Handa HD brand Waterproof AC Power Terminal Block Connector 200A 4pin, L1, L2, L3 and N 4pins screwing locking type, Is suitable for larger capacity industrial and commercial solar inverter's(Three Phases 100-136KW),IP68 high level waterproof wall-through terminal block style, wire harness of this waterproof terminal block can be customized by clients' requirement.