C.K Tools T3671A Crimping Pliers for MC3 & MC4 Solar Connectors 2.5-6 mm²

Solar installations demand reliable connections that withstand harsh environmental conditions. The C.K Tools T3671A crimping pliers are engineered to create secure, factory-calibrated crimps on MC3 and MC4 connectors, ensuring optimal conductivity and long-term performance in photovoltaic systems.

Who is it for

Professional solar installers and electricians who need a dependable, ergonomic tool for crimping solar connectors on cables from 2.5 to 6 mm² (14-10 AWG). Ideal for both field installations and workshop use.

Main features

• Compatible with MC3 and MC4 connector types
• Crimps wire cross-sections: 2.5 mm², 4.0 mm², 6.0 mm² (14, 12, 10 AWG)
• Square crimp profile for consistent, secure connections
• Ratchet mechanism ensures full crimp cycle and prevents premature release
• Quick release lever for added control
• High-grade hardened steel jaws for durability (tested for 40,000 crimp cycles)
• Ergonomic, non-slip plastic handles for comfort during prolonged use
• Length: 220 mm

Specifications

• Tool type: Manual Crimping Pliers
• Compatible connectors: MC3, MC4
• Crimping profile: Square
• Wire range metric: 2.5–6.0 mm²
• Wire range AWG: 14–10
• Mechanism: Ratchet
• Jaw material: High-grade hardened steel
• Handle material: Ergonomic non-slip plastic
• Release function: Quick release lever
• Length: 220 mm
• Durability: Tested for 40,000 crimp cycles

Tips

Always match the connector type and wire size to the appropriate die position. The ratchet mechanism ensures a complete crimp; do not force the release lever before the cycle is finished. Keep jaws clean and lightly lubricated for optimal performance.