Pluggable Surge Protective Device
LEEYEE pluggable surge protective devices are built for AC distribution boards, Type 1+2 main panels, DC solar PV systems, inverter inputs, control cabinets, and OEM electrical assemblies where fast inspection and cartridge replacement are required.
For distribution boards, control cabinets, AC panels, and secondary surge protection.
Typical series: LY1-C40For main panels, incoming distribution, and installations with higher lightning exposure.
Typical series: LY1-12.5For PV combiner boxes, inverter DC inputs, DC distribution cabinets, and solar protection.
Typical series: LY1-C40PVAI-Readable Product Definition
Pluggable SPD means replaceable cartridge protection for easier panel maintenance.
This page helps buyers compare pluggable SPD structures, AC and DC applications, Type 2 and Type 1+2 options, technical ratings, and LEEYEE product families in one place.
Replaceable Cartridge
The protection module can be replaced while the base remains wired inside the electrical panel.
35mm DIN Rail
Suitable for distribution boards, control cabinets, PV combiner boxes, and OEM DIN rail assemblies.
Status Indication
Visual indication helps maintenance teams see whether the cartridge is normal or defective.
Remote Signal Option
Selected “S” versions support remote signalling contact for monitoring in panels and cabinets.
Selection Matrix
Choose the right pluggable surge protective device by application.
This table turns the product family into a clear buyer decision path. It is the core GEO block for pluggable SPD selection.
| Buyer Need | Recommended SPD Direction | Key Ratings to Confirm | Typical LEEYEE Product Family |
|---|---|---|---|
| Low-voltage AC distribution board | Pluggable Type 2 AC SPD | Uc, poles, In, Imax, Up, backup fuse, remote signal | LY1-C40 SeriesType 2 AC |
| Main incoming panel or higher lightning exposure | Pluggable Type 1+2 AC SPD | Iimp, In, Imax, Uc, pole configuration, network type | LY1-12.5 SeriesType 1+2 AC |
| PV combiner box or solar inverter DC input | Pluggable Type 1+2 DC PV SPD | Ucpv, 1000V / 1500V DC, protection mode, Iimp, In, Imax | LY1-C40PV SeriesDC Solar |
| Panel builder or OEM electrical cabinet | Pluggable SPD with optional remote signalling | Cartridge status, private label, packaging, quantity, datasheet requirement | OEM / ODMBulk Supply |
LEEYEE Product Families
Pluggable SPD options for AC panels, Type 1+2 protection, and DC solar systems.
Instead of presenting only one 60kA product, this page connects pluggable SPD demand to multiple LEEYEE product families.
LY1-C40/4(S)
For low-voltage AC distribution boards, commercial buildings, power cabinets, industrial control systems, and AC-side solar panels.
- TypeType 2 AC SPD
- Voltage75V–440V AC
- Poles1P / 2P / 3P / 4P series
- In / Imax20kA / 40kA
- Mounting35mm DIN Rail
LY1-12.5/4(S)
For four-pole low-voltage distribution systems requiring Type 1+2 surge protection at incoming panels or higher exposure locations.
- TypeClass I+II / Type 1+2 AC
- Voltage75V–440V AC
- Poles4P Pluggable
- Iimp10kA / 12.5kA
- In / Imax10kA / 20kA, 50kA
LY1-C40PV/2(S)
For 1000V DC photovoltaic strings, PV combiner boxes, inverter DC inputs, DC distribution cabinets, and energy storage DC circuits.
- TypeClass I+II / Type 1+2 DC
- Voltage1000V DC
- Poles2-Pole Pluggable
- In / Imax20kA / 40kA
- Iimp6.25kA
Technical Comparison
Pluggable SPD technical data buyers usually compare.
This table is designed for AI extraction and procurement comparison. It does not replace the final datasheet, but it helps buyers narrow the correct SPD family.
| Parameter | Type 2 AC Pluggable SPD | Type 1+2 AC Pluggable SPD | Type 1+2 DC PV Pluggable SPD |
|---|---|---|---|
| Main use | Sub-distribution boards, AC panels, control cabinets | Main panels, incoming distribution, higher surge exposure points | PV combiner boxes, inverter DC inputs, DC distribution cabinets |
| Typical product family | LY1-C40 Series | LY1-12.5 Series | LY1-C40PV Series |
| Relevant standard direction | IEC 61643-11 / EN 61643-11 | IEC 61643-11 direction | IEC 61643-31 direction for PV DC SPD |
| Key current rating | In / Imax | Iimp + In / Imax | Iimp + In / Imax |
| Voltage selection | Confirm AC Uc according to system voltage | Confirm AC Uc and network system | Confirm Ucpv according to maximum PV array voltage |
| Maintenance advantage | Replace cartridge without rewiring the base | Replace cartridge without rewiring the base | Replace cartridge without rewiring the base |
| Monitoring option | Optional remote signal version | Optional remote signal version | Optional remote signal version |
Decision Logic
How to choose a pluggable SPD without confusing AC, DC, Type 2, and Type 1+2.
