WEIPU SF12 Connector

About WEIPU (from their website): 

WEIPU is one of the world’s largest industrial connector manufacturers. Established in 1996, WEIPU specializes in producing the industrial connectors, waterproof connectors, circular connectors and more to ensure safe and reliable power supply solution.

Specifications:

Coupling	Push-pull
Shell material	Brass with chrome plating
Insert material	PPS, max temperature 260 ℃
Contact material	4-pin Brass with gold plating
Termination	Solder: SF6B, SF8B, SF10, SF12, SF16, SF20 Crimp: SF16, SF20 Screw: SF20 ( 2.5mm contact)
Cable outer diameter range	SF6B: I:2-3mm, II: 3-4mm SF8B: I:3-4mm, II:4-5mm SF10: I:3-4mm, II:4-6.5mm SF12: I: 4-6.5mm, II: 5-8mm SF16 I: 5-8mm, II: 8-12mm SF20 I:5-9mm, II: 8-12mm
IP rating	SF6, SF8: IP44 / IP67 SF10, SF12, SF16, SF20: IP67
Temperature rating	-40 ~ + 85℃
Insulation resistance	2000 MΩ
Good for	Single and double sleeved cables (double recommended)