The Phase 3 Powersafe range of connectors are designed to connect single & three phase high current power circuits. The Phase 3 IP67 single pole connectors are used in defence, industrial and transportation sectors.
Technical specifications of the SLS-N-BL-S120-M40A  / SLS0001 are: 
Colour coded & mechanically keyed to prevent connection errors 
Flame retardant (UL94-V0)
Locking mechanism to prevent accidental disconnection under load 
Finger-proof contacts to prevent access to electrical contacts when uncoupled (M & F) 
IP67 ingress protection 
Daisy chain hook-up system 
Integral cable strain relief 
No special tools required
35mm – 120mm Screw type terminals 
Check size on 150mm 
Current rating is 500 Amp.