
belfuse.com/power-solutions
BCD20021-G Rev AF, 29 November 2021
Page 10 of 26
X Series
375, 500 Watt AC-DC and DC-DC DIN-Rail Converters
© 2021 Bel Power Solutions & Protection
Table 7a: Output data of 350 Watt battery charger models.
General conditions: T
A
=
25 °C, unless T
A
is specified; R input left open-circuit, unless otherwise specified
Model
LXR1240-6M1
LXR1840-6M1
LXR1740-6M1
Unit
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
V
o safe
Output setting voltage
1
V
i nom
,
I
o nom
24.5
25.68
26.3
36.75
38.52
39.45
49
51.36
52.6
V
V
Bat
Output voltage (max)
controlled by R input
V
i min
–
V
i max
,
I
o
= (0.1 –
1)
I
o nom
29.3
43.95
58.6
V
o L
Overvoltage protection
30.9
32.5
46.35
48.75
61.8
65
P
o nom
Output power nominal
V
i
= 100 V –
V
i max
344
343
343
W
I
o nom
Output current nominal
V
i
= 100 V –
V
i max
12.6
8.4
6.3
A
I
o L
Output current limit
V
i
= 100 V –
V
i max
12.7
15
8.5
10
6.36
7.5
I
op
Output current boost
3
typ. 1 s
18.9
12.6
9.5
v
o
Ripple & noise
V
i
= 230 VAC,
f
i
= 50 Hz,
I
o nom
100
100
100
mV
pp
2
1100
2
1200
2
1200
2
∆
V
o u
Static line regulation
100 V
–
V
i max,
I
o nom
±0.1
±0.15
±0.15
V
∆
V
o I
Static load regulation
(droop)
V
i nom,
I
o
=
(0.1 –
1)
I
o nom
–0.4
–0.6
–0.8
v
od
Dynamic load regulation
Voltage deviation
Recovery time
V
i nom ,
I
o
=
(0.5
↔
1)
I
o nom
±1.2
±1.6
±1.9
40
80
80
ms
α
vo
Temperature coefficient
T
C min
– T
C max
±0.02
±0.02
±0.02
%/K
t
or
Start-up time
V
i
=
0
→
V
i nom,
I
o nom
700
700
700
ms
Table 7b: Output data of 500 Watt battery charger models. General conditions as per table 7a
Model
LXN1240-6M1
LXN1840-6M1
LXN1740-6M1
Unit
Characteristics
Conditions
min
typ
max
min
typ
max
min
typ
max
V
o safe
Output setting voltage
1
V
i nom
,
I
o nom
24.5
25.68
26.3
36.75
38.52
39.45
49
51.36
52.6
V
V
Bat
Output voltage (max)
controlled by R input
V
i min
–
V
i max
,
I
o
= (0.1 –
1)
I
o nom
29.3
43.95
58.6
V
o L
Overvoltage protection
30.9
32.5
46.35
48.75
61.8
65
P
o nom
Output power nominal
V
i
= 100 V –
V
i max
458
458
458
W
I
o nom
Output current nominal
V
i
= 100 V –
V
i max
16.8
11.2
8.4
A
I
o L
Output current limit
V
i
= 100 V –
V
i max
16.9
20
11.3
13.3
8.5
10
I
op
Output current boost
3
typ. 1 s
25.2
16.8
12.6
v
o
Ripple & noise
V
i
= 230 VAC,
f
i
= 50 Hz,
I
o nom
100
100
100
mV
pp
2
1100
2
1200
2
1200
2
∆
V
o u
Static line regulation
100 V
–
V
i max,
I
o nom
±0.1
±0.15
±0.15
V
∆
V
o I
Static load regulation
(droop)
V
i nom,
I
o
=
(0.1 –
1)
I
o nom
–0.4
–0.6
–0.8
v
od
Dynamic load regulation
Voltage deviation
Recovery time
V
i nom ,
I
o
=
(0.5
↔
1)
I
o nom
±1.2
±1.6
±1.9
40
80
80
ms
α
vo
Temperature coefficient
T
C min
– T
C max
±0.02
±0.02
±0.02
%/K
t
or
Start-up time
V
i
=
0
→
V
i nom,
I
o nom
700
700
700
ms
1
Setting voltage with open R-input =
V
o safe
2
Superimposed low frequency ripple at 2 •
f
i
3
Rectangular current limit characteristic (continuous operation)
4
Short-term peak power capability 150% of
P
o nom
for approx. 1 s