voltage corrector
We are an acclaimed name engaged in offering our precious clients superior quality Manual Voltage Corrector. This voltage corrector is designed in compliance with the set industry standards and manufactured using superior quality component to ensure high performance at users' end. In addition to this, we offer this manual voltage corrector in various technical specifications at affordable prices.
...moreServo Voltage Stabilizer
Servo voltage stabilizers are designed and tested as per IS Standards (IS9815 / IS20026) under high end test lab facilities. These are produced in various capacities and voltage ranges according to the needs of our customers. These are equipped with digital micro processor based technology and designed with heavy duty auto variable , buck boost transformers and solid state components for better efficiency and low maintenance . Maestro servo voltage stabilizers are robust, durable and designed to perform efficiently for many years. CONTROL AND DISPLAY MODULE : It is equipped with an advanced Micro-controller technology and self controllable and programmable design. There are various parameters which can be programmed through push buttons. PROGRAMMABLE LOW/HIGH CUT & TDR : When it comes to defining the levels of protection for Low Voltage and High Voltage, it is very easy and yet powerful to do so by the user himself. Time Delay Relay is programmable from 1 sec . to 180 sec . through push buttons.
...morePOWER SCANNER SYSTEMS
It is a very versatile instrument to be used with three phase power to their advantage. Elegant looking sleek power scanner system has neon lights indicating the following exclusive features: Features:- Healthy Supply High Voltage ‘R’ phase neutral leakage High/ Low Voltage Single Phasing or Voltage Unbalancing Reverse Phase Sequence (R-Y-B)
...morePhase Sequence Correctors
Phase Sequence Corrector
Automatic sequence corrector design to correct whenever phase sequences interchange and maintain the three phase supply in a correct sequence, all the time with 120o degree C between phases.
...moreONLINE UPS T PRO SERIES
Features of T PRO Parallel Operation Parallel features optional depending on customer requirements, Each unit fitted with a bypass static switch. An extra isolated parallel board. Accurate current sharing by using DSP based advanced algorithm. Ring connection Sensing the remove of the parallel cable. Hot swap / Easy power upgrade. Observing the whole system on each unit's LCD Panel. Standing / Stopping the whole system on each unit's front panel. Automatic bypass transfer when external bypass switch used. Synchronization of two separate parallel groups / units. Communication Solutions A wide range of common communication option are available with T PRO UPS that ensure your command and control over the installed UPS system wherever they are located worldwide. SNMP : Network Solution. Dry Contacts (Programmable Relay Unit) Custom Contacts Connection with EPC with RS232 and RS485 ports. Remote Monitoring Panel Modbus. Standard Properties IGBT rectifier / Inverter Technology. Input power factor correction (>0.99). Low input current THDI (< 3%). Dynamically wide input voltage range depends on the load. Intelligent battery management. Adjustable charging current. Temperature compensated battery charging. Automatic and Manual battery test. Accurate battery capacity & remaining time on display Safe battery test by reducing rectifier voltage without switching of rectifier. Compatible with the maintenance free battery Adjustable output frequency : 50 / 60 Hz. Static and manual (maintenance) bypass. 7 Programmable voltage free dry contacts. Compatible with generators. Emergency power off (EPO) / Eco-mode Available. A wide range of communication options. RS232 & RS485 Protocols. MOD-bus connection. SNMP / Web compatible. Overload and short circuit protection. Multi DSP control. 512 event log & operational status record. Ambient temprature, date & time on display. Advanced multi-lingual daul LCD panels. Small footprint & easy maintenance access. Highly reliable regenerative filtering. High crest factor (3:1). Isolation Transformer (Optional). Optional Accessories : Parallel board for parallel operation. Remote monitoring panel SNMP adapter Isolation transformer. External maintenance dy-pass panel. Today's embedded applications demand a unique set of feature, product life cycle and performance. MAESTRO follows new technologies & needs of today's contemporary life T PRO UPS is designed to meet the growing demands of a new generation of leading-edge embedded products. In addition to offering high performance, flexibility and robust functionality T PRO UPS value is mainly based upon : High Technology Low Cost Best Total Customer Experience Advantages Ideal for a wide range of applications with its high technology, high reliability and efficiency and functional structure. IGBT based rectifier and inverter, low THDI, High input power factor (PF>0.99); manufactured from 20 to 300 KVA single modules. T PRO UPS modules can be paralleled.
