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Cosmo Electrical Instruments
location Laxmi Nagar, Delhi

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Our Products

  1. Transformers 9 Products available
  2. Voltage Stabilizer 8 Products available

  3. Distribution Transformer

    2 Products available

  4. Variacs

    1 Products available

  5. Electric Fittings And Components

    1 Products available

  6. Servo Motors

    1 Products available

  7. Testing Equipments

    1 Products available
  8. Others Products 4 Products available

Our Products

Our Complete range of products are Three Phase Automatic Voltage Stabilizer, Digital Servo Voltage Stabilizers, Voltage Stabilizer for Refrigerators and Single Phase Automatic Voltage Stabilizer.

Three Phase Auto Transformer

Three Phase Auto Transformer
We are manufacturer and supplier of Automatic Voltage Regulator. We provide high quality of raw material. These Automatic Voltage Regulators give excellent performance and are durable in nature. These are widely known for their significant features like corrosion resistance, high tensile strength, efficient performance and sturdy construction.
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Single Phase Variac Transformer

Single Phase Variac Transformer
Supported by a team of diligent professionals, we have been able to manufacture & supply Oil Cooled Servo Voltage Stabilizer. To make an equipment work efficiently, our stabilizers provide constant output and tolerance, owing to which these are widely demanded across the national and international markets. To meet the exact demands of customers, we offer these stabilizers in various specifications.
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Three Phase Automatic Voltage Stabilizer

Three Phase Automatic Voltage Stabilizer
  • Output Voltage 3PH+N400VAC RMS Stabilized
  • Output Voltage ±1%
  • Frequency 48-62Hz
  • Input voltage range +25%(280V-460V &280V-500V)
  • Admitted load variation 0 to 100%
  • Admitted load unbalance up to 75% for balance Type & upto 100% in Unbalanced type
  • Correction speed 20V/Sec
  • Waveform distortion 0.002
  • Full load efficiency >98%
  • Cooling Free Convection Cooled (See Model)
  • Ambient temperature 0°C to 50°C
  • Relative humidity 90% (Without condensate)
  • Fittings Voltmeter with commutator to read the input/output voltage
  • Class of Insulation Class E for Air cooled Class 'B' for oil cooled
  • Rating 3KVA TO 1200KVA
Meeting the demands of customers as a manufacturer & supplier, we are engaged in offering Three Phase Automatic Voltage Stabilizer. Used to protect equipment that is effected by fluctuation in the input supply, our offered stabilizers are efficient to make equipment operate properly. Provided protection to equipment from being damaged due to high and low voltage, we offer these stabilizers at industry leading prices.
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Variable Autotransformer

Variable Autotransformer
Engaged as a manufacturer & supplier we are providing our customers with Variable Auto Transformer. Manufactured using single layer winding on a core that is made up of high-grade cold rolled grain oriented steel, these products are developed with perfection. Rugged in construction, these products are provided to our customers in different specifications to suit their demands.
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Automatic Voltage Regulator

Automatic Voltage Regulator
  • Input Voltage 110-280V, 140-280V
  • Output voltage 220-8%
  • Rating 3KVA to 1200KVA
We are manufacturer and supplier of Automatic Voltage Regulator. We provide high quality of raw material. These Automatic Voltage Regulators give excellent performance and are durable in nature. These are widely known for their significant features like corrosion resistance, high tensile strength, efficient performance and sturdy construction.
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Digital Servo Voltage Stabilizers

Digital Servo Voltage Stabilizers
  • Output Voltage 3PH+N400VAC RMS Stabilized
  • Output Voltage ±1%
  • Frequency 48-62Hz
  • Cooling Free Convection Cooled (See Model)
  • Ambient Temperature 0°C to 50°C
  • Input voltage range +25%(280V-460V &280V-500V)
  • Admitted load variation 0 to 100%
  • Admitted load unbalance up to 75% for balance Type & upto 100% in Unbalanced type
  • Correction speed 20V/Sec
  • Waveform distortion 0.002
  • Full load efficiency >98%
  • Relative humidity 90% (Without condensate)
  • Fittings Voltmeter with commutator to read the input/output voltage
  • Class of Insulation Class E for Air cooled Class 'B' for oil cooled
  • Rating 3KVA TO 1200KVA
Being an eminent manufacturer & supplier we are engaged in offering a wide range of Digital Servo Voltage Stabilizers. Highly effective for power and voltage controlling, these stabilizers are manufactured utilizing quality-assured materials that are obtained from the reliable vendors of industry. Prior to dispatch at the customers' premises, these stabilizers are checked properly on various parameters to ensure flawlessness.
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Voltage Stabilizer For Refrigerators

