On-load tap-changing for distribution requirements

OLTC Distribution Transformer

OLTC Distribution Transformer listed at 500KVA - 10 MVA, with On-Load (OLTC) tap changing and 400V / 415V output.

Price Range₹1000000 - 5000000 INR / Unit

Power Rating
500KVA - 10 MVA
Phase
Three Phase
Supply Type
Three Phase
Input Voltage
11kV / 22kV / 33kV
Output Voltage
400V / 415V

Product Overview

The OLTC Distribution Transformer is listed for distribution networks and industrial applications requiring an on-load tap-changing arrangement. The recorded configuration combines Three Phase supply with an On-Load (OLTC) tap changer.

Power Rating is 500KVA – 10 MVA, with 11kV / 22kV / 33kV input and 400V / 415V output. Oil Cooled construction and Dyn11 vector group are listed. The product record does not specify the tap range, so that requirement should be discussed separately.

OLTC Distribution Transformer Manufacturing & Customization

OLTC Distribution Transformers are manufactured by Indian Servo Controls at its in-house Faridabad, Haryana facility. Configuration is discussed around the distribution load and the need for an on-load tap-changing arrangement. Production, assembly and quality checks are handled internally, while buyers can explain the voltage regulation and installation requirements of their project.

In-House OLTC Transformer Assembly

Manufacturing and assembly take place within our own facility. The team reviews the intended distribution application and the requested electrical configuration together, so the buyer's load and on-load arrangement remain part of the production requirement being discussed.

Electrical and OLTC Configuration

The existing range is 500KVA - 10 MVA, with 11kV / 22kV / 33kV input, 400V / 415V output and an On-Load (OLTC) tap changer. Share the required rating and voltage arrangement without assuming an unlisted tap range.

Production Quality Checks

Assembly and workmanship are checked during production. Before dispatch, assembled units undergo in-house electrical and functional checks, and configuration is reviewed against the intended requirement. This describes confirmed quality checking without adding a named test, certification or performance guarantee.

Voltage-Regulation Requirement Support

Explain the load, incoming supply conditions, regulation requirement and intended installation. Customization can be discussed within the product's capabilities using the required electrical and tap-changing details. For replacement enquiries, provide the existing unit's configuration to help clarify what the new installation needs.

In-house manufacturing

See our factory work in progress

Actual workshop footage from Indian Servo Controls, showing production, assembly and quality-focused work for industrial power equipment.

Factory production and assembly operations.
In-house industrial equipment manufacturing.
Assembly and workshop quality checks.

Technical Specifications

Power Rating
500KVA - 10 MVA
Phase
Three Phase
Supply Type
Three Phase
Input Voltage
11kV / 22kV / 33kV
Output Voltage
400V / 415V
Cooling Type
Oil Cooled
Efficiency Level
3 Star / 4 Star
Tap Changer Type
On-Load (OLTC)
Vector Group
Dyn11
Applicable Standard
IS 1180
Application
Distribution Networks / Industrial Applications
Usage
Industrial / Distribution Network
Control System
Automatic/Manual/T Handle
Meter Type
Digital/Analog
Over Volt Protection
Optional
Winding
COPPER
Material
Best Raw Material as Per IS Standards for manufacturing of electrical items
Cooling Type
Oil cooled
Mounting
On Wheels On Floor
Number Of Wheels
4

Key Features

On-load tap changer

Tap Changer Type is listed as On-Load (OLTC).

Distribution rating range

Recorded Power Rating: 500KVA - 10 MVA.

Input supply options

11kV / 22kV / 33kV input voltage is listed.

Output configuration

Recorded output: 400V / 415V.

Three-phase supply

Both Phase and Supply Type are listed as Three Phase.

Cooling and vector group

Oil Cooled construction with Dyn11 vector group is recorded.

Applications

OLTC distribution networks

The listed network application where an on-load arrangement is required.

Industrial distribution installations

Industrial Applications are named in the product record.

Facility supplies requiring OLTC

Match the rating and output configuration to the site's requirement.

Distribution voltage-control projects

Discuss the tap-changing requirement; no tap range is stated.

Existing OLTC unit replacement

Provide the installation's required electrical and tap-changing details.

How to Select the Right OLTC Distribution Transformer

Start OLTC Distribution Transformer selection by defining the distribution load and the on-load tap-changing requirement. The product explicitly lists On-Load (OLTC), with a 500KVA – 10 MVA power-rating range. State the rating your network needs and describe the intended voltage-control role.

Identify the applicable 11kV, 22kV or 33kV input and whether 400V or 415V output is required. These output values differ from the separate Distribution Transformer’s 433V entry. Review the Three Phase supply, Dyn11 vector group and Oil Cooled construction against the installation’s requirements rather than assuming the two listings are interchangeable.

The existing specifications do not state an OLTC tap range. If your project requires a particular range, include it for discussion without treating it as an advertised option. For an existing OLTC replacement, provide the required electrical and tap-changing configuration. Load information and installation context help distinguish the actual requirement from a general transformer enquiry.

Industries & Applications for OLTC Distribution Transformer

  • OLTC distribution networks: explain why an on-load arrangement is required.
  • Industrial distribution installations: define the input supply and distribution load.
  • Facility supplies requiring OLTC: specify the rating and 400V / 415V output requirement.
  • Distribution voltage-control projects: communicate the tap-changing requirement without assuming a range.
  • Existing OLTC replacement: share the required electrical and tap-changing details.

These are contexts in the current application content, not a claim of particular supplied projects.

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Additional Product Information

Include the power rating, incoming voltage option and required 400V / 415V output in your enquiry. Explain the site’s on-load tap-changing requirement and connected distribution load.

Ask about the required tap range explicitly because the existing listing does not define it. Keep this model’s output values distinct from the Distribution Transformer’s listed 433V output.