...moreONLINE UPS MAX PRO SERIES
Instant Blackout Rotection According to study by Bell Labs, under voltage & sudden dips represent the majority of power problem. Wide Input range & Online design of " MAESTRO" UPS prevent data loss caused by outrages & brown outs. Salient Features : Wide Input Window Generator Compatible Compact Grade Power Superior Float Cum Boost Changer IGBT Based Hi-Frequency PWM Inverter OP Distortion < 3% Inverter Efficiency > 92% High Crest factor > 4 : 1 Crystal controlled output frequency 50 Hz ± 0.01% Low noise < 50 db upto 10 KVA Compact, sleek design Backup up to 8 Hrs. Rs. 232 C/SNMP Interface Tested by reputed Agencies MAESTRO UPS are available in following configuration : » Stand Alone True Online UPS. (MX-S)» Dual Redundant Hot Standby type UPS. (MX-HS)» Parallel Redundant Load sharing type UPS. (MX PRS) Computer Grade Line Conditioning with Isolation Superior full time isolation is built into all “Uniline” UPS. Output is fully isolated by double conversion & isolation transformer. No need to have extra isolation transformer as required for Imported Systems.Remote Monitoring & Control through SNMP / Internet also possible at extra cost. (Optional) Network Interface Port Provided the security of an automatic shut down to all major network operating systems including Novells, Window NT/ Window, Unix etc. Linux (optional kit may be required).
...moreONLINE UPS G PRO SERIES
On-line Protection for Computer Servers The G Pro Series is the mighty turbo in the single phase ONLINE family of uninterruptible power supplies by MAESTRO. The G Pro Series provides reliable protection, also high-end applications and is extensively equipped to master all eventualities. G PRO Series: True on-line double conversion technology with integrated Static bypass mechanism. In normal operation, the G Pro Series converts the mains AC voltage into DC voltage which supplies a battery and an inverter with energy. The inverter generates a sine wave AC voltage which is permanently available at the output. If and when power problems strike, the battery delivers the required power to the inverter. The additional Bypass system integrated into the UPS device guarantees an unprecedented level of power supply security. In overload conditions the Bypass system automatically switches mains power directly through to the user. Using module design to improve reliability of the UPS, also simplify service maintenance. G PRO Outstanding features : Pure sine wave output ECO mode to save energy Rotatable LCD display design Optional AS400 relay card 19"rack mount kit available for all models Tower / Rack multi-configuration for flexible installation Microprocessor control guarantees high reliability Adopting high frequency full bridge Topology for high steady performance High input power factor correction Selectable various output range and operating mode Cold start function Inbuilt static bypass enhance better Protection for critical load Built-in dry contact / RS-232 / EPO Communication port SNMP allows for web-based remote or monitoring management (Optional) USB communication port (Optional) Enable to extend runtime with scalable external battery pack Overload, short-circuit, and overheat protection Hot-swappable battery design Compact size with high over all efficiency
...moreMAESTRO AUTOMATIC PHASE SEQUENCE CORRECTOR
This is a panel which performs vital functions related to three phase electrical supply. Maestro Phase sequence corrector is used widely for three phase electrical equipments at places where sometimes the phases (R-Y-B) are interchanged from the electrical panel or the electrical board. Due to this problem many three phase equipments suffer faulty operation. The power scanner in the PSC senses the changing of phases and indicates such failure. Then the contactor comes into working and this device automatically corrects the sequence of the three phases with immediate effect in fraction of a second, hence giving uninterrupted operation of the three phase equipments it has been applied on. These functions are indicated through LED indicators. These heavy duty equipments comes with the wiring terminals so that its application is easy and hassle free. These equipments come in various ratings ranging from 25 Amp. to 800 Amp. Features:- Three Phase Online Ups Three Phase Air Conditioning Plants ( Ductable and Split Units) CNC Machines Critical Medical Equipments Delicate IT Equipments Offset Printing Machines Tele Communication Systems Escalators and Elevators Defense Equipments
...moreIsolation Transformers
There is common problem at some sites that power neutral is missing/weak or not available. At these sites A/C does not starts as voltage does not develop between phase and weak or missing neutral. These three phase Isolation Transformers are designed to get rid of these problems. In the Isolation Transformers a new neutral is generated, which is healthy, perfect and has no connection with the neutral of electricity supply and hence unbalancing does not occur resulting in the A/C compressor and machine working perfectly fine. The Isolation transformer works well with Maestro Servo Voltage Stabilizer.
