Products
PV DC Components Product Center
Browse Willing Electric MC4 connectors, PV combiner boxes, solar cables, DC fuse products, DC MCB, DC SPD and installation accessories for photovoltaic wiring and protection projects.
DC MCB
CSB6-63 DC Miniature Circuit Breaker
1P–4P PV DC branch overcurrent protection reference View Details
PV Combiner Box
Solar PV Combiner Box
String collection / DC protection / project selection View Combiner Box Series
PV-FT series
1000V / 1500V MC4 Solar Connector
Willing Electric MC4 solar connectors are built for reliable DC cable connection in rooftop, commercial and ground-mounted PV systems. The connector range supports fast field installation, stable contact performance and long-term outdoor use.
- Low contact resistance with tin-plated copper contacts.
- Snap-in locking structure for secure PV string connection.
- Compatible with 2.5 / 4 / 6 / 10 mm2 solar cable options.
- Suitable for module wiring, extension cable and combiner box input connection.
Product overview
Safe DC connection for photovoltaic power systems.
MC4 type solar connectors are used to connect PV modules, extension cables and DC protection equipment. Willing Electric supplies connector options for 1000V and 1500V solar systems, helping installers build a stable cable path from the module side to the inverter side.
The product design focuses on secure locking, weather resistance and consistent electrical contact. It is suitable for OEM buyers, solar installers, distributors and PV project procurement teams who need dependable solar connector supply with export-ready documentation.
1500V DCAvailable system voltage for modern PV arrays
IP67Mated waterproof protection for outdoor installation
0.5 mOhmContact resistance reference from uploaded specifications
10 mm2High-current cable option for selected connector versions
Advantages
Designed for durable field connection.
Product language is written in English for international buyers while keeping the original Chinese source parameters as internal reference only.
Stable Conductivity
Tin-plated copper contacts help keep resistance low and support stable DC transmission.
Weather Protection
IP67 mated protection supports outdoor PV wiring exposed to rain, dust and system temperature changes.
Fast Assembly
Snap-in locking and matching assembly tools help installers complete connector work efficiently.
Project Flexibility
Multiple voltage, current and cable-size choices make the range suitable for residential and commercial PV projects.
Installation logic
Simple workflow for MC4 connector assembly.
For project buyers, the product is normally supplied with connector bodies and metal terminals. Matching spanners and crimping pliers can be quoted as accessories for installation teams.
01Prepare PV cable according to project cable size.
02Crimp the metal terminal with matching crimping pliers.
03Insert the terminal and assemble the connector housing.
04Lock the connector pair and inspect polarity before energizing.
Applications
Used across common PV installation scenarios.
MC4 connectors are suitable for module-side wiring, extension cables, branch connections and DC protection equipment input wiring.
Solar Plant
String wiring and DC cable connection in ground-mounted photovoltaic projects.
Rooftop PV
Connector and extension cable use for residential and commercial rooftop systems.
Off-grid System
Reliable DC connection for batteries, controllers and distributed PV power systems.
Solar Pump
Outdoor DC cable connection for solar water pump and remote power applications.
Technical specifications
PV-FT series MC4 connector data.
Final values can be confirmed against the exact model, cable size and certification file before mass production quotation.
| Item | Specification | Notes |
|---|---|---|
| Product Series | PV-FT series MC4 solar connector | Male and female connector pair |
| Rated Voltage | 1000V DC / 1500V DC | Model dependent |
| Rated Current | 30A / 50A | 50A for selected high-current versions |
| Degree of Protection | IP67 mated / IP2X unmated | Outdoor use after correct assembly |
| Contact Resistance | 0.5 mOhm | Reference value from supplied specification material |
| Contact Material | Copper, tin plated | Low-resistance conductive contact |
| Cable Size | 2.5 / 4 / 6 / 10 mm2 | Available options vary by model |
| Temperature Range | -40C to +90C | Application environment reference |
| Locking System | Snap-in | Secure plug connection |
| Flame Class | UL94-HB / UL94-V0 | Material version dependent |
| Available Certificates | CE / TUV / RoHS / CQC / CB / ISO9001 | Confirm certificate scope by model |
Product range
Related PV DC components.
Besides MC4 solar connectors, Willing Electric supplies branch connectors, protection components and installation accessories for complete PV DC wiring projects.
MC4 Solar Connectors1000V / 1500V connector pairs for PV cable connection.
Branch ConnectorsT type and Y type options for parallel PV string wiring.
PV Fuse10 x 38 mm and 10 x 85 mm fuse options for DC protection.
Fuse BaseDIN-rail fuse holders for PV protection circuits.
DC Circuit BreakerPV DC breaker options for isolation and protection.
Surge ProtectionDC surge protective devices for PV electrical systems.
AccessoriesSpanners, crimping pliers and extension cable processing.
Model reference
Connector and component quick tables.
Use these tables as a first quotation reference. Exact datasheets can be sent after confirming your target market and project requirement.
