Address: 9 El Obour Buildings, Salah Salem St. , Nasr City, Cairo, Cairo, Egypt
Phone: +20-2-2625362
Overload, Over Under Voltage Protection Multimeter
Digital Multimeter with Control relay to protect against one or all of the following problems:1-Overload.2-Over Under voltage.3-Phase rotation error4-phase lossIf one or more of these problems occur, the control relay disconnects the load / contactor to protect it and displays an alarm whether by its alarm LED or on its display.Features:--------------A) DPM PLUS OV / UV:---------------------------------1) Over voltage (OV) threshold can be adjusted by the user from 105% to 120% of nominal voltage (220 VAC) .2) Under voltage (UV) threshold can be adjusted by the user from 95% to 70% of nominal voltage (220 VAC)3) Time of disconnecting the load after detection of OV / UV can be adjusted from 1 to 120 sec. .4) Time of reconnecting the load after detection of normal utility (no OV / UV) , can be adjusted from 1 to 120 sec.B) DPM PLUS OL: The Correct choice for complete motor protection---------------------------The free potential contact receives its signal from an OR circuit to give protection for any motor against any of the following risks:1) Phase rotation error.2) Phase loss of any of the three phases.3) Overload:This substitutes the usage of thermal overload relay to protect your load or motors. The contact is active if the adjustable OL limits are reached (from 20% to 120% of the full scale of the meter) , and continue for a pre-defined time (toff) , programmed from 1 sec. To 120 sec.Example: Using a 500 / 5 current transformer ratio means the overload threshold can be adjusted from 100 amps. To 600 amps. ! !Specifications:1) Power supply: 380 / 220V AC.2) Ammeter: 0-6A3) Voltmeter: 85-280 VAC (phase-neutral) 145-467V AC (phase-phase)4) Frequency meter: 45-65Hz5) Connection type: 3phase6) Power Consumption:7) Current Transformer ration: 25-2, 500 / 5A8) Accuracy: 1% -1 digit [ (10% -100% ) x full scale]9) Display: red LED display10) Box material: nonflammable11) Operation range: -5oC + 50oC12) Protection class: IP 20 (for front panel)13) Standards: IEC 61010-1, IEC61000-6, IEC61000-4, IEC 62052 Class 2, type PR19 (96 x 96mm)14) Cable diameter (for terminal) : 2. 5mm215) Installation: flush-mounting16) Relay: 8A.17) Weight: 0. 4kg
1) Power Rating: 5-30KVA, single phase, 10-120 KVA three phase.2) Control: Microprocessor based servo stabilizer, independent phase control.3) Input Voltage variation: 380VAC (-25% , + 15% ) 285 VAC /
Digital Multimeter with Control relay to protect against one or all of the following problems:1-Over Under voltage.2-Phase rotation error3-phase lossIf one or more of these problems occur, the control
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