Photovoltaic (Solar Panel) Connectors - Contacts

Image Part Number Description / PDF Quantity Rfq
1987280-2

1987280-2

TE Connectivity AMP Connectors

CONN PIN CONTACT 12AWG SILVER

843

1409207

1409207

Phoenix Contact

CONN PIN CONTACT 2.5MM SILVER

152

UTXFM4R

UTXFM4R

Amphenol Industrial

CONN PIN CONTACT 10-12AWG TIN

7190

1409209

1409209

Phoenix Contact

CONN PIN CONTACT 6.0MM SILVER

101

1704927

1704927

Phoenix Contact

CONN PIN CONTACT 2.5-4MM SILVER

0

1704928

1704928

Phoenix Contact

CONN PIN CONTACT 6MM SILVER

0

1409208

1409208

Phoenix Contact

CONN PIN CONTACT 4.0MM SILVER

93

1987281-2

1987281-2

TE Connectivity AMP Connectors

CONN SOCKET CONTACT 12AWG SILVER

1

UTXFF4R

UTXFF4R

Amphenol Industrial

CONN SOCKET CONTACT 10-12AWG TIN

7354

2270253-4

2270253-4

TE Connectivity AMP Connectors

PIN,PV4-SMX/PV4-S1MX

0

H4FM4R

H4FM4R

Amphenol Industrial

CONN PIN CONTACT 10-12AWG TIN

0

2270251-4

2270251-4

TE Connectivity AMP Connectors

PIN,PV4-SMX/PV4-S1MX

0

1704930

1704930

Phoenix Contact

CONN SOCKET CONTACT 2.5-4MM SILV

0

2270251-2

2270251-2

TE Connectivity AMP Connectors

PIN CONTACT,STRIP,PLATED, PV4-S

0

2270253-3

2270253-3

TE Connectivity AMP Connectors

PIN,PV4-SMX/PV4-S1MX

0

2270251-3

2270251-3

TE Connectivity AMP Connectors

PIN,PV4-SMX/PV4-S1MX

0

1704931

1704931

Phoenix Contact

CONN SOCKET CONTACT 6MM SILVER

1000

1301960305

1301960305

Woodhead - Molex

MALE PILOT CONTACT ASSY

0

H4FF4R

H4FF4R

Amphenol Industrial

CONN SOCKET CONTACT 10-12AWG TIN

0

1301960314

1301960314

Woodhead - Molex

CONN PIN CONTACT 10-12AWG SILVER

0

Photovoltaic (Solar Panel) Connectors - Contacts

1. Overview

Photovoltaic (PV) connectors are specialized electrical components designed to establish secure and reliable connections between solar panels, inverters, and other system components. Contacts within these connectors serve as critical conductive elements enabling efficient power transmission. Their importance in modern solar energy systems lies in ensuring operational safety, minimizing energy losses, and maintaining system integrity under harsh environmental conditions.

2. Main Types & Functional Classification

TypeFunctional CharacteristicsApplication Examples
MC4 ConnectorsMulti-contact design with IP67 rating, quick-lock mechanismResidential/commercial PV arrays
MC3 ConnectorsLegacy single-contact design with mechanical lockOlder solar installations
Tyco SolarLokMulti-position contacts with polarization protectionUtility-scale solar farms
St ubli MC4-Evo2High-current contacts with anti-arc designHigh-efficiency PV modules

3. Structure & Composition

Typical PV connector assembly consists of: - Contact elements (phosphor bronze with Ag plating) - Insulation housing (UL94 V-0 rated thermoplastic) - Secondary lock mechanism (mechanical strain relief) - Sealing components (EPDM rubber gaskets) - Cable gland (UV-resistant TPE material)

4. Key Technical Specifications

ParameterValue RangeSignificance
Voltage Rating600V-1500V DCDetermines system voltage compatibility
Current Capacity10A-40AAffects power transmission efficiency
Contact Resistance<0.5m Impacts energy loss and thermal performance
IP RatingIP65-IP68Defines environmental protection level
Temperature Range-40 C to +120 CEnsures operational reliability

5. Application Fields

Primary application sectors include: - Residential PV systems (3-10kW) - Commercial rooftop installations (50-500kW) - Utility-scale solar farms (10MW+) - BIPV (Building-Integrated Photovoltaics) - Solar EV charging stations

6. Leading Manufacturers & Products

ManufacturerRepresentative ProductKey Features
St ubliMC4-Evo21500V DC, 30A, 0.2m contact resistance
TE ConnectivitySolarlok+Dual-contact design, UL/cUL certification
Phoenix ContactCOMPAIR PVPlug-and-play system, vibration resistant
AmphenolSolarMaxxHigh-altitude compatible, 5000m rating

7. Selection Guidelines

Key consideration factors: - Current/voltage requirements matching system specifications - Environmental conditions (temperature, humidity, UV exposure) - Cable cross-section compatibility - Compliance with international standards (IEC 62852, UL 6703) - Service life expectancy (>25 years PV system lifespan) - Maintenance requirements and ease of installation

Case Study: Desert solar farm installation selected IP68-rated St ubli MC4 connectors with enhanced UV protection to withstand sandstorms and extreme temperatures.

8. Industry Trends

Current development directions: - Miniaturization with higher current density (1500V systems becoming standard) - Integration of smart monitoring contacts (IoT-enabled connectors) - Development of halogen-free flame-retardant materials - Standardization efforts for global interoperability - Recycling-friendly connector designs with 95%+ material recovery rate

RFQ BOM Call Skype Email
Top