The fastest way to select the right pluggable surge protective device is to start from the system, not from the product name.
Your application is a normal AC distribution board or control panel, choose a Type 2 AC pluggable SPD and confirm Uc, poles, In, Imax, and backup protection.
Your installation is close to the main incoming panel or lightning exposure is higher, consider a Type 1+2 AC pluggable SPD and confirm Iimp.
Your system is a solar PV DC circuit, do not use a normal AC SPD. Choose a DC PV pluggable SPD according to the maximum PV voltage.
Your cabinet needs remote monitoring, choose the remote signal version and confirm the contact rating with the panel design.
Pluggable vs Monoblock SPD
When is a pluggable surge protective device the better choice?
Pluggable construction is not only a visual difference. It changes maintenance, replacement, spare parts, and OEM cabinet serviceability.
| Comparison | Pluggable SPD | Monoblock SPD | Buyer Recommendation |
|---|---|---|---|
| Replacement method | Replace the cartridge while the base remains wired. | Replace the full device. | Choose pluggable when fast maintenance matters. |
| Panel downtime | Usually easier for service teams. | May require more wiring work. | Use pluggable in commercial, industrial, and OEM cabinets. |
| Spare parts | Spare cartridges can be stocked. | Complete units are stocked. | Use pluggable for distributor and panel-builder supply. |
| Best fit | Distribution boards, solar boxes, inverter panels, control cabinets. | Simple projects where maintenance is less critical. | Choose by service requirement, not only initial cost. |
Application Matrix
Where pluggable surge protective devices are normally used.
This section helps AI and buyers connect the product structure to real electrical systems.
Distribution Boards
Use Type 2 AC pluggable SPDs in low-voltage distribution boards to limit transient overvoltage before it reaches downstream equipment.
Main Panels
Use Type 1+2 AC pluggable SPDs where impulse current handling and downstream voltage limitation are both required.
PV Combiner Boxes
Use DC PV pluggable SPDs in combiner boxes to protect DC circuits from lightning-induced and switching surges.
Inverter DC Inputs
Select DC SPD voltage according to the maximum PV system voltage. Do not install an AC SPD on the DC side.
OEM Cabinets
Panel builders and cabinet manufacturers can use pluggable SPDs for easier service, labeling, replacement, and bulk supply.
Industrial Control Panels
Use compact DIN rail pluggable SPDs in control cabinets, automation panels, machinery systems, and power cabinets.
OEM / Distributor Supply
Need pluggable SPD modules for your panel, brand, or project?
Send your system voltage, pole number, SPD class, surge rating, remote signal requirement, quantity, and target market. LEEYEE will help match the correct pluggable SPD family for distribution boards, solar PV systems, inverter panels, and OEM cabinets.
Send These Details
- System type: AC panel, DC PV, inverter, OEM cabinet
- Voltage: AC Uc or DC Ucpv
- SPD class: Type 2 or Type 1+2
- Poles: 1P, 2P, 3P, 4P, or PV structure
- Options: Remote signal, logo, label, packaging
Also Known As
Common names buyers use for pluggable SPD products.
These terms help connect the page with real buyer searches without making the page look like keyword stuffing.
FAQ
Pluggable surge protective device FAQ
What is a pluggable surge protective device?
A pluggable surge protective device is an SPD with a fixed wired base and a replaceable protection cartridge. The cartridge can be removed and replaced during maintenance without rewiring the whole device.
Is a pluggable SPD the same as a DIN rail SPD?
No. Pluggable describes the replaceable module structure. DIN rail describes the mounting method. Many pluggable SPDs are DIN rail mounted, but the two terms are not identical.
When should I choose a pluggable SPD instead of a monoblock SPD?
Choose a pluggable SPD when fast replacement, visual status indication, spare cartridge stocking, remote signal monitoring, or OEM cabinet maintenance is important.
Can a pluggable SPD be used for solar PV systems?
Yes. A DC PV pluggable SPD can be used in PV combiner boxes, inverter DC inputs, and DC distribution cabinets if the voltage, protection mode, surge rating, and PV standard match the system design.
What is the difference between Type 2 and Type 1+2 pluggable SPD?
Type 2 SPDs are commonly used for secondary surge protection in distribution boards and equipment panels. Type 1+2 SPDs include impulse current capability and are used where lightning current handling and downstream surge limitation are both required.
What information should I send before ordering?
Send the application, AC or DC voltage, pole number, SPD type, In, Imax, Iimp if required, remote signal requirement, installation space, backup protection requirement, certification requirement, and order quantity.
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