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Maxchek 400 Maximum Demand Controller

"Maxchek 400 is a smart maximum demand controller withstandard size 96x96 mm specifically designed for industries tokeep a check on their maximum demand. It gives an alarm whendemand approaches a preset value and also switches off nonessentialloads in a pre-programmed logical sequence. Thispredictive maximum demand controller (MDC) allows stage wiseload restoration to maximize the use of a sanctioned load.Maxchek 400 is most suitable for the demand control ofindustrial consumers, HT consumers and commercialestablishments. It also supports ethernet module forcommunication."

Common product for HT3/ HT4/ LT application

ElectricalConnection type Common product for HT3/ HT4/ LT application
Wiring configuration Common product for 3 P-3 W and 3 P-4 W application
Measurement voltage range 57.7 V (100V) - 240 V (415 V) AC 3 phase 4 wire (3 phase 3 wire)
Tolerance -30% to +20% of Vn
Current range Available 1-2A and 5-10 A in single variant (field configurable)
Main frequency 50 Hz with 5%
Accuracy class 0.2s, 0.5s, 1.0
Aux power supply range 80 - 300 V AC/DC or 24 - 60 V DC (Variant)
Burden Aux burden : 3.5 VA; 8VA with module connected Current ckt burden : 1 A - 0.05VA per phase, 5 A - 0.25 VA per phase Voltage ckt burden : 0.15 VA per phase.
Short time over current 20 x I for 1 sec., 10 x I for 3 sec., 7 x I for 10 sec.
Energy Type Active Imp (T), Apparent Imp, Active Forwarded, Apparent Forwarded
Averaging Period 1min or 5min
Trip Circuit 3 Circuit
Alarm Activation Time Active for 30 seconds or active for whole averaging period
Approval Standards IS13779, IS14697, IEC62052-11, IEC62053-23 and IEC62053-22, IEC61010
Mechanical Dimensions (W x H x D) 96 x 96 x 115 mm Cut out size 92 x 92 mm
Mechanical Enclosure PC- FR UL 94 V0
Weight 0.5 kg (approx.)
Terminals Combicon connector
Max conductor size 2.5 mm2
Environmental Temperature -20 C to +60 C (operating) -25 C to +80 C (storage)
Humidity 95% non-condensing
Ingress protection IP 52 (front fascia); IP20 (at terminals)
Insulation 4 kV RMS 50 Hz
Impulse withstand 6 kV
Favourite page On / Off
CT/VT primary Configurable in field through keypad
Communications RS485 Modbus half duplex (Default) and data will be available in floating point format
Baud rate (Modbus) from 1200-38400 bps (Default 9600 bps)
Load Survey 40 days for 6 parameters @ 30 min IP Options for 15 or 60-minute integration period.
Module Control & alarm 1 Alarm (230VAC/DC at 100mA ) and 3 control output (2A at 230VAC, SPST NO type) Ethernet 10/100base-T for Modbus over TCP/IP communication
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