Is On Load Tap Changer(OLTC) genuine with official warranty in Bangladesh?

Yes, Industrial 3D Solution is the authorized technology distributor and premier supplier in Bangladesh. This item is 100% brand new, authentic, and supported by official manufacturer warranty and expert local technical service in Dhaka.

What is the delivery timeline across Dhaka and all 64 districts in Bangladesh?

Inside Dhaka, express delivery is completed within 24 to 48 hours. Outside Dhaka, delivery takes 2 to 3 days across all 64 districts with verified courier tracking and secure packaging.

Is Cash on Delivery (COD) and corporate VAT invoice supported for this product in Bangladesh?

Yes, Cash on Delivery is available along with digital payments (bKash, Nagad, Visa, MasterCard). Official Mushak 6.3 VAT tax invoices are provided for corporate, institutional, and tender procurement.

সম্মানিত গ্রাহক, বাজার পরিস্থিতির ওপর ভিত্তি করে আমাদের পণ্যের মূল্য পরিবর্তিত হতে পারে। আপনার নির্বাচিত অর্ডারের সাথে নির্ধারিত ডেলিভারি চার্জ যুক্ত করা হবে। • সম্মানিত গ্রাহক, বাজার পরিস্থিতির ওপর ভিত্তি করে আমাদের পণ্যের মূল্য পরিবর্তিত হতে পারে। আপনার নির্বাচিত অর্ডারের সাথে নির্ধারিত ডেলিভারি চার্জ যুক্ত করা হবে। • সম্মানিত গ্রাহক, বাজার পরিস্থিতির ওপর ভিত্তি করে আমাদের পণ্যের মূল্য পরিবর্তিত হতে পারে। আপনার নির্বাচিত অর্ডারের সাথে নির্ধারিত ডেলিভারি চার্জ যুক্ত করা হবে।

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On Load Tap Changer(OLTC)

Name: On Load Tap Changer(OLTC)
Brand: Industrial 3D Solution
SKU: IDS-PROD-750
Price: 3.14 BDT
Availability: InStock

(0 reviews) SKU: 50 RFQ Available

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Description Technical Specifications Q&A / FAQ reviews (0)

An On Load Tap Changer (OLTC) is an essential voltage control device installed in power and distribution transformers, allowing seamless voltage regulation under load without interrupting the power supply. OLTCs maintain voltage stability in electrical networks by automatically adjusting transformer winding taps while the system is energized, ensuring optimal performance in varying load conditions.

Designed for high reliability and long service life, OLTCs are widely used in substations, grid-connected transformers, industrial power systems, and renewable energy infrastructures. They help reduce voltage fluctuations, improve system efficiency, and enhance the overall reliability of electrical power distribution.

Features:

Live voltage regulation without service interruption
Available in vacuum, resistor-type, or reactor-type switching technology
Suitable for oil-immersed power and grid transformers
High-speed and low-wear switching mechanisms
Microprocessor-based or electromechanical control options
Remote monitoring and diagnostic capability (optional)
Compliant with IEC 60214-1, IS 8468, and international standards

Applications:

Power transmission and distribution transformers
Utility substations and grid transformers
Renewable energy integration (solar, wind)
Industrial power systems and heavy machinery
Load compensation in urban and rural electrification networks

Technical Specifications:

Parameter	Specification
Operation type	On-load (energized tap changing)
Switching method	Resistor, reactor, or vacuum type
Number of tap positions	Typically 9, 11, 17, or as per requirement
Rated current	Up to 1500 A or higher (customizable)
Rated voltage	Up to 245 kV (based on transformer design)
Mounting type	In-tank or flange-mounted
Control system	Motor drive with manual/remote control panel
Cooling compatibility	Oil-immersed (ONAN/ONAF/OFWF systems)
Monitoring options	Tap position indicator, oil temperature, operation counter
Mechanical endurance	Up to 500,000 operations
Standards compliance	IEC 60214-1, IS 8468, ISO 9001

Parameter	Specification
Operation type	On-load (energized tap changing)
Switching method	Resistor, reactor, or vacuum type
Number of tap positions	Typically 9, 11, 17, or as per requirement
Rated current	Up to 1500 A or higher (customizable)
Rated voltage	Up to 245 kV (based on transformer design)
Mounting type	In-tank or flange-mounted
Control system	Motor drive with manual/remote control panel
Cooling compatibility	Oil-immersed (ONAN/ONAF/OFWF systems)
Monitoring options	Tap position indicator, oil temperature, operation counter
Mechanical endurance	Up to 500,000 operations
Standards compliance	IEC 60214-1, IS 8468, ISO 9001

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On Load Tap Changer(OLTC)

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