Why Choose Indian Servo Controls

The OLTC product enquiry lets buyers discuss tap-changing and distribution requirements directly with Indian Servo Controls. Its published rating and voltage data provide a clear starting point, while installation-specific OLTC details can be supplied in the enquiry rather than assumed.

Information to Share With Your Enquiry

Where applicable, include the following OLTC details:

  • Required power rating and connected distribution load.
  • Selected input supply and 400V / 415V output requirement.
  • Three Phase supply and Dyn11 requirement.
  • On-load tap-changing requirement and any project-specified tap range.
  • Cooling and installation or replacement constraints.

The tap range is not stated in the listing. Present it as a requirement for discussion, alongside the form’s quantity, unit and mobile number.

Locations We Serve

Indian Servo Controls handles OLTC Distribution Transformer enquiries for the listed areas with a focus on rating, distribution load and on-load tap-changing requirements. Coverage refers to enquiries and supply needs, not separate local facilities.

OLTC Distribution Transformer in Delhi NCR

Delhi NCR enquiries can identify the required rating and on-load tap-changing arrangement. Share the distribution load and selected output, making the project's voltage-control requirement clear without assuming a tap range.

OLTC Distribution Transformer in Faridabad, Haryana

For Faridabad, Haryana requirements, provide the input supply and required 400V or 415V output. Include the rating and distribution load alongside any project-specific OLTC details for discussion with the team.

OLTC Distribution Transformer in Noida

Requirements from Noida can describe the three-phase network arrangement and on-load requirement. State the input option, rating and output rather than treating the separate Distribution Transformer listing as interchangeable.

OLTC Distribution Transformer in Gurugram

For Gurugram enquiries, explain the facility supply requirement and reason for an OLTC arrangement. Include the connected load, required rating and any specified tap range as a requirement for discussion.

OLTC Distribution Transformer in Ghaziabad

Ghaziabad requirements can focus on the distribution load, selected input and output arrangement. Share the tap-changing requirement explicitly, since the existing specifications do not define a particular tap range.

OLTC Distribution Transformer in Mumbai

Discuss supply requirements from Mumbai with the power rating and on-load operation needs. Include the receiving output arrangement and relevant cooling or installation constraints for the intended distribution project.

OLTC Distribution Transformer in Ahmedabad

Ahmedabad enquiries can identify the input supply, three-phase arrangement and Dyn11 requirement. Add the rating and OLTC needs, keeping this product's output values distinct from the other distribution listing.

OLTC Distribution Transformer in Pune

For existing OLTC replacement requirements from Pune, share the required electrical and tap-changing configuration. Include load and rating information without assuming that the product name establishes installation compatibility.

OLTC Distribution Transformer in Bengaluru

Bengaluru requirements can describe the distribution voltage-control role and selected output. State the required rating and any project-specified tap range, treating the latter as a discussion requirement rather than an advertised value.

OLTC Distribution Transformer in Hyderabad

For Hyderabad enquiries, explain the on-load tap-changing need and connected distribution load. Include the input voltage, output and oil-cooling context so the intended OLTC configuration can be discussed clearly.

Enquire about OLTC Distribution Transformer

Customer Reviews & Ratings

4.9 / 5 Based on 6 customer reviews

Vikram Singhania

5/5

The On-Load Tap Changer mechanism works smoothly and seamlessly adjusts line voltage under full load without interrupting power.

Pradeep Sahu

4.9/5

A game changer for our factory. The automatic voltage regulation keeps our machinery safe from grid voltage swings.

Uday Prakash

5/5

The OLTC responds quickly and accurately. We no longer have to shut down lines just to change taps.

Rohan Mehra

4.8/5

Very robust mechanical response from the tap changer. Oil quality has remained clean and it has cut down equipment downtime.

Vishal Singh

4.7/5

High operational efficiency. It easily maintains the desired 415V output despite heavy input fluctuations.

Gaurav Kapoor

5/5

Exceptional product. The continuous online voltage correction has saved us countless hours of manual intervention.

Frequently Asked Questions

What distinguishes this OLTC model?

The product explicitly lists an On-Load (OLTC) tap changer for distribution networks and industrial applications. This model records 500KVA - 10 MVA power rating and 400V / 415V output. Identify the required rating and tap-changing requirements when discussing your network.

What power rating range is recorded?

The listed range is 500KVA - 10 MVA. Provide the rating required for your load alongside the input supply and output requirement. For this OLTC model, include tap-changing requirements in the selection discussion as well.

Which input voltages are listed?

The recorded options are 11kV / 22kV / 33kV. State which input supply applies to your project when requesting pricing. Include the required rating and 400V / 415V output selection with the same enquiry.

What output voltage is specified?

This model lists 400V / 415V output. Specify which output your network requires rather than assuming the 433V entry from the separate Distribution Transformer listing. Include the input supply and load details when discussing the configuration.

What cooling and vector group are listed?

The record specifies Oil Cooled construction and Dyn11 vector group. These entries belong to this OLTC Distribution Transformer and should be checked against your network requirements. Include the required rating and tap-changing arrangement in your enquiry.

Is the OLTC tap range provided?

No tap range is stated in the existing specifications. Include the required range in your enquiry for discussion. The listed Tap Changer Type is On-Load (OLTC), but that entry alone does not establish a particular tap range.

What should I provide for an OLTC quotation?

Send the power rating, input/output requirement, tap-changing requirement, load details and quantity through Get Latest Price. Include a specified tap range if your project requires one, since it is not provided in the listing. Add your mobile number, or use Request Call Back for a phone discussion.

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Address:

Plot no. 8, Gali Number 8E,
Sarurpur Industrial Area, Sector 53,
Faridabad, Haryana 121004
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