User's Manual

TC12 Installation, Commissioning & Maintenance Handbook
3.4.7 Recommended Spares
The TC12 Family Tree part number is 667/DZ/22600/000. This shows the
structure of part numbers within the TC12 system. The top level part number for
the TC12 Freestanding OTU is 667/1/22670/000.
Outstation PCB Fuses FS1 and FS2 are 500mA 250 V
20x5 mm Quick Blow fuse 518/4/90285/004.
5 V Supply Fuse on the OTU Module Assembly:
The 5 V signal from the PSU is fitted with a
5 A 32 V 1.25”Quick Blow fuse 518/4/90286/007
Internal Power Supply Fuse 5 A, 250 V Quick Blow fuse 518/4/90624/009
Lithium battery 418/4/97186/000
Outstation PCB (Note swap IC23, PLD, from old 666/1/02239/001
board to new board when making
replacement)
OTU Power Supply 667/7/22671/000
OTU Input/Output Cable 667/1/22693/000
LMU Spares (if equipped):
Current Transformer 667/7/25171/000
Voltage Monitoring Transformer 667/7/25172/000
Voltage Sensor 667/1/22734/000
LMU cable Ferrite 905/4/10616/000
Optional spares:
Handset terminal 667/4/13296/000
666/HE/43100/000 Page 135 Issue 9