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Characteristics
TECHNICAL SHEET

RECTIFIER-LOADER

ZGR MIT

Rectifier- loader

The ZGR MIT range, thanks to its robust design and high performance, ensures high reliability DC power to critical consumers on Smart Grids.

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Characteristics

Given the current requirements of new smart grid developments, the ZGR MIT range represents a major evolution in customisation and innovation over the
conventional ZGR MIT range.
The new single-phase and three-phase ZGR MIT systems allow the user to have high quality DC power at the same time as the highest performance required by Smart Grids.
The wide knowledge of Zigor in this type of solution has allowed to adapt to the fast trend of the market, providing the customer with a differential value in monitoring and configuration of the characteristics of the power solution at both hardware and software level.

TECHNICAL SHEET

7” Multifunction Touch Screen
Possibility of paralleling equipment
Active load-sharing
Battery test
Calibration and parameterisation of the equipment via Ethernet/Display
Management of redundant equipment and dual power systems with single control panel
Automatic switching via internal management
Measurement of battery temperature
Configurable digital inputs
Signaling alarm cards with LEDs in each relay.
Remote sensing of battery parameters (temperature sensor, LVD, electrolyte level, voltage, current....)
Multiple topologies
Soft start
Signalling and control • Local and remote management • Web interface for displaying variables and status, setting parameters and alarms, displaying events historic, sending orders and updating firmware remotely.
Battery management • Charge Ni-Cd, Pb and Li batteries • Limitation of charger and battery current • Loading regimes: » Ni-Cd: floating, automatic fast loading, loading manual, exceptional load » PB: floating, manual loading, periodic loading » Lithium: depending on battery

TECHNICAL SHEET

TECHNICAL SPECIFICATIONS

Model	ZGR MIT 1	ZGR MIT 3

INPUT ELECTRICAL CHARACTERISTICS
Rated voltage (Vac)	120 / 127 / 220 / 230 / 240 / 277 V ± 10 / 15 / 20%	208 / 220 / 380 / 400 / 415 / 480 V ± 10 / 15 / 20%
Power factor	0,7 ~ 0,95 (on request)
Frequency	50 / 60 Hz ± 5 %

OUTPUT ELECTRICAL CHARACTERISTICS
Rated voltage (Vcc)	24 / 48 / 110 / 125 / 220 / 370 V
Ripple voltage with batteries	± 1,5 %
Ripple voltage without batteries	< 2 %
Ripple current in the battery	≤ 5 %
Voltage stability	± 1/2 % (with/without battery)
Dynamic regulation	< 2 % (10 – 90 % load)
Charger Current Limitation	100 % (up to 120 % optional)
Limitation of battery charge current	Configurable
Transfer time	< 300 ms

MONITORING
Control pane	7" Touch Screen and LED indicators
Communications	Websever TCP/IP, Modbus TCP, DNP3, MMS, SNMP, web services

PROTECTIONS
Overvoltage	Yes
Overtemperature	Yes
Current limitation	Yes
Shortness	Yes
High/low input/output voltage	Yes

OTHER
Parallel	Optional (up to 2 units)
Dry contacts	4 (optional up to 12 on 4 cards)
Battery test	Yes, discharge test
Alarms	Yes, configurable, possibility to add external events
Type of protection	IP 20 (on request up to IP54)
Cooling	Naturalor forced convection according to power
Noise level	<60 db depending on model
Working temperature	Indoor not conditioned (4-40ºC)
Altitude	1000 m without power reduction (up to 4500 m on demand)
Relative humidity	0 — 95 % (without condensation)
Vibration	3M1 Class (1 m/s)
Storage	15-25ºC / 30-90% HR

STANDARDS
Marking	CE
General directives	EN 50178 (1998), EN 61000-6-4 (2001), EN 61000-6-2(2001), EN 61000-3-2, EN 61000-3-3, IEC 60146-1-1
Specific directives	EN 60529, EN 50102, EN60255-5

Hybrid, robust and reliable solutions

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