Transformers Dealers in Sunkadakatte, Bangalore

The basic Auto Transformer is meant for operation off a nominal voltage of 240 V A.C & can give output voltage anywhere between 0 – 240 V or up to 270 V, by a simple transformer action. Three such Variable Auto transformer when connected electrically in star & mechanically in tandem, became suitable for operations of 415 V 3 Phase A.C. supply & to give output of 0 – 415 V or up to 470 V.

• Features: durable and corrosion resistant, compact .

• Usage: Suitable for Metering & Relaying application in AC Power Systems.
• Input Voltage: Up to 1.1kV
• Frequency: 50Hz To 400Hz
• Phase: Single Phase & Three Phase
• Accuracy Class: Metering : 0.2, 0.5, 1 Protection : 3P, 6P& 5PR (Residual Protection)
• Service: Indoor
• VT Ratio: 110V/110V, 110V/RT3//110V/RT3, 110V//110V/RT3, 110V/RT3//110V, 415V/110V, 415V/110V/RT3, 415V/RT3//110V/RT3
• Burden: Upto 100VA
• System Earthing: Earthed/ Unearthed
• Ambient Temperature: -50 C To +450 C
• Applicable Standard: IS 3156 Part (1, 2 &3 ) , IEC 61869 Part (1 & 3)
• Thermal Insulation Class: Class A, Class B & Class F
• Type / Encapsulation: Resin Cast & Vacuum Pressure Impregnated (VPI)

• Country of Origin: India
• Type: Three Phase Auto Transformer
• Application: Industrial Use
• Weight: 100kg
• Color: Green
• Condition: New
• Frequency: 50hz
• Automatic Grade: manual
• Certfication: ISO 9001:2008 Certified
• Cooling System: air cooled
• Warrenty: 1yr
• Phase Type: Three Phase, i phase & 3 Phase
• Production Power: 10-25kw
• Brand Name: OPTEK MAKE
• Phase: 1 & 3 pHASE
• Coil Number: 1 & 3 COIL
• Voltage: 440V
• Current: 30 Amps
• Minimum Order Quantity: 1 Piece

• green: grey

We are offering transformer oil filter machine.

We are offering power transformers, control transormers, isolation transformers.

• Color: Yellow, Grey, Green
• Material: Copper, PCV
• Voltage: 0-110 V, 110-220 V, 220-440 V
• Packaging Type: Plastic Bag, Box
• Condition New: New, Used
• Driven Type: Electrical

We are the main supplier of this product.

Types: Transformers, Coils, Chokes for Electrical, Electronic and Telecom Products. Applications : for Using in Various Electronic and Electrical Products.

Electrical Transformers, Control Panels, Servo Stabilizers

ups transformer, CONTROL TRANSFORMERS, Isolation Transformer

A switched-mode power supply (also switching-mode power supply, SMPS, or simply switcher) is an electronic power supply unit that incorporates a switching regulator in order to provide the required output voltage. The switch mode transformer is used in conjunction with the switching regulator to form a switch mode power supply. The design of a switch mode power transformer will differ depending upon the type of circuit used. There are many variations of switching mode power supplies, but they can be narrowed down to three basic circuit configurations (each also has a mirrored configuration); Buck, Boost, and flyback. Be aware that the name for the Buck circuit varies from industry to industry and from person to person. It may also be referred to as an inverter, D.C. converter, forward converter, feed forward, and others. There are also unipolar and bipolar (push-pull) versions.

• Nominal AC Output Voltage Ratings: 480 VAC or 208 VAC, wye derived, 60 hertz.
• Output Impedance: 3-4 % typical.
• Harmonic K-Rating: K-4, K-7, K-13, or K-20 rated in accordance with: K = Σ Ih(pu)2 h2 2.3 Performance Specifications
• Load Regulation: Maintained within +2.5% or less of nominal, from no load to full load.
• Overload: 500% for 10 seconds, and 1,000% for one cycle.
• THD: ≤ 1% added to the output voltage waveform under a linear load.
• Harmonic Attenuation: Load generated triplen harmonics are attenuated at the primary.