...moreHT DISTRIBUTION TRANSFORMER WITH O.L.T.C.
Maestro provides a wide range of Oil Filled Distribution Transformers with On Line Tap Changer (OLTC) which are conforming to the IS and international standards of quality and safety. These transformers are designed and developed using latest technologies and can be provided with a variety of terminations so as to suit the requirements for new installation of products. Optimum efficiency can be ensured by delicate proportioning of core and winding loses using CRGO M3 to M5 MOH Lamination and Electrolytic Grade 99.9% pure copper, with Transposition in L.V. coil for current sharing in parallel Conductors, Electric grade mineral oil, press paper and boards. Thus better regulation is achieved resulting in longer life. Careful and precise designing also reduces noise level to the minimum
...moreHT Distribution Transformer
Maestro Make Copper wound, HT AVR suitable for indoor / outdoor installation, copper wound HT AVR system is a revolutionary landmark in the industry when it comes to voltage regulation and stabilization. Even after the installation of standard distribution transformer the problem of low / high voltage on the LT loss of a plant. The standard off - circuit tapping of transformers can correct limited voltage variation and cannot regulate the voltage while in 'on Load' conditions. We have developed state of the art technology HT Automatic voltage regulator that operates on load, sleeplessly & gives stabilized voltage on the HT side. The fluctuating voltage from Grid is initially controlled by the HT AVR and then fed to the transformer resulting in the constant H.T. Output within +/- 1% accuracy and the biggest advantage being its robust design ; Lesser losses & more efficiency make the distribution transformer to utilize up to 100% capacity. LINER TYPE VERTICAL ROLLING CONTACT AUTOMATIC VOLTAGE REGULATOR (AVR) In our regulator we are using heavy section of electrolytic grade rectangular copper strip instead of copper wire to minimize the losses & increase the efficiency of equipment. We are also using self lubricating Carbon Roller Assemblies instead of ordinary Carbon Brushes which offers more reliability and trouble free performance of the equipment. SUPERIOR FEATURES OF MAESTRO LINEAR AUTOMATIC VOLTAGE REGULATOR Temperature Rise : It is designed for 30-35 degree C above ambient. Suitable for any kind of ambient temperature conditions.Core : Core is constructed from Low Loss of CRGO M-4 Grade confirming to latest standards & is fitted & clamped with special built in-house frames to reduce the magnetic noise & to make the structure rigid & robust.Windings : Use paper covered electrolytic grade copper strip for winding. Cooling ducts are provided to keep the hot spot temperature as low as possible.Tanks & Paint : Tanks are made of M.S. Sheets with adequate bracing & stiffeners are given a coat of Epoxy Primer & Epoxy paint for better life. Both light grey & Siemens grey (RAL 7032) are available in colour.Oil : Oil of IS: 335 standard is being used & is filtered before topping. ADVANTAGES OF AVR » Reduction in Breakdown of Electrical Equipments» Reduction in MDI» Energy Saving» Improvement in Power Factor» Uniform Quality of End Product» 80% Depreciation as per Income Tax Act
...moreH.T. DISTRIBUTION TRANSFORMS
Maestro make Sealed/Conventional, Single/Three Phase, 50 Hz aluminium/copper double wound, oil immersed, continuous heavy duty transformers are designed with Class A / Class F insulation to withstand short circuit and impulse test standards. These are robust and durable machines which last for many years. CORE Core used is made from best grade imported cold rolled grain oriented silicon steel laminations with the hi-tech latest technique of annealing. Reduced core losses and magnetizing the current considerably, core is specially designed to sustain over fluxing up to 12.5%. Individual stamping insulated on both side with oil and temperature resistant insulating material. Core is stamped with steel channels rigidly to reduce the sound level and earthed with electrical grade copper sheet. WINDING The winding are of different type 1)Spiral 2)Crossover 3)Helical 4)Disc, designed to withstand the optimum electrical, mechanical, dynamic and thermal stresses depending upon the current and voltage. The coils are wound with electrolytic grade high conductivity, annealed wire and strips covered with high quality insulation. All coils are reinforced, insulated and impregnated with insulating varnish to with stand the effect of short circuits and impulse voltage shocks. Cooling ducts are provided to minimize the hotspot temperature and temperature gradient between winding and oil. INSULATION AND OIL The Insulation material