DC Power Chargers

4.1
DC Power Chargers
DC CHARGING SYSTEM
Battery types
Our power chargers are configured for both
sealed and flooded lead acid batteries used in
automotive applications. The unit can be
configured for other battery types and
specialised applications.
Charging regime
Approved condition for use (e mark):
On-board road going vehicles
DC power charging provides an optimal
electrical system.
Full boost float temperature compensated
Phase 2 - Boost Charging
charging is offered including remote
The Antares system continues to allow the
voltage to rise thereby allowing the battery to
accept charge at maximum current until the
battery terminal voltage is just below the
‘gassing’ point. At this point the voltage is
immediately reduced to float voltage. This
corresponds to about 85% restored capacity.
vehicles at lower voltages than the chassis
sensing of the batteries voltage and
temperature. The system now
incorporates a built-in priority split charge
facility.
The range includes 36VDC input in
readiness for the new 42V vehicle power
Antares (Europe) Limited
Knaves Beech Business Centre
Davies Way
Loudwater
High Wycombe
Bucks HP109QR UK
www.antares.co.uk
email: [email protected]
tel: +44 (0)1628 535440
fax: +44 (0)1628 535441
Phase 1 - Bulk Charging
When the charger is initially connected to a
discharged battery, current will flow up to the
maximum current rating of the unit. This
phase continues until the voltage reaches the
float voltage.
charging regime for auxiliary systems on
FM 37786
ISO 9002
The DC Power Charger operates two modes
creating four distinct phases. These charging
characteristics are optimised to rapidly
recharge the batteries over a wide
temperature range.
Phase 3 Taper Charging
systems.
During this phase the recharging current
gradually declines to the float current
restoring the battery to 100% capacity.
Key features:
Phase 4 Float Charging
 Compact high power
 Multi-stage charging
 Temperature compensation
 36VDC/42VDC versions
 Remote battery sensing
 Remote display
 Recovers fully discharged batteries
 High reliability
 High degree of system protection
 Rugged aesthetic enclosure
This is the reduced voltage phase in which the
charger provides enough current to overcome
natural discharge and supports any connected
loads.
Installation
The solid integral flanges of the aluminium
side extrusions are pre drilled for ease of
mounting in any orientation.
DC Power Chargers
DC CHARGING SYSTEM
Safety protected
Chassis Voltage
24V
Vehicle
Loads
The system is protected against:





Remote
Display
overload
overheating
Remote Voltage/temperature sense
short circuit
ALT
S/M
battery reversal/removal
DC Power
Charger
over voltage
recovery is automatic.
Environmental
protection
The enclosure is constructed from
corrosion resistant aluminium. The
structural steel top plate is epoxy
coated. Labels use longlife subsurface polycarbonate graphics.
The printed circuit boards are
conformally coated to protect
against high humidity and throughplated to protect against vibration
damage.
Charge sensing
The unit automatically detects if
there is sufficient charging voltage
on the chassis. This wakes it up
12V
Auxiliary
Loads
chassis
ground
from its “sleep mode” allowing it to
charge the battery if required.
Whilst in sleep mode, it is
conserving power, there are no
indicators and the quiescent draw
is negligible.
Options

an area subject to a different
temperature regime, such as on
the chassis.

Remote display
All the panel indicators can be
reproduced at a remote location
Engineering Support
Remote sensing
Temperature and voltage can be
monitored at the battery terminal.
This option should be used to
overcome voltage drops in
extended output cable runs such as
when the charger is used off-board
or where the batteries are sited in
Please call one our applications
engineers if you need any
assistance. We have had a lot of
experience applying these products
and can often suggest alternative
ways to achieve an optimal
solution. As designers and
manufacturers of this equipment
Model
90250
90255
90257*
90258*
Chassis/aux system voltage
24/12VDC
24/12VDC
36/24VDC
36/24VVDC
Current
25A
40A
20A
40A
Power
300W
480W
480W
480W
Weight
1.9kg
2.24kg
2.24kg
2.24kg
Dimensions mm L x W x H
100x223x98
150x223x98
150x223x98
150x223x98
Operating temperature/protection
-10 to 45°C, 0 to 95% RH with derating above 30ºC, IP20
“Sleep mode” consumption
1mA typical
Indicator LED lamps
Green – Unit Active / green – “fast” charging / red - in protection
Connections
1 m flying leads
Cooling
Fan cooled, thermally controlled (except 90250 – convection cooling)
Options
99945 Remote voltage/temp sense,
99948 Remote on/off (ASC disable)
99946 Remote charger display
- input, output, ground,
* Special Order
Due to our policy of continuous product development, specifications are subject to change without notice
PUB122/4