Supply of blocking diodes pos no. 123.1 as per clw specn no. clw/es/3/0055, alt-c consisting of (1) diode block 0.3a - 1400 v - dsa1- 14d, abb document no. hbtb58540r003 2 connector socket 14 polig - 6a-24 0v ac, abb document no. hbt 415175p0001 3 contact socket gri-ms58 1.0 mm2, abb document no (EXPIRED)