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PRODUCT DESCRIPTION
This is a two-cell, high-attenuation, one-phase
filter for frequencies > 0.1 MHz active on common
and differential mode interference. The device is
intended to prevent the propagation of external
radio-frequency interference on the power mains
which could cause faults in the electrical and
electronic devices connected to the mains. Install
a power line protection device 230V 4000VA Ref.
1332/85 upstream to the power filter to ensure
better system operation.
WARNINGS FOR INSTALLERS
Do not install the product in humid environments or
near sources of heat.
Arrange the product on a solid, dry surface,
sheltered from rain and weather, using the fastening
systems provided.
Do not tamper with the device in any way. Keep
the inside dry.
No parts inside can be repaired.
Do not open the product. Call the manufacturer's
authorised service centre if help is needed.
Do not install the product during electrical storms.
Switch off the circuit breaker before connecting the
mains protection.
Do not touch wires without isolation which are not
disconnected upstream.
Keep these instructions at hand.
WIRING DIAGRAM
N
EARTH
L
LINE
DS133-098A
Ref. 1332/85
2
PROTECTION
1
IMPORTANT
The device must be protected by fitting appropriate
restricted earth-fault protection with current flow
equal to 18 A and differential switch with opening
current equal to 30mA.
The power filter device must be connected to earth.
Filter efficacy will be better at lower earth system
resistance. For this reason, the system must comply
with standards CEI 64-8/1 V1 edition 01/2001
booklet 5902. Implement specifications in CEI 64-
8/4 edition 01/1998 booklet 4134 on safety.
INSTALLATION
The device must be fastened on a DIN bar in a
closed electrical panel made of insulating or metallic
material connected to ground system.
Check electrical connections before powering the
circuit.
Locate the phase wire with a power phase finder
connected to terminal "1", IN side.
SPECIFICATIONS
One-phase, two-cell, high-attenuation filter for
common and differential interference f > 0.1Mhz.
On two self-extinguishing DIN modules.
Nominal voltage:
Maximum voltage:
Working frequency:
Attenuation:
Maximum current:
Power:
Temperature range:
Ref. 1332/86
2
FILTER
1
IN
1= PHASE
2= NEUTRAL
230 Vac
255 Vac
50 Hz
60 dB frequency
2 MHz
20 A
4000 VA
-25°C +40°C
2
N
EARTH
1
L
OUT
USER
3
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