RING MAIN UNIT ,11 kv sf6, with three 400 a ring switches & two 200 a tee-off switches breaker type, to type 1 of edd description s-4035l, capable of remote operation, prewired for motorisation (motors 3+2), complete with two efis fitted on two ring switches, cable glands & cable sockets, rmu shall be individually palletised and anchored on an appropriate pallet suitable for forklifting. qty. 10 set.