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Twenty pairs of black cylindrical solar cable connectors with silver-plated copper contacts, PPO and ABS housings, matte finish

The Perfect Part

The Perfect Part Solar Cable Connectors 20 Pairs

SKU CH-WF10-ZTGCD

Twenty pairs of MC4-compatible solar connectors rated to 30 A, IP67 when mated, and built to withstand -40 °C to +90 °C

  • TypeDC Power Supplies
  • Engine BrandThe Perfect Part
  • Starter TypeRecoil
  • MaterialPPO + ABS
  • Temperature Range-40 C ~ +90 C
  • Primary Openings1

Pack 20 Pairs

  • 20 pairs per pack simplify large solar installs
  • Rated 22 A on 2.5 mm and 30 A on 4-6 mm cable
  • IP67 mated seal resists rain and snow
  • Copper silver-plated contacts keep resistance low at 0.2 mm
  • UL94-V0 or UL94-5VA flame rating meets strict safety standards

Solar Cable Connectors 20-Pack

The Perfect Part Solar Cable Connectors ship as a 20-pair set of male and female DC power connectors built for photovoltaic installations. The PPO plus ABS housings with PC/PA insulation accept 2.5 mm², 4 mm² and 6 mm² cables, covering AWG 14, 12 and 10. Silver-plated copper contacts deliver a contact resistance of 0.2 mΩ and suit installers who need a single connector family across multiple string sizes.

Thermals and Environmental Sealing

Rated from -40 °C to +90 °C, the connectors meet UL94-V0 or UL94-5VA flame class and achieve IP2X protection when unmated and IP67 once mated. The 4.0 mm pin diameter requires 50 N insertion and withdrawal force, giving a secure lock that resists vibration in outdoor arrays. No active cooling or power draw is involved, so the parts add no thermal load to the system.

Current Rating by Cable Size

The single specification that decides fit is the rated current: 22 A on 2.5 mm² cable and 30 A on 4 mm² or 6 mm² cable. Builders whose design calls for higher continuous current per connector cannot use this series, and projects limited to smaller-gauge wire should verify the 22 A ceiling meets their string calculations.

Highlights

  • 20 pairs per pack simplify large solar installs
  • Rated 22 A on 2.5 mm and 30 A on 4-6 mm cable
  • IP67 mated seal resists rain and snow
  • Copper silver-plated contacts keep resistance low at 0.2 mm
  • UL94-V0 or UL94-5VA flame rating meets strict safety standards

Specifications

TypeDC Power Supplies
Engine BrandThe Perfect Part
Starter TypeRecoil
MaterialPPO + ABS
Temperature Range-40 C ~ +90 C
Primary Openings1
Secondary Openings1
Wire TypeAI
Features20-pack; Color: Black; Material: PPO + ABS; Insulation Material: PC/PA, black

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Questions about this item

How do I crimp these 4.0 mm diameter pins onto 2.5 mm² cable without the contact resistance rising above 0.2 mm?

Strip the insulation to the exact length marked on the crimp tool die, insert the wire fully so the copper reaches the pin shoulder, then compress with a calibrated 4 mm² hex die; a loose crimp or over-stripped wire adds resistance and heat.

Which part of the connector pair wears out first after repeated mating cycles in a rooftop array?

The silver-plated copper contacts and the PC/PA insulation see the most stress; the 50 N insertion and withdrawal forces stay within spec for thousands of cycles, but grit or UV-cracked insulation will eventually demand replacement of the affected pair.

At what sustained current does the 30 A rating on 4 mm² or 6 mm² cable hit its thermal limit inside the PPO + ABS housing?

The housing is rated to 90 °C; at 30 A continuous the contact temperature approaches that ceiling, so derate or improve airflow if ambient temperatures regularly exceed 40 °C to avoid tripping the UL94-V0 flame-class threshold.

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