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GE LIGHTING - ENTERTAINMENT LIGHTING CATALOGUE
105
Fusing of Tungsten Halogen Studio and Theatre Lamps
A lamp normally fails at end of life by fusing of the filament. Often an arc then forms and as there is
little resistance to limit the current this rises to a very high value which if maintained can result in a
serious overload on the envelope and seals. This might result in the lamp shattering. A quick acting
high breaking capacity fuse must be connected in the supply line in all applications. Suitable types are
given in BS88 (IEC 269), IEC 127 or IEC 241.
lamp fuse (rated current)
power (amps)
(watts) 100-115V 115-130V 220-250V
500 6 6 4
650 10 6 4
1000 16 (15 UK) 10 6
1500 20 16 (15 UK) 10
2000 25 (30 UK) 25 (20 UK) 10
2500 35 (30 UK) 25 (30 UK) 16 (15 UK)
5000 63 (60 UK) 50 25 (30 UK)
10000 125 100 50
GE S&S 2000 9/03/00 9/3/00 1:32 pm Page 107