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Construction
T.O = open, vacuum varnished
T.V = potted in a housing
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Temperature class
T40/B, on request insulation class F (155°C)
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Protective class
IP00 (for mounting in an appliance)
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Phases
1
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Frequency
48 Hz up to 400 Hz, other frequencies than 50 Hz lead to another power at the same type size
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Safety standards VDE/SEV
open and potted: EN 61558
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Safety standards UL/CSA
on request UL/CSA materials or UL-approval
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Test voltage
EN 61558-1: 2500 V pri - sec
EN 61558-2-1/4: 4000 V pri - sec
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Resistance to short-circuiting
short circuit protected up to 2,4 VA
conditionally short circuit protected with
- PTC
- temperature fuse
- temperature switch
- mini fuse
in other case no resistance to short-circuiting
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Bobbin
DIN 41302, 1 or 2 chamber versions
material: Polyamid 6 gf class B = 130°C with UL approval UL 94 HB
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Insulants
Polyester class B = 130°C with UL approval UL 94 V0
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Copper wire
Polyurethane mod. class F = 155°C with UL approval
min. 0,04 mm, max. flat copper with ca. 500 qmm
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Screening
made of Cu-foil, reduces the max. power
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Transformer core lamination
conform DIN 41302
M530-50A, 0,5 mm thick (1,0 W/kg losses at 1,7 T) or
M111-35N, 0,35 mm thick (1,1 W/kg losses at 1,5 T)
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Terminals
Solder lugs above EI 48
Free wires
Stranded flexible wires
Terminals above EI 60
Flat plugs
Pin plugs above EI 48
Cable lugs
Mounting on a printed circuit board (Print)
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Mounting
Base angle
Distance bolts
Holes in the core
Mounting covers
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Voltage
min. 0,1 V
max. depends on the type size
for EI 78 and vacuum potting: 5000 V
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Tappings
possible
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Current
min. 0 A
max. depends on the type size
fpr EI 150 ca. 500 A
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