Gridstone Electric Co., Ltd.  

Product Name: Static Digital Automatic Voltage Stabilizer / Voltage Regulator Model NO.: OptiV MAX Brand: Gridstone Size: Small and Large Models Usage: Voltage Stabilization, Voltage Optimization Frequency Characteristics: Power Frequency Phase: Single Phase / Three Phase Current Type: AC Trademark: GridStone Transport Package: Wooden Box Specification: 3kVA to 3200kVA Origin: Shanghai, China Product Description Features 1. Silent design without movingbrushesorrollers, High reliability and low maintenance 2.Much Small size and weight. 3. Digital control, fast response 4. Rich protection functions.. 5. Eficiency upto 99% 6. Independentordependent phase voltageregulation. Changeable throughLCD touchscreen display on site.7. Automatic bypass. Manual bypass (Optional)8. Remote monitoring by RS485 or RS232 or CAN (Optional)Specification NormalInputVoltageSinglephase:220Vor230Vor240V, Threephase:380Vor400Vor415V InputVoltagevariation-20%to+20%(regular.Canbemadeto-45%,+45%) Frequency 50or60HZ NormalOutputVoltageSinglephase:220Vor230Vor240V, Threephase:380Vor400Vor415V Outputvoltagetolerance+/-2%typical(upto+/-1%) Overloadcapability300%1sec,200%2sec,160%1min, Efficiency>97%(typical;modelbelow50kVA);>99%(typical;modelabove50kVA) Protectionvoltagestabilizationbeforepoweroutput;Under/Overvoltage,overload,shortcircuit,phaseloss,auto-bypass,manualbypass(optional),surgearrester(optional),EMIfilter(optional),Phaseloss(optional)CoolingAirconvectionformodelsbelow250kVA;Airforcesfanfor250kVAandaboveOperatingtemperature -10to40ºCHumidity 90%Model Rated Capacity(KVA)Rated Current(A)Dimensions(cm) W x D x HWeight(kg)OVM3-10101535×60×78(With wheels)54OVM3-20203082OVM3-303046112OVM3-50507639×65×90(with wheels)150OVM3-808012146×65×12046×70×120220OVM3-100100152240OVM3-120120182264OVM3-15015022876×66×160350OVM3-180180273387OVM3-200200300410OVM3-225225342425OVM3-250250380110×80×200615OVM3-320320486700OVM3-400400608760OVM3-5005007601010OVM3-6006009121145OVM3-8008001216180×100×2201700OVM3-1000100015202000OVM3-120012001824240×100×2102350OVM3-140014002127240×100×220OVM3-1600160024312700OVM1-3313.522×50×3722×50×3720OVM1-5522.525OVM1-10104531OVM1-10104528×60×4338OVM1-15156845OVM1-20209135×60×64(with wheels)59OVM1-303013781OVM1-5050228Note: the weight and dimensions may be changed without noticeCompany Profile:Founded in 1983, GridStone Electric is a leading manufacturer of automatic voltage stabilizer and transformer. The products currently include digital static voltage stabilizer, digital servo voltage optimizer, power factor correction units, LV and MV transformers and reactors, UPS, Variable Frequency Power Source, Oil Immersed Induction Voltage Regulator. Thanks to over 30 years in the business and on going technical research, GridStone have become a competitive high-tech company, and meet the requirements of a constantly growing number of customers through design, production and service.Besides standard production, GridStone is flexible and strong at custom design and production according to the customers' specification. Expert training and technical support are available to serve the customers quickly and professionally.GridStone factories are ISO9001 and ISO14001 certified.Our History1983, GridStone factory for automatic voltage stabilizer was started, and thfirst servo voltage stabilizer in China was successfully produced.1985. Gridstone factory for transformer was started1998. New office and factory of voltage stabilizer were started in Shanghai,China.2002. The first static voltage stabilizer was released, and massive productionstarted at end of the year.2008. Brand name "Shanghai Voltage Regulator" was started in China.2009. New types digital voltage stabilizers were released. These newproducts are more fast, more reliable and more intelligent.2010. The first frequency and voltage regulator with IGBT is released.2014. New factory for transformer was started.2016. GridStone brand name is started to be used for all voltagestabilizers and transformers to be sold abroad.