Technical data

POWER SUPPLY UNIT NE143-C,
NE143-CWS, NE143-CF, NE143-
CWSF
The NE143 family Unit is a 230V AC and 12V
DC power controller. It provides all the
necessary features for control and protection
for all the electrical functions in a caravan.
The unit provides the following features:
MAINS 230V AC
- Mains Module with Earth Leakage
protection
- Over current protection (RCD)
12 VOLT DC
- Totally automatic charger
- Over current protection
- Short circuit protection
- Over temperature protection
SWITCHED FUSE MODULE
- With battery changeover switch
- Charger on/off switch
- 8 Fused DC output circuits
UNIT DESCRIPTION
The NE143 Unit is designed to operate on a
mains supply of 207-253V AC (for use with
low continental voltages).
The 40 Amp RCD gives protection against
earth faults and also acts as the main
switch. The mains module has three MCB’s
as follows.
For Abbey, Sterling, Swift and some
Bessacarr models
MCB1 - SOCKETS/BLOWN-AIR HEATING
(if fitted)
MCB2 - WATER HEATER/LIGHTS (if fitted)
MCB3 - FRIDGE/CHARGER
Other Bessacarr models equipped with the
NG143-CF
MCB1 - HEATING SYSTEM
MCB2 - SOCKETS
MCB3 - LIGHTS/FRIDGE/CHARGER
CHARGER
The NE143 employs fully automatic 12V DC
to operate with a wide range of mains input
voltages and provides a stable output
voltage even under load. The unit can
provide up to 18 Amp maximum and 16 Amp
continuously.
Electrics
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