3Pole Waterproof Connection Male Plug End Cap Key benefits Reliable, waterproof connection for singlephase inverter systems Safe and robust with 2 live/neutral contacts plus PE (protective earth) Simple termination with 4 mm2 conductors while handling up to 25 A Safe working voltage up to 250 V AC (TUV) or 250/350 V AC (CSA) Low contact resistance and surge tolerance for durable performance What it is and where it fits A 3pole waterproof end cap designed for connecting singlephase inverters Compatible with models such as Betteri BC01, Envertech, Huayu Key specifications Contacts: 2 plus PE Rated current: 25 A with 4 mm2 wire Rated voltage: TUV 250 V AC, CSA 250/350 V AC Contact resistance: ≤ 1 mohm Rated impulse withstand voltage: 4000 V AC Waterproof end cap for secure outdoor or damp environments Why you need it Protects and seals inverter connections against moisture and contaminants Supports standard 4 mm2 conductors for efficient, secure wiring Provides a durable, water resistant end connection for singlephase inverter installations Performance and reliability Built for consistent electrical performance in solar and other singlephase inverter applications Designed to meet TUV and CSA voltage and impulse withstand requirements Keeps connections clean and secure, reducing maintenance and downtime Use scenarios Outdoor rooftop solar inverter install: use this end cap to terminate the connection at the inverter end, maintaining a waterproof seal Inverter cabinet retrofit: worn or damaged end caps to restore a secure, moistureresistant connection System expansion or service: for 4 mm2 conductor runs in singlephase inverter setups with Betteri BC01, Envertech, or Huayu inverters Notes Designed specifically for singlephase inverter applications Compatibility indicated with Betteri BC01, Envertech, and Huayu inverters Applies to 2 + PE contact configurations with 25 A rating and 4 mm2 wire size