Mc4 Plug Connector

mc4 connectors
Mc4 Plug Connector

Nominal Voltage: 1000V
Rated Current: 30A (4.0mm2, 6mm2)
Test Voltage: 6000 V (50 Hz)
Degree of Protection: IP67
Flammability Classification: UL94-V0
Connector Conductive Material: copper, tin
Operating Temperature Range: -40 ℃ ~ + 90 ℃
Security Level: Ⅱ
Adapter Cable: 2.5mm2 / 4mm2 / 6mm2 (AWG 12/14/10)
Connector Contact Resistance: ≤5mΩ
Insertion Force ≤ 50 N
Extraction Force ≥50 N

The Mc4 Plug Connector is widely recognized and adopted in the industry for its superior performance, durability, and ease of use. Whether for rooftop solar panels, outdoor PV systems, or mobile energy solutions, MC4 plug connectors are an indispensable choice for connecting solar modules.
Choosing MC4 plug connectors means choosing reliability, durability, and efficiency. Whether you are building a new solar project or upgrading an existing system, MC4 connectors offer the best-guaranteed performance and are the ideal choice for connecting solar modules.

Technical Parameters
Connector systemØ 4 mm
Rated voltage1000 V DC/1500 V DC (TÜV) 1)600 V DC/1000 V DC/1500 V DC (UL)2)1500 V DC (JET)3)
Rated current TÜV85 °C)39 A (2.5 mm²/14 AWG)45 A (4.0 mm²/12AWG)53 A (6.0 mm²/10AWG)69 A (10.0 mm²/8 AWG)
Rated pulse voltage 12 kV (1000 V)12kV (1000 V)16kV (1500 V)
Ambient temperature range-40 °C …+85 °C (TÜV/UL)
Upper-temperature limit115 °C (TÜV)
Protection class, inserted
IP65/IP68 (1h/1m)IP2X
Overvoltage category/contamination classCAT III/3
Connector contact resistance≤0.2 mΩ
Safety classII
Connection systemMULTICAM
Connection typeCrimp
Contact materialCopper, tinned
Insulation materialPA
Locking system (UL)recessed
Flame retardant classUL94-V0
Ammonia resistance (by DLG technical regulations)Q60095359

High Compatibility: MC4 plug connectors are standardized in design to fit almost all solar panels and photovoltaic systems, ensuring wide adaptability and compatibility.
Excellent Weather Resistance: Made of high-quality materials, they are resistant to harsh weather conditions, including strong UV rays, extreme temperatures, and heavy rain, guaranteeing reliability for long-term outdoor use.
Outstanding Electrical Performance: Provides a stable electrical connection, minimizing power loss and optimizing the overall performance of the system.
Easy Installation and Removal: Adopting the quick-plug design, fast and safe connection and removal can be realized without the use of special tools, which greatly reduces the complexity of installation and maintenance.
Safe and reliable: with excellent waterproof and dustproof performance, meets the IP67 protection level, ensuring safe use in various environments.

mc4 connector design drawing
Project Reference
Physical drawing of solar energy connector
mc4 connector package