Sun Sci Solar Solutions

MC4 Solar Connectors

MC4 connectors are industry-standard solar cable connectors used to connect solar panels in series and parallel configurations. They provide reliable, weather-proof connections that ensure maximum power transfer and system safety.

Our MC4 connectors are manufactured from premium UV-resistant materials with IP67 rating, ensuring decades of trouble-free operation in all weather conditions.

Key Features:

✓ IP67 waterproof rating
✓ UV & weather resistant
✓ Low contact resistance
✓ Easy plug & play installation
✓ 25+ years lifespan

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MC4 Connector Types

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Male/Female Pair

Standard MC4 connector pair for panel-to-panel connections

• Current Rating: 30A
• Voltage Rating: 1000V DC
• Cable Size: 2.5mm² - 6mm²
• TUV Certified

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Y Branch Connector

For parallel connections (2-to-1 or 3-to-1)

• 1 Male to 2/3 Female
• 1 Female to 2/3 Male
• Parallel string connection
• Weather-proof design

⚡

T Branch Connector

For junction box & array connections

• Multi-string connections
• Inline tap connections
• High current handling
• UV resistant housing

Technical Specifications

Electrical Specifications:

Rated Current: 30A (continuous)
Max Current: 50A (short duration)
Rated Voltage: 1000V DC / 1500V DC
Contact Resistance: ≤ 0.5mΩ
Insulation Resistance: ≥ 200MΩ
Dielectric Strength: 6kV (50Hz, 1min)

Physical Specifications:

Material: PPO (UV resistant)
Contact Material: Copper (tin-plated)
IP Rating: IP67 (dust & water proof)
Cable Size: 2.5mm² to 6mm²
Operating Temp: -40°C to +90°C
Certification: TUV, CE, IEC 62852

How to Install MC4 Connectors

1

Strip Cable

Strip 6-8mm of cable insulation using wire stripper

2

Insert into Connector

Push stripped wire into metal contact pin

3

Crimp Properly

Use MC4 crimping tool for secure connection

4

Assemble Housing

Snap plastic housing over crimped contact

Why Choose Our MC4 Connectors?

✓

Genuine Quality

TUV & CE certified authentic MC4 connectors

💧

Waterproof

IP67 rated for outdoor installations

🔥

Heat Resistant

Works in -40°C to +90°C temperature

⚡

Low Loss

Minimal contact resistance for efficiency

Package Options

10 Pairs

For small residential systems

10 Male + 10 Female
1-3kW systems

POPULAR

50 Pairs

For medium commercial systems

50 Male + 50 Female
5-25kW systems

100+ Pairs

For large industrial projects

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Bulk quantities
50kW+ systems

Need MC4 Connectors for Your Solar Project?

Get genuine TUV certified MC4 connectors at best prices!

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