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Transcript
Hypex Electronics BV
Kattegat 8
9723 JP Groningen, The Netherlands
+31 50 526 4993
[email protected]
www.hypex.nl
Softstart
Transformer softstart with extra features
Features
Transformer inrush current
limiter
Pushbutton control
Low power switch control
Temperature monitoring
Single/dual LED indication
115V/230V operation
Applications
Mono/stereo amplifiers
Weight: 175g
Dimensions: 75mm x 68mm x
35mm
SAFETY Guidelines (read this first)
Since the Softstart is connected directly to the AC mains, most parts like the faston
terminals, the 5W-resistors and the 4-pins terminal block contains hazardous voltages,
except for the 8-pins terminal block and the jumper block. Use an appropriate crimping tool
or solder the wires directly into the provided insulated
nsulated fastons. Use minimal 10mm spacers
between the PCB and the mounting plate and keep a minimum distance of 10mm around
the PCB.
Prevent accidental touching of the PCB (solder side). Make sure the mains is disconnected
when working on the Softstart.
Warning
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS PRODUCT TO RAIN OR MOISTURE.
Description
Transformer inrush current is limited by means of a triac switching heavy-duty resistors in
series with AC mains prior to relay switching. With an optional (bicolour) LED the status
“On” or “Standby” can be indicated. In “Standby” the power-consumption will be less then
1.2W. The Softstart can operate with either a pushbutton or a switch (jumper selectable). If
additional thermal protection is required a PTC-option is selectable. The Softstart can
switch multiple transformers up to a total maximum of 1500VA. Maximum continuous
current must not exceed 6A.
R3
1
Connections
115VAC mains operation
Fig1a
230VAC mains operation
Fig1b
Fig2a
Fig2b
Fig3a
Fig3b
Softstart connection configurations with Hypex transformers.
Fig4a
Default jumper settings. No extra’s needed. Softstart
module will switch on right after the mains power is
applied. The Softstart will switch off after mains power is
switched off.
Two LED’s (connected anti-parallel) indicate the state of
the Sofstart depending on the position of the switch.
Switch closed: Softstart is in standby. LED1 is lit.
Switch opened: Softstart is switched on. LED2 is lit.
This switch can be a low voltage, low current type.
Fig4b
Jumper set to pushbutton/LED indication mode with PTC
temperature monitoring. Depending on the type of PTC
used the Softstart will switch off in case of an
overtemperature.
Under normal conditions PTC monitoring is not necessary
Fig4c
R3
2