PowerTech MP3749 User Manual

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Model: MP3749
Electrical Parameters
System rated voltage 12/24/36/48VDC or Auto
Controller working voltage range 8V~32V
Lead-acid battery type Sealed(default), GEL, FLD, and user-
defined.
Lithium battery type LiFePO4/ Li(NiCoMn)O2/ User
Battery fuse 80A/ 58V
Rated charging current 60A
Rated charging power 750W/12V, 1500W/24V
Max. PV open-circuit voltage 100V (at the lowest temperature) 92V (at
25°C)
MPPT voltage range (Battery voltage +2V) ~72V (at 25°C)
MPPT tracking eciency ≥99.5%
Max. conversion eciency 98.0%
Full load eciency 97.0%
Temperature compensate coecient -3mV/°C/2V(Default)
Self-consumption 98mA/12V; 60mA/24V; 50mA/36V;
46mA/48V
Grounding type Common negative grounding
Dry contact Rated value: 5A/30VDC; Max. value:
0.5A/60VDC
Communication method RS485 (5VDC/200mA, Two RJ45 ports in
parallel)①
LCD backlight time Default: 60S, Range:0~999S (0S: the
backlight is ON all the time)
Mechanical parameters
Dimension 340×232×105.2mm
Mounting dimension 260×220mm
Mounting hole size Ø7
Wire size 2AWG/ 35mm2
Recommended cable 6AWG/ 16mm2
Net Weight 3.5kg
① When connecting the controller to external devices, only one of the
communication ports is used; when connecting multiple controllers in parallel, RS485
ports are for cascaded use.
SPECIFICATIONS:

PowerTech MP3749 Specifications

General

Brand	PowerTech
Model	MP3749
Category	Controller
Language	English