Security Classification Unrestricted - Siemens ST950 Handbook

Solar Cell Fuse
5A cartridge fuse to BS1362 marked 'Solar' on the Mains
Distribution card.
Lamp Switch card Fuse
Two 10A Mains fuses per Lamp Switch card (FS1 & FS2) – One
fuse for each 4 phases.
(If used for non UK with fail flashing, one fuse is for all the
greens and the other fuse is for all the reds and ambers.)
CPU Card Handset protection fuse
500mA fuse on CPU Card to protect against short-circuit on 5V
supply on handset socket (F1) and Aux RS232 Modem power
supply output (F2)
TEST Lamp Switch card Fuse
Two 3.15A fuses used for initial testing on a rewired junction for
Self-Test (See section 11).
Security classification Unrestricted
Version 5
Last Editor Neil Atkinson
Document Name ST950 ICM Handbook
Copyright © Siemens Mobility Limited 2018. All Rights Reserved.
Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
516/4/97022/003
518/4/97056/010
518/4/97070/004
518/4/97020/115
Page 125 of 125
Status Issued
Date 18-Dec-2018
Document No. 667/HE/46950/000