Appendix
Description
16,000A. Rating depends on application but 45A
minimum is recommended up to 24A load
Master Switch Fuse – Standard ST950 Plus
16A HRC cartridge fuse to BS88-3 on Master Switch
panel
Master Switch Fuse – High Load ST950 Plus
30A HRC cartridge fuse to BS88-3 on Master Switch
panel (or 32A HRC cartridge fuse to BS88-3)
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)
Torroid Incoming Fuse 2A
Torroid Out going Fuse 160mA
ST950 Plus+ User Manual
Part Number
518/4/90637/007
+
+
518/4/90637/001
518/4/97070/004
518/4/97093/012
518/4/90285/020
Page 169 of 176
667/HE/53000/000
Issue 2
Unrestricted