32 4445103618
Technical data
MT LB 50 MT LB 60 MT LB 90
Charging output house battery
Charge/buffer/load current, regulated 0 A – 50 A 0 A – 60 A 0 A – 90 A
Reduced charge/buffer/load current, DIP switch
position “OUT LIMIT
0A–45A 0A–50A 0A–75A
Input starting battery
Nominal battery voltage 12 Vg 12 Vg 12 Vg
Recommended battery capacity 60 Ah 60 Ah 100 Ah
Input voltage range (EURO 6 +), D+ controlled 10.5 – 16.5 V 10.5 – 16.5 V 10.5 – 16.5 V
Input over-voltage cutoff (EURO 6 +) > 16.5 V > 16.5 V > 16.5 V
Max. power consumption 700 W 905 W 1350 W
Max. current consumption
• Current consumption active, DIP switch position
“IN LIMIT”
0.1 – 68 A 0.1 – 82 A 0.1 – 125 A
• Current consumption limited, 3 positions of the
DIP switch “IN LIMIT”
49 A, 42 A, 33 A 67 A, 55 A, 43 A 100 A, 82 A, 64 A
Activation-control “D+” input, for D+/ terminal 15 8 – 16 V 8 – 16 V 8 – 16 V
TR terminal, load relay/max. 12 V/1 A 12 V/1 A 12 V/1 A
Lead batteries
•Nominal battery voltage 12Vg 12 Vg 12 Vg
• Recommended battery capacity 75 – 300/ 400 Ah 100 – 400 / 520 Ah 150 – 600/ 800 Ah
• Maximum pre-charge current of a deeply dis-
charged battery (<8 V)
25 A 30 A 45 A
• Minimum battery voltage for start of charging 0 V 0 V 0 V
• Protection charge voltage at battery over-tem-
perature
12.8 V 12.8 V 12.8 V
LiFePO4 batteries
•Nominal battery voltage 12–13.3Vg 12 – 13.3 Vg 12 – 13.3 Vg
• Recommended battery capacity 90 – 300/ 400 Ah 100 – 400/ 520 Ah 150 – 600/ 800 Ah
• Protection charge voltage at battery under-/over-
temperature
12.8 V 12.8 V 12.8 V
Under-voltage cutoff <12V <12V <12V
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