MC4 Solar Connectors
| Model | Rated Voltage | Rated Current | Protection | Key Specification | Certificates |
|---|---|---|---|---|---|
| PV-FT-01 | 1000V DC | 30A | IP67 mated | Copper contact, tin plated; 2.5 / 4 / 6 mm2 cable size | |
| PV-FT-02 | 1000V DC | 30A | IP67 mated | Snap-in locking system; low contact resistance | |
| PV-FT-03 | 1500V DC | 30A | IP67 mated | Supports 2.5 / 4 / 6 / 10 mm2 cable sizes | |
| PV-FT-03-1 | 1500V DC | 50A | IP67 mated | High-current connector version for 10 mm2 cable size | |
| PV-FT-04 / PV-FT-05 | 1000V DC | 30A | IP67 mated | Alternative connector body styles for PV cable connection |
Branch Connectors
| Series | Models | Rated Voltage | Rated Current | Use Case | Certificates |
|---|---|---|---|---|---|
| T Type | PV-FT-T1/2 to PV-FT-T1/6 | 1500V DC IEC / 800V DC UL | 50A | Parallel connection for multiple PV string outputs | |
| Y Type | PV-FT-Y1/2 to PV-FT-Y1/6 | 1500V DC IEC / 800V DC UL | 30A | Branch connection for solar panel cabling | |
| Inline Extension | FT-020 | 1500V DC | 30A | Extension and conversion connection in PV arrays |
WILLING MC4 Connector Product Lineup
1000V MC4 Connector
- Rated Voltage: 1000V DC
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 4-6mm2
1500V MC4 Connector
- Rated Voltage: 1500V DC
- Rated Current: 30A / 50A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 4-6mm2 / 10mm2
MC4 Connector with Fuse
- Rated Voltage: 1000V / 1500V
- Rated Current: 20A / 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector with Diode
- Rated Voltage: 1000V
- Rated Current: 10A / 15A / 20-30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-T2
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-T3
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-T4
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-T5
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-T6
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-T4(H)
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-Y2
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-Y3
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
MC4 Connector Type-Y4
- Rated Voltage: 1000V
- Rated Current: 30A
- Protection Degree: IP67
- Contact Resistance: <= 0.5 mOhm
- Flame Class: UL94-V0
- Cable Size: 2.5-6mm2
PV Fuse
| Model | Rated Voltage | Rated Current | Standard |
|---|---|---|---|
| ATPV-30 | 1000V DC | 1A to 32A | IEC60269-6 / GB/T13539.6 |
| ATPV-30S | 1500V DC | 1A to 32A | IEC60269-6 / GB/T13539.6 |
| ATPV-32L | 1500V DC | 1A to 35A | UL248-19 / IEC60269-6 |
Fuse Base
| Model | Rated Voltage | Rated Current | Certificates |
|---|---|---|---|
| ATPV-30D | 1000V / 1500V DC | 32A | TUV / CE / UL |
| ATPV-63LD | 1500V DC | 50A | TUV / CE / UL |
DC Circuit Breaker
| Model | Poles | Rated Voltage | Rated Current |
|---|---|---|---|
| CSB8-63DC | 1P / 2P / 3P / 4P | 1000V DC | 6A to 125A |
Surge Protection
| Model | Rated Voltage | Installation | Discharge Current |
|---|---|---|---|
| GCL-40 (reference) | 385V AC / 1000V DC (image reference) | DIN-rail mounting | In 20kA / Imax 40kA (8/20 µs) |
View the WILLING surge protective device selection, installation and FAQ page.
Accessories
| Product | Models | Use | Notes |
|---|---|---|---|
| Spanners | PV-FTM5 / PV-FTM2-M4 / PV-FTM2 | Connector assembly and maintenance | Options for 1000V and 1500V connector series |
| MC4 Crimping Pliers | LY-2546B / HS-2546B | Terminal crimping | For MC4 terminal installation |
| Solar Extension Cable | Custom length | PV system cable extension | 2.5m / 4m / 6m and custom processing available |
Related products
Build a complete PV DC wiring set.
These items can be quoted together for solar connector distribution, project supply or installation kits.
Branch Connector
T type and Y type options for parallel PV string connection.
Installation Tool Kit
Crimping tools and spanners for connector assembly work.
PV Fuse
DC fuse products for photovoltaic protection systems.
Extension Cable
Custom cable length processing for solar field installation.
FAQ
MC4 connector purchasing questions.
Send the target model, cable size, quantity and certification requirement so the sales team can prepare a focused quotation.
Can you provide samples before bulk order?
Sample requests can be discussed by model, destination and project schedule. Please share the required connector version and cable size.
Which information is needed for a quote?
Recommended details include rated voltage, rated current, cable size, order quantity, packaging preference and target certificate requirement.
Do you support custom cable length?
Yes. Solar extension cable and connector assembly can be discussed based on cable type, length, polarity and packaging requirement.
How should certificates be confirmed?
Available certificates should be checked by exact model and market before purchase. The uploaded CE, TUV and related files are used as product reference material.
Need a quote for MC4 connectors or PV DC components?
Send your project list and Willing Electric can prepare an English quotation reference for review.