like pre-compressed boards, blocks, corrugated cylinders, Bakelite tubes, insulating tapes, empire sleeves, glass sleeves, varnish, epoxy bushing, porcelain bushing etc. are used of best quality to ensure long life of transformers. Oil used as a coolant and insulating medium is of best quality confirming to IS:335. Before filling in to the transformers, oil is centrifuged, dehydrated and filtered through ’Stream Line Filtration plant’ and tested to ensure free from moisture. TANK AND RADIATORS The Tanks are made from prime quality mild steel sheets, plates and pipes by electrical welding. Proper bracing and stiffeners are provided for robust construction. The tanks are tested as specific pressure for leakage at joints. Sufficient cooling radiators are provided for maximum dissipation of heat during extreme ambient temperatures. The radiators are made from best grade presses steel fins or elliptical tubes. PAINTING Tank surface exposed to atmosphere is galvanized / painted with two coats of red oxide paint to provide maximum resistance to corrosion and two coats of epoxy based anti-corrosion enamel paint. Surface in contact with oil is treated with two coats of ‘Oil and Heat Resistant paint’. This paint has more effective resistance compared to ordinary enamel paint against corrosion and oil/heat reactions. VECTOR GROUP Dyn11, Various vector groups can be provided as per requirement. TEMPERATURE RISE Designed for maximum temperature rise at full rated load 40⁰C / 50⁰C for oil and winding of aluminium wound transformers and 45⁰C / 50⁰C for oil and winding of copper wound transformers. OVERLOADING Maestro Transformers are designed for overloading more than normal rating as per IS:6600 TERMINAL ARRANGEMENT H. V. - Bare Bushings or Cable Box, L. V. - Bare Bushings or Cable Box. Disconnecting chambers can also be provided on both HV and LV Cable boxes.
...moreElectric power stabilizer
Our product range includes a wide range of Servo Voltage Stabilizers, Electric Voltage Stabilizer, Constant Voltage Stabilizers, Voltage Stabilizers, Three Phase Servo Controlled Voltage Stabilizer and Industrial Voltage Stabilizer.We have marked a distinct and dynamic position in the market by providing a high-quality array of Electric Voltage Stabilizer.
...moreDigital Voltage Stabilizer
We are specialist Digital Voltage Stabilizer Manufacturers, suppliers and exporters from Delhi, India. We are offering these in several specifications so as to excellently serve the clients. Our products will perfectly give safety security to your appliances from voltage fluctuations.Our expert professionals use graded components, coils, and other things while manufacturing our products. In addition to this, our team precisely engineers our products using cutting edge technology to ensure accurate reliable operating.Being ISO Certified Company, we also test our products at various stages of development to ensure high functionality.
...moreAutomatic Voltage Stabilizer
Maestro Company has introduced its all new range of Digital Automatic Voltage Stabilizer with micro processor technology. This is designed with the latest German torodial technology with reduced no-load losses to ensure efficient running of the air conditioners and other appliances. Features:- Micro Process Based IC Controlled Digital Display Wall Mounting Easy to Install, Operate, Mainntain and Service Elegant Sleek look. Exclusive optional features (built-in):- Intelligent Timer Hi/Low voltage cut-off (Automatic) Digital load display Overload and short circuit protection Input voltage range: 100/140v/160v Output voltage range: 220 +/- 10%
...moreAuto Voltage Regulator
We are the leading manufacturer of various industrial type Automatic Voltage Regulator, we are engaged in providing a wide quality range of voltage stabilizer, which is widely used with various electrical and electronic applications.
...moreAc Timers
Sleek and very useful instruments for the Air Conditioners. The timer switches the A/C on-off alternatively after a gap of 15 min / 4 hours/ 8 hours (adjustable) hence enhancing the life of the A/C and saving energy. Timers have following types: Type A: for single A/C unit. Type A-B: for double A/C units (Single & Three Phase) Type A-B-C: for multiple A/C units (Single & Three Phase)
...more3 PHASE AUTOMATIC VOLTAGE STABILIZER
Three Phase Automatic Voltage Stabilizer: These stabilizers specially designed for three phase duct able air Conditioners. It bucks or boost the voltage as required and gives the suitable ouput voltage maintaining it with in +/-5% to A/C. This +/-5% of 400V is well within in the range suitable to A/C. Different input ranges available on demand and requirement.
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