The largest-sized QLine enclosure, QLine I provides easy access and protects larger controls from corrosive environments. Choose from screw cover, hinge, internal mounting, variable depth and quick-release latch options to meet your design and security requirements. The ABS series shares the same features and similar physical properties as the polycarbonate but is a more economical, non-UL rated alternative. Q403018PCIQRR J Box Type 4X/QR cov 400x300x173mm