MECCALTE BATTERY CHARGER MAS481012R

MECCALTE BATTERY CHARGER MAS481012R

Product Features:

INPUT SPECIFICATION 

Voltage range, V: 34 - 67V DC 

Input current :2.8A @ 48V DC 

Inrush current 5.0A @ 48V DC 

OUTPUT SPECIFICATION 

Voltage / Current
Other voltages on request :12.0V Nominal 10A 

Ripple and noise :±0.5% 

Line regulation :±0.5%

 Load regulation :±1.0% 

Efficiency :Up to 89% 

Overload protection :Constant current limit 

Over temp. protection :Output shutdown with automatic recovery 

Reversed battery
protection :Automatic protection.
Disabled when in PSU mode. 

ALARMS AND LEVELS 

DC output voltages :Float = Factory set to 13.8V. Boost (Bulk/Absorb) = Float Voltage +4%. 

AC / charger fail :Loss of DC input or DC output voltage control 

Low DC voltage alarm :Float voltage -12% alarm, -8% Reset 

High DC voltage alarm :Float voltage +7% alarm, +5% Reset 

Over voltage protection :16V Instantaneous lockout 

Battery disconnected :Open circuit on DC output (Disabled in PSU mode)

ISOLATION 

Withstand voltage :Input - Output, Input - Earth 1.5kV AC 

Isolation resistance :Input - Output, Input - Earth, Output - Earth
500V DC / 100M Ohms 

ENVIRONMENTAL SPECIFICATION 

Working temperature :-10ºC to +50ºC 

Working humidity :20 - 90% RH 

Storage temperature :-20ºC to +85ºC 

Storage humidity 10 - 95% RH 

Unpacked weight :0.8 kgs

ORDERING INFORMATION 

Model No. : MAS 481012R 

DC output:12V 10A


SmartCharge DC 120-LC hybrid automatic battery chargers provide a cost effective solution to most industrial battery charging requirements. Utilising the latest high efficiency switch-mode technology and microprocessor control, the SmartCharge DC 120-LC is suitable for charging most sealed or flooded batteries and is easily calibrated by the end user to suit the battery type. The multi-stage intelligent charging characteristic ensures accurate and efficient battery charging and is designed for permanent connection to the batteries maintaining them in a fully charged condition without overcharging. The SmartCharge DC 120-LC is fully protected against overload, reverse input polarity, reverse battery connection, over voltage and over temperature.

FEATURES 

• Cost effective 

• Micro-processor control • Small footrint & compact size 

• Din rail mounting • Automatic multi-stage charging 

• Continuously rated 

• Protections: 

- Input polarity

- Short circuit and overload 

- Over voltage 

- Over temperature - Reverse battery 

• Low ripple output • Naturally cooled 

• Simple calibration procedure 

• Comprehensive alarm monitoring 

• Fail alarm contact set 

APPLICATIONS 

• Hybrid power generators 

• Engine driven battery chargers 

• Hybrid assist power systems

• DC lighting towers

FINISH 

Aluminium / RAL9005 black fine texture 

FAIL ALARM RELAY CONTACT SET (OPTIONAL) 

Volt-free form C relay contact set for signalling of a fault alarm condition. 

The relay contacts de-energise 60 seconds after a fault occurs. 

The over voltage protection shutdown alarm de-energises the contacts instantly. 

GENERAL ARRANGEMENT TERMINATION 

DC input and DC output: 

Connections terminate to rising clamp screw terminals and will accept 2.5mm2 stranded cable. 

Fail alarm: 

Connections terminate to rising clamp screw terminals and will accept 2.5mm2 stranded cable. 

Connector ‘C1’ (signals): 

Pins 7 and 8 should be linked when the charger should also function as a PSU. 

NOTE: Reverse battery and battery disconnected alarms are disabled in PSU mode. 

The remaining pins are for expansion modules, communication interfaces, firmware upgrade etc. and should not be used.

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