Design: LED emergency exit sign module insert for installation in VLTM mounting rail. Additional VLMF . module made of extruded aluminum profile, powder-coated in white, silver (-SI) or black (-SW). Spring steel clips for fastening to the mounting rail. The VLMF . modules can be placed between the VLGF. device carriers. Electrical adapter for flexible tapping of the power supply in the mounting rail. Color and optical coding for easy installation. Mechanical coding to prevent incorrect installation (twisting protection).