2.4 Environmental
Operating temperature:
0°C to +50°C
Storage temperature:
-40°C to +85°C
Humidity:
95% non-condensing at 38°C
Shock:
SAEJ1378, 55g pulse at 9-13ms
Vibration:
5g rms, 5-500 Hz, 2 hrs. per axis
Protection:
IP-54, including fan
2.5 Compliance
2.6 Battery Types
This charger is suitable for use with all 24V, 12 cell, rechargeable lead acid
batteries with capacities of approximately 200Ah.
2.7 Charge Cycle Profile
The Model 1620 charger provides four different charge profiles: IVa (Off Mode,
see Figure 1), I
1
VI
2
a (Equalize Mode after Off Mode, see Figure 2), IV
1
V
2
(Float
Mode, see Figure 3), and I
1
V
1
I
2
V
2
(Equalize Mode after Float Mode, see Figure 4).
For definitions of the variables mentioned in this section, refer to Table 1.
Curtis 1620 Manual
page 2
MODEL ENCODEMENT
TECHNICAL SPECIFICATIONS
2.1 Electrical
2.2 Mechanical
Case:
Aluminum alloy, black finish
End caps:
Polycarbonate, black
Dimensions (mm):
289L x 165.0W x 73.0H
Weight:
2.8kg
2.3 Connections
AC Power Inlet:
IEC 320/C14
Programming Port:
Molex 39-01-2040 For use with Curtis
Instruments' Model 1311 handheld programmer only.
Pin
Function
1 Rx
2
SEC_RTN
3 Tx
4 +12V
Motor Controller Inhibit:
Molex 39-01-4030 Capable of sinking up to 60mA
DC to ground.
Pin
Function
1
See wiring diagram
2 No
connection
3
See wiring diagram
DC Power Output:
2 x M5 studs
Pin
Function
+
B+ output
–
B– output
Curtis 1620 Manual
page 1
1
2
1620uv-www/xx/yy-zzz
1620
u
v
- www /
xx
/
yy
- zzz
Model Cooling Sealing
Input Output Output Series
Voltage
Voltage
Current
Number
F
S
120
24
20
001
Fan
Sealed
120VAC
24VDC
20 Amps Consult Factory
cooled
for
230
additional options
230VAC
Input:
120VAC models
230VAC models
Voltage:
100-132VAC
180-264VAC
Frequency Range:
57-63Hz
47-63Hz
Input Current:
12Arms max. @ 100VAC/60Hz
4.5Arms max. @ 180VAC/50Hz
Output Voltage:
24VDC, nominal
Current:
0-20A
Max. Power:
480W
Radiated Emissions:
FCC Part 15, Class A
EN55011, Class A
Conducted Emissions:
FCC Part 15, Class A
EN55011, Class A
EN50082-1-1997
—
X
ESD:
—
EN61000-4-2:1995
Radiated Immunity:
—
EN61000-4-3:1995 +
A1:1998
Electrical fast transient:
—
EN61000-4-4:1995
Surge Immunity:
—
EN61000-4-5:1995
Conducted Immunity:
—
EN61000-4-6:1996
Power Frequency Magnetic Field:
—
EN61000-4-8:1993
Voltage dips and sags:
—
EN61000-4-11:1995
Harmonics:
—
EN61000-3-2:2000
Voltage fluctuations (flicker)
—
EN61000-3-3:1995
Safety
—
EN60335-1:1995
EN60335-2-29:1997