Voltage Stabilizer For Refrigerators
  • Frequency 48-62Hz
  • Input voltage range +25%(280V-460V &280V-500V)
  • Output voltage 3PH+N400VAC RMS Stabilized
  • Output voltage ±1%
  • Admitted load variation 0 to 100%
  • Admitted load unbalance up to 75% for balance Type & upto 100% in Unbalanced type
  • Correction speed 20V/Sec
  • Waveform distortion 0.002
  • Full load efficiency >98%
  • Cooling Free Convection Cooled (See Model)
  • Ambient temperature 0°C to 50°C
  • Relative humidity 90% (Without condensate)
  • Fittings Voltmeter with commutator to read the input/output voltage
  • Class of Insulation Class E for Air cooled Class 'B' for oil cooled
  • Rating 3KVA TO 1200KVA
We are manufacturer and supplier of Voltage Stabilizer for Refrigerators. We provide high quality of raw material. These voltage stabilizers are generally used with refrigerators, televisions, A.C and other such highly advanced electronic equipment.
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Servo Motor

Servo Motor
  • Low speed: 60 rpm 50 Hz
  • Maximum Torque: 3kg to 40kg
Meeting the demands of customers as a manufacturer & supplier, we are engaged in offering Servo Motor. Our offered motors are manufactured with the aid of modern machinery and cutting-edge technology that is installed at our infrastructure facility. Our offered motors are applicable in lamination machine, medical equipment and display system and are offered at competitive prices.
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Motorised Variac

Motorised Variac
  • Pure Copper: 99.9%
  • Spare carbon Brushes: HighUp to 28 Amp
  • Range Rating: 4 Amp. To 1200 Amp
  • Rating: 4 Amp To 1200 Amp
  • Capacity: 4 to 1200 Amp
  • Operating Voltage: 240 Volt Ac in Single
  • Phase system: 415 Volt Ac in Three Phase system
  • Output Voltage (Variable): 0 Volt-270 Volt in Single Phase System
  • System: 0 Volt-to 470 Volt in Three phase
  • Operating Temperature: 0-45 C
  • Load losses: 5 to 7 % at full Load

Ours is an eminent organization, engaged in manufacturing & supplying Motorised Variac. Applicable in auditoriums, conference halls, rectifiers, hotels, testing instruments, welding equipment, battery chargers and laboratories, these transformers are widely appreciated. Without making any sort of compromise with the quality of the products, we have mustered huge client-base across the globe.

Some of the salients features of"COSMO"Autotransformers are.
Continuously Varable output voltage
Silver plated track of carbon brush
High grade carbon brush
Easy replacement of carbon brush
Extremely low magnetising current (about 25 of rated load)
Mechanically rugged design
Almost no maintenance required
Capacities upto 40 amps in air cooled version
conforming to IS:5142-1969

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Single Phase Automatic Voltage Stabilizer

Single Phase Automatic Voltage Stabilizer
  • Output Voltage 3PH+N400VAC RMS Stabilized
  • Output Voltage ±1%
  • Frequency 48-62Hz
  • Correction Speed 20V/Sec
  • Cooling Free Convection Cooled (See Model)
  • Ambient Temperature 0°C to 50°C
  • Input voltage range +25%(280V-460V &280V-500V)
  • Admitted load variation 0 to 100%
  • Admitted load unbalance up to 75% for balance Type & upto 100% in Unbalanced type
  • Waveform distortion 0.002
  • Full load efficiency >98%
  • Relative humidity 90% (Without condensate)
  • Fittings Voltmeter with commutator to read the input/output voltage
  • Class of Insulation Class E for Air cooled Class 'B' for oil cooled
  • Rating 1KVA TO 50KVA
Catering to the demands of customers as a manufacturer & supplier we are engrossed in providing Single Phase Automatic Voltage Stabilizer. These stabilizers are available in different range of inputs and outputs, owing to which these are demanded for various industries, institutions and residences. Control voltage fluctuations and provide the desired constant output voltages, these stabilizers are widely demanded across the global market.
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