The Metal Modular Consumer Unit Enclosures are available in both 2 Way and 4 Way models. This range includes the M2 and M4 models. These metal consumer unit enclosures come empty in a choice of 2 or 4 way sizes for you to achieve your ideal modular setup for a range of purposes. ESR knows the importance of a reliable consumer unit and have delivered a high quality product with a range of features to make managing your unit a fast and simple process. With a stylishly low-profile metal unit construction and a wide modular versatility, these consumer units from ESR are an outstanding unit at the center of your home wiring solution. Main Features: Empty modular consumer unit Left empty to allow for a completely custom configuration IP20 rated Flame-retardant enclosure Free terminals: 2/4 Models in this range: M2 - 2 Way Metal Enclosure (145 x 80 x 62 mm) M4 - 4 Way Metal Enclosure (175 x 110 x 62 mm) Please also see the B curve 2 pole RCBO or 2 Pole RCCB/RCD to