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Standard
Made in U.S.A
46 Series CAP
A46F
Engine Starting Battery Charger
“Constavolt”
The La Marche A46F battery charger is specially
designed for maintaining and recharging starting
batteries of engine generator sets. The controlled
magnetic amplifier technology provides the highest
reliability that is necessary for the continued operation
of the emergency standby equipment and eliminates
most starting problems by maintaining batteries at a
proper charge, ensuring optimum performance and
maximum life.
These chargers can also be customized to meet the
American Bureau of Shipping (ABS) and United
States Coast Guard (USCG) standards for applications
such as offshore and on board vessels.
Standard Features
Magnetic Amplifier Circuitry
Filtered for Valve-Regulated Batteries
Automatic DC Voltage Regulation
Automatic AC Input Voltage Compensation +/- 10%
Automatic Surge Suppression
Analog DC Ammeter & DC Voltmeter
DC Current Limiting Circuitry
AC Input and DC Output Fusing
AC Power Failure Relay with (1) set of Form “C” Contacts
Float/Equalize Mode Switching
Charger Design Prevents Battery from Discharging if
AC Line Fails
AC to DC Isolation
UL 1564 Listed and C-UL Listed
5-Year Full Warranty
10-Year Magnetics Warranty
Optional Accessory Package (C.A.P.)
46E LCD C.A.P. System (Meets NFPA 110), Features:
- 2-Line Selectable LCD Display for DC Voltage
- DC Current & Alarms
- Float & Equalize Mode Selection with Indicators
- Multi-Mode Equalize Timer
- Alarm LED Indicator
- Form "C" Contacts for: Summary, AC Power Failure,
Low DC Current, Low DC Voltage 1 & 2, High DC
Voltage and High Voltage Shutdown
Optional Accessories
016
AC Breaker Two Pole
017
DC Breaker Two Pole
ABS & U.S.C.G Accessories with (060) Pilot light
38J
or 060 and 46E. Includes AC/DC Breakers,
Drip Shield, Stuffing Tubes, Conformal Coating
Specifications subject to change without notice
P25-DSA46-1
ECN 23600
08/24
07/20
La Marche Mfg. (A U.S. Company)
106 Bradrock Drive, Des Plaines, IL 60018
Tel: 847.299.1188 Fax: 847.299.3061
sales@lamarchemfg.com
www.lamarchemfg.com
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Model Number
A46F-6-12V
A46F-10-12V
12VDC
6L, 9 or 10NC
A46F-20-12V
A46F-6-24V
A46F-10-24V
A46F-20-24V
24VDC
A46F-30-24V
12L, 19 or 20NC
A46F-40-24V
A46F-6-32V
16L
32VDC
A46F-10-32V
A46F-6-36V
18L
A46F-10-36V
36VDC
DC Output
Amps
6
10
20
6
10
20
30 24V
40 24V
6
10
6
10
Volts
12V
12V
12V
24V
24V
24V
32V
32V
36V
36V
Fuse Size
15A
20A
35A
15A
20A
35A
50A
70A
15A
20A
15A
20A
AC Input Current Draw*
at 100% Load (Amps)
120
A
1.5
2.5
5
3
5
10
15 8.7
21 12
4
6.7
4.5
7.5
208
D
0.9
1.4
2.9
1.7
2.9
5.8
2.3
3.9
2.7
4.2
240
0.8
1.3
2.5
1.5
2.5
7.5
3
3.3
2.4
3.9
Shipping
Case
No.
Overall Dimensions
(W x D x H)
B
7
7
7
7
7
5
2
7
3
3
7
7
7
7
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
15 x 11 x 24”
381 x 279 x 610mm
15 x 11 x 24”
381 x 279 x 610mm
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
14 x 11 x 20”
362 x 270 x 505mm
Weight
(Approximate)
lbs kgs
45 20.4
50 22.7
68 31.0
50 22.8
74 33.7
85 38.7
100 45.3
140 63.5
70 31.9
80 36.4
70 31.9
80 36.4
Note: All above models designed for optimal performance at 60Hz. They will operate at 50Hz with reduced performance. Consult factory for units designed specifically at 50Hz.
Must specify only one battery type and number of cells. Please consult factory for other available cell ranges if desired range not shown.
*AC Current Draws based @ 100% load using standard battery cells of 6L(12V), 12L(24V), 18L(36V) Maximum current Draw is typically 140% of ratings shown.
Optional External Charge Dividers
Model Number
CD40-20/30-12/32-N2
CD40-20/30-12/32-N3
CD40-40/60-12/32-N2
CD40-40/60-12/32-N3
CD40-75/100-12/32-N2
CD40-75/100-12/32-N3
NOTE: Please consult factory when Charge Dividers for A12B, A40/A40F, A41/A41F and A46 units are required.
Number of
Batteries
2
3
2
3
2
3
6-30
6-30
40-60
40-60
75-100
75-100
DC Range
VoltsAmps
12-32
12-32
12-32
12-32
12-32
12-32
Case
No.
05
05
1
1
2
2
Shipping Weight (Approx.)
lbs kgs
10
11
14
15
23
25
4.5
5.0
6.4
6.8
10.4
11.3
Model Number Nomenclature
Environmental:
Operating Temperature:
▪
0 to 50° C (32 to 122° F)
▪
Storage Temperature:
-40 to 85° C (-40 to 185° F)
▪
Relative Humidity:
0 to 95% non-condensing
NEMA 1 enclosure ANSI 61 gray
baked enamel paint
Model Number
DC Amps
DC Volts
Model Number
A46F - Filtered
AC Phase Codes
1 - Single Phase
A46F - 10 - 12V - ( ) ( ) 1 - ( ) - ( )
AC Voltage Codes
A - 120
D - 208
B - 240
Special Frequency Code
5 - 50Hz
* 60Hz standard unless
special code is entered
Factory Assigned
Accessory Code
Battery Cell Range
AC Phase Code
AC Voltage Code
Special Frequency
When Required*
Battery Cell Type Code
12V
-
6L, 9N, 10N
24V
-
12L, 19N, 20N
32V
-
16L
36V
-
18L
L and LR Settings
www.lamarchemfg.com
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