BVU Datasheet, PDF (1/2 Pages) PowerVolt Inc. – Unregulated Open Frame DC Power Supplies

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Unregulated Open Frame DC Power Supplies
Series: BVU
RoHS
● Low cost unregulated DC power supplies
● Field-selectable input taps 103/115/126/207/230/253 VAC for fine-
tuning output to match actual field conditions
● Improved ripple - 3% maximum
● Fuse protected output
● Computer grade capacitors
● Floating output provides versatility for wiring
● Safety Agency Approvals BVU Series:
− UL 1950, third edition, File #E181899.
− CSA, C22.2 No.950, File #E181899.
− CE Marked.
The BVU Series
Specifications
The BVU Series of unregulated DC power supplies is the AC input: 115/230VAC, 50/60Hz nominal.
best low cost alternative, where moderate output variations Field selectable taps for ±10%. High line tolerance on
and AC ripple are acceptable. The field-selectable input taps voltage is +10%
allow fine-tuning the output voltage to match actual field
DC Output: Floating fixed output at full load ratings
conditions. The DC output is fused for short circuit
(see table).Transformer taps provided for approx. 10%
protection. For maximum versatility, the output is floating
output voltage adjustment.
and may be referenced to another low voltage common
Ripple: 3% rms maximum at normal line and full rated
ground or placed in series with other DC power supplies. load.
Operating Temperature: 0-50°C(Derate 2% per °C
Applications
to 70°C)
● DC Motors - Stepping and Servos
Overload and Short Circuit Protection: Fused
● Solenoid values
output It should be noted that the fuse is not necessarily
● Relays
direct in line with the output. In most models the fuse is
● Lamps and Signal Systems
prior to the output capacitor and in case of a short
● Input to 3-terminal on-board regulators
circuit, the capacitor energy will be discharged into the
● Some Floppy Disk Drives
load even if the fuse has opened.
Schematic shows transformer taps provided for approx.
+/- 10% output voltage adjustment. Typical full load
output voltage at 115VAC input using taps 1 and 3. For
10% higher output voltage use taps 1 and 2. For 10%
lower output voltage use taps 1 and 4.