3B Scientific Mains Coil with Connecting Lead (115 V, 50__60 Hz) - Manual (Page 4)

Elwe Didactic GmbH • Steinfelsstr. 6 • 08248 Klingenthal • Germany • www.elwedidactic.com
3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany • www.3bscientific.com
Subject to technical amendments
© Copyright 2007 3B Scientific GmbH
Coil D U8497430 600 200/600
Coil D U8497440 1200 400/1200
Coil D U8497450 6000 2000/6000
Fusion ring U8497310 1
High cur-
rent coil
with 5
turns
Coil for
spot
welding
U8497320 5
High cur-
rent coil
for nail
fusing
experiment
U8497406 6
High volt-
age coil
including 2
horn
shaped
electrodes
U8497460 24000
3. Technical data
U8497420-115 U8497420-230
Winding
turns
300 600
Resistance 0.75
Ω 3 Ω
Inductance 7.5 mH 15 mH
Max. cur-
rent for
long-term
use
4.4 A 2.2 A
Dimensions 120x90x70 mm 3 120x90x70 mm 3
Opening for
iron core
42 x 42 mm 2 42 x 42 mm 2
Weight 0.9 kg approx. 1.2 kg approx.
4. Replacing the fuse
• Disconnect the coil from the mains.
• Turn the fuse holder a quarter turn to the left.
• Pull out the fuse holder.
• Remove the blown fuse from the holder and
replace it with a new one.
5. Example experiments
Fig.1 Step-up transformer
Fig. 2 Thomson’s ring experiment
Fig. 3 Spark discharge along hornshaped electrodes