Siemens ST750 - A.3 - FUSE RATINGS AND POSITIONS

ST750 GENERAL HANDBOOK
667/HB/33750/000 Page 114 Issue 6
ST750 LED 2 Phase Drive PCB
667/1/33790/002
ST750 LED 4 Phase Drive PCB
667/1/33790/004
A.2.2 – FUSES
See Appendix A.3 for details of where these fuses are used
0.5A cartridge fuse
518/4/90285/004
16A HRC cartridge fuse (Pre Nov 2003)
518/4/90352/005
20A MCB SP C Type (Post Nov 2003)
516/4/97076/010
5A HRC cartridge fuse
518/4/90638/000
3.15A fuse
518/4/97020/115
5A HRC cartridge fuse
518/4/97052/017
10A cartridge fuse
518/4/90301/013
5A cartridge fuse
518/4/90301/010
16A HRC cartridge fuse
518/4/97056/012
A.2.3 – CABLES
CPU I/O Softwire kit
667/1/27863/100
Solar and Neutral Softwire kit
667/1/27872/000
Phase Softwire kit 2/4 phases (incl audio drives)
667/1/27877/000
Phase Softwire kit 5/6 phases (incl audio drives)
667/1/27877/050
A.2.4 – OTHER SPARES
Lithium 3V Battery
418/4/39829/000
Isolator Locking KOP
667/1/21923/001
Manual Panel – signs on off only
667/1/27056/010
CET Bar Kit
667/1/27845/000
Door Switch KOP
667/1/27852/000
Detector Mounting Frame
667/1/33770/000
Manual Panel Gasket
667/7/27129/000
Sealant Stool to Case
996/4/22026/100
A.3- FUSE RATINGS AND POSITIONS
Electricity Company Cut-out Fuse
The maximum size of this fuse should not
exceed 45A (without reference to Poole).
Maximum prospective short circuit current must
not exceed 16,000A. Rating depends on
application but 25A min is recommended up to
18A load
Master Switch Panel - MCB
516/4/97076/010
20A MCB SP C Type on the Master Switch Panel
Maintenance Socket Fuse
518/4/90638/000
5A HRC cartridge fuse to BS1361 marked
‘MAIN,T’ on Master Switch Panel.