We are a reputed firm engaged in offering precision-engineered Three Phase Isolation Transformer. It is a continuous duty rated, 600 volt class, convection cooled, dry type, isolation transformer to support harmonic rich non-linear loads while maintaining safe operating temperatures. This transformer includes superior transverse and common mode noise attenuation. Designed as per NEMA TP 1-2002 dry type transformer efficiency standards, our transformer is acknowledged for high performance and reliability. We provide Three Phase Isolation Transformer in variegated specifications to meet diverse applications.   Standards : The power conditioning system is designed in accordance with applicable portions of the following standards NEMA TP 1-2002 Dry Type Distribution Transformer Efficiency Standards American National Standards Institute (ANSI C57.110 & C62.41-1991) Institute of Electrical and Electronic Engineers (IEEE 519-1992) National Fire Protection Association (NFPA) 70, National Electrical Code (NEC) Federal Information Processing Standards Publication 94 (FIPS Pub 94) UL Listed to Standard 1561 C-UL listed to CSA Standard C22.2, No. 47-M90  Input Specifications : Nominal AC input voltage ratings: 600 VAC, 480 VAC, 240 VAC or 208 VAC, 3 phase for transformers below 225kVA,and 600 VAC or 480 VAC, 3 phase for transformers 225kVA and above. All are designed with sufficient margin tosustain a constant input of +10% without saturation. The nominal operating frequency: 60 hertz + 3 hertz. The power conditioning system’s primary is configured in a three phase delta. Transformers below 500kVA include full capacity taps at 2½ % increments, two (2) above and four (4) below the nominal voltage tap. 500kVA transformers include full capacity taps at 2½ % increments, one (1) above and two (2) below the nominal voltage tap. Energizing inrush current will not exceed 10 times the full load input current for ½ cycle.  Output Specifications : Output Voltage : Sinusoidal with no flat topping when high crest factor (3.0 : 1), non-linear loads are present at the output. Audible Noise Measured at 1 Meter from the Unit : ≤ 50dBA for 15 KVA to 112 KVA ≤ 55dBA for 150 KVA to 225 KVA ≤ 60dBA for 300 KVA to 500 KVA Electrostatic Shielding : Incorporates two, or an optional three, solid copper foil electrostatic shields which minimize inner winding capacitance, transients, and noise coupling between primary and secondary windings. Common Mode Noise Attenuation : 126 dB with two shields, or 146dB with optional three shields. Transverse Mode Noise Attenuation : 3 dB down at 10kHz, decaying 20 dB per decade. Efficiency : 98% typical and meets NEMA TP 1-2002 dry type transformer efficiency standards on models 15kVA and above. The power conditioning transformer is designed to achieve NEMA TP 1-2002 Table 4-2 efficiencies listed below under a K-4, K-7, or K-13 non-linear load at or between 35% to 50% load and at an operating temperature of 75 degrees C. KVA Efficiency : 15* 30 97.00% 97.50% 50 97.70% 75 98.00% 112 98.20% 150 98.30% 225 98.50% 300 98.60% 500 98.70%   *15kVA model efficiency applicable to K4 and K7 loading only.  Optional TVSS : Incorporates a fused (with front panel mounted, blown fuse lamp indicator) 3 phase, secondary connected, 6 mode spike suppression network. The TVSS is comprised of high energy metal oxide varistors with less than a 5 nanosecond response time and a maximum peak current handling capability of 40,000 amps (8x20μsec) per mode. The suppression network system will remain functional when subjected to ANSI/IEEE C62.41 Category B-3 waveforms. The spike suppression network increases the transverse mode noise attenuation to 3 dB down at 10kHz, decaying 40 dB per decade.  Main Transformer : Transformer Windings : All copper conductor construction, with separate primary and secondary, isolated windings. The transformer conforms to NEC article 250, that specifies a separately derived power source. The neutral conductor is sized for 200% of the ampacity of the phase conductor. Terminals are provided for isolated three phase output conductors, neutral conductor and ground. All leads, wires and terminals are labeled to correspond with the circuit wiring diagram. Basic Impulse level : No less than 10,000 Volts. MTBF : ≥ 200,000 hours. Transformer Steel : Grain oriented, M6 grade, silicon steel. Flux Density : ≤ 15k gauss. Core Losses :  ≤ 0.6% of the KVA rating. Insulation : Class N, 200OC with a maximum temperature rise of 115OC above ambient, not exceeding 130OC under nonlinear loading per UL 1561. Cooling : Natural convection.  Cabinet : Enclosure : NEMA type 2 general purpose, floor mounted, and indoor enclosure. Construction : Cabinets are manufactured from 14 gauge steel with base sub-structure suitable for fork lifting.

Our cast resin transformers are known for their sturdiness and undisrupted performance. Being assembled using quality tested components; our transformers have long serviceability life and thus are appreciated by variety of industries. We can offer standard as well as client specific configuration.

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