9.0
Fuses and Power Settings
9.1
Fuses
F1 to F3 - Refer to the circuit diagrams.
F1
Internal
Supply
Fuses
Fitted if supply cable fitted.
Fitted on board to some types
of EMC filter.
38 mm x 10 mm type F fitted on
EMC filter circuit board(s)
F2
Auxiliary
Circuit Fuses
Fitted on board to some types
of EMC filter.
May be omitted up to 25 Amp/
phase supply rating.
2 Amps glass type F
On board: 20 mm x 5 mm
Other: 32 mm x 6 mm
F3
Heat Light
Fuses
May be omitted up to 25 Amp/
phase supply rating.
2 Amps glass type F
32 mm x 6 mm
Thyristor Fuse
Ferraz Protistor of the rating
shown
Customer
Fuses
Required if no supply cable
fitted.
Recommended if cable fitted.
See rating label for current;
See table below for fuse rating.
Model
Phases
Volts
Supply
Fuse
Rating
Type
Thyristor
Fuse
Rating
Current
Limit
(Element
Circuit)
BLF 17/3
1-phase 208 V
32 A
NS32
50 A
80 A
BLF 17/3
1-phase 200 V
32 A
NS32
50 A
80 A
BLF 17/3
1-phase 230 V
32 A
NS32
50 A
80 A
BLF 17/3
1-phase 240 V
32 A
NS32
50 A
80 A
BLF 17/3
2-phase 380 V
16 A
NS32
50 A
80 A
9.2
Power Settings
The power limit settings (parameter OP.Hi) for this model are voltage dependant. The
figures represent the maximum percentage of time that controlled power is supplied to
the elements. Do not attempt to “improve performance” by setting a value higher than
the recommended values. To adjust the parameter refer to the "Changing the Maximum
Output Power" of the control section of the manual.
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