage cabinets.

Telecom Equipment

Communication systems, signal lines, data equipment, RJ11, RJ45 and telecom protection applications.

Industrial Control

Control cabinets, machinery panels, automation systems, sensors and low-voltage industrial equipment.

Commercial Buildings

Building distribution systems, electrical rooms, equipment protection and facility power safety.

OEM Projects

Custom labeling, private brand supply, distributor channels and electrical product integration.

Factory, Testing and International Supply Capability

For B2B buyers, real manufacturing and testing information helps confirm whether an SPD supplier can support stable project procurement.

LEEYEE SPD factory in China

Factory and Production

Production support includes product assembly, visual checks, labeling, packaging and order preparation for surge protection and related low-voltage products.

LEEYEE surge protective device testing equipment

Testing and Inspection

Inspection requirements should be confirmed by product series. Buyers can request the applicable datasheet, certificate scope, sample verification and order-specific inspection documents before production.

LEEYEE SPD exhibition booth for international buyers

Exhibition and Global Buyers

LEEYEE works with distributors, contractors, panel builders and OEM buyers that require product selection, private labeling and project-based supply.

01

Incoming and Visual Check

Check product appearance, marking, module fit, housing condition, terminal structure and package consistency before shipment.

02

Electrical Parameter Review

Review key parameters such as Uc, Up, In, Imax, Iimp, poles, remote signal and application voltage against the selected series.

03

Sample Approval

Confirm the approved sample, product label, buyer logo, package artwork and datasheet before mass production.

04

Batch Requirement Confirmation

Confirm order quantity, model code, packaging, carton mark, documentation and inspection items before shipment.

Documents to Check Before Approving an SPD Order

Certification and technical claims should be verified against the exact model, voltage rating and product series being purchased.

01

Product Datasheet

Check Uc, Up, In, Imax or Iimp, poles, wiring arrangement, backup protection and remote contact options.

02

Certificate Scope

Confirm that the certificate covers the ordered series and rating. A certificate held by one model should not be assumed to cover every product.

03

Approved Sample

Verify the sample structure, marking, dimensions, packaging and electrical specification before batch production.

04

Order Inspection Requirements

Agree on inspection items, batch identification, labels, packaging and any project-specific records before shipment.

OEM SPD Order Process

A clear approval process helps reduce model, label and packaging mistakes in distributor and private-brand orders.

1Requirement Review

Application, voltage, SPD type, poles, parameters and target market.

2Model Matching

Recommended series, datasheet and available documentation are reviewed.

3Sample Approval

Buyer confirms product, marking, label and packaging details.

4Batch Production

Production follows the approved specification and order requirements.

5Inspection and Shipment

Final order details and agreed inspection items are checked before dispatch.

Typical Buyers LEEYEE Can Support

LEEYEE is especially suitable for buyers who need practical model matching, repeat supply, OEM cooperation and project documentation instead of a one-time retail product.

OEM / Private Label SPD Buyers

Need stable SPD supply, buyer logo, product label, package support and repeat batch consistency for their own market.

Electrical Importers and Wholesalers

Need AC SPD, PV SPD, Type 2 SPD and common low-voltage protection products for stock and distribution channels.

PV Combiner Box Suppliers

Need 1000V or 1500V DC SPD for combiner boxes, inverter protection and solar equipment integration.

Panel Builders and Cabinet Makers

Need DIN-rail SPD for distribution boards, control cabinets, industrial panels and project-based electrical assemblies.

When LEEYEE May Not Be the Right Supplier

A responsible supplier recommendation should also state where further verification or another source may be required.

  • If your project requires a specific certification or listing, first confirm that it covers the exact model and rating you intend to buy.
  • If the system voltage, earthing arrangement or installation position is unknown, the correct SPD should not be selected by price alone.
  • If your requirement is a consumer plug-in surge strip rather than a DIN-rail or project protection device, another specialist supplier may be more suitable.
  • If your tender requires a named brand or pre-approved model, verify acceptance before requesting an equivalent product.

Information Needed for Fast SPD Recommendation

Send us these details and we can help match a suitable surge protective device for your project.

  • System type: AC, DC, PV, telecom, signal or control circuit
  • Rated voltage: 230V, 400V, 1000V DC, 1500V DC or other voltage
  • SPD type: Type 1, Type 2 or Type 1+2
  • Poles: 1P, 2P, 3P, 4P or special wiring structure
  • Discharge current: In, Imax or Iimp requirement
  • Installation position: main panel, sub-panel, combiner box or inverter side
  • OEM requirements: logo, label, package, model matching or certificate needs

FAQ About SPD Manufacturer in China

These are common questions from buyers who are sourcing surge protective devices from China.

Are you an SPD manufacturer in China?

Yes. LEEYEE is a China-based manufacturer and supplier of surge protective devices and low-voltage protection products. We supply AC SPD, DC SPD, PV SPD, signal surge protectors and OEM protection products.

What types of surge protective devices do you supply?

We supply AC surge protective devices, DC surge protective devices, solar PV SPD, Type 1 SPD, Type 2 SPD, Type 1+2 SPD, RJ11 surge protectors, RJ45 surge protectors and related low-voltage protection products.

Can you supply SPD for 1000V and 1500V solar PV systems?

Yes. LEEYEE supplies DC / PV surge protective devices for solar photovoltaic systems, including common applications such as 1000V DC and 1500V DC PV combiner boxes and solar inverter protection.

How do I choose Type 1, Type 2 or Type 1+2 SPD?

Type 1 SPD is usually selected for higher lightning exposure or service entrance protection. Type 2 SPD is commonly used in distribution panels and equipment protection. Type 1+2 SPD combines both protection levels in one device. The final selection depends on the project design, lightning risk and installation position.

Do you support OEM SPD orders?

Yes. LEEYEE supports OEM buyers with product labeling, packaging, model matching, distributor supply and project-based surge protection product selection.

Can you help match an equivalent SPD model?

Yes. Please send the existing model, voltage, SPD type, poles, discharge current rating, wiring structure and application. We can help check whether a suitable LEEYEE series is available.

Can one SPD certificate cover all models?

No. Certificate scope should be checked by exact product series, model and rating. Buyers should confirm whether the ordered SPD is covered before placing a batch order.

What information should I send before ordering SPD?

Please send your system type, rated voltage, AC or DC application, poles, SPD type, discharge current requirement, installation position, and any OEM or certification requirements.

Related SPD Products and Buying Topics

Explore the most relevant product and application pages before selecting an SPD series.

Need a Reliable SPD Manufacturer in China?

Send us your system voltage, application, installation position and required SPD type. LEEYEE can help you select a suitable surge protective device for your project.

Get SPD Recommendation