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POWER ENGINEERS
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Off Circuit Tap Changer

Off Load Tap changer Switch

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Off Load Tap changer Switch Specification

IP Rating
IP42

Interface
Manual rotary handle

Usage
Distribution and Power Transformer applications

Output
Selected Tap output to Load

Response Time
Instant, manual operation

Display Type
None

Input
Phase/Line from Transformer winding

Components
Rotary switch, insulating base, contact arms

Thermal Conductivity
High, for safe transformer operation

Power Source
Manual

Features
Robust, Simple operation, Reliable contacts, High insulation

Product Type
Off Load Tap Changer Switch

Application
Voltage regulation in Transformers

Rated Voltage
11 kV

Supply Voltage
Up to 12000 V (12 kV)

Size
Medium

Dimension (L*W*H)
280 mm x 220 mm x 160 mm (approx.)

Function
Manual changeover of transformer tap positions to regulate output voltage

Color
Black and Red

Thickness
5 mm (switch body)

Capacity
Up to 1200 Amps

Current Rating
Up to 1200 A

Frequency
50 Hz / 60 Hz

Off Load Tap changer Switch Trade Information

Minimum Order Quantity
50 Pieces

Supply Ability
100 Pieces Per Day

Delivery Time
3 Days

About Off Load Tap changer Switch

Off Load Tapchanger Switch:

Tap changing is one of the most critical operation used in modern transformer for changing the levels of voltages. We are offering best performing Off Load Tapchanger Switch which is readily functional and have high grade electrical features. This is highly durable switch manufactured using highly sophisticated machines. With following specifications Off Load Tapchanger Switch offered by us is available.

* Operating Position 5-11

* Max Step Voltage 1500 volts

* 30 Amp. To 400 Amp.

* 11 Kv to 33 KV

* Signal Ratio & Double Ratio as specified

* Off load Tape changer gear handle for 5-11 position for Power & distribution Transformer.

Manual Voltage Regulation Simplified

This switch empowers operators with straightforward manual control, ensuring voltage stability in both distribution and power transformers. The ergonomic rotary handle allows quick changeover, offering instant response with minimal complexity, making it suitable even for demanding environments. Robust construction provides safety and reliability during repetitive use.

High Performance and Safety Features

Engineered with high-quality materials, the switch features a 5 mm thick insulating body, superior thermal conductivity, and reliable contact mechanisms. With up to 1200 A current rating and IP42 ingress protection, it maintains excellent performance and prevents overheating. Users benefit from high insulation, durable design, and consistent operation over prolonged service.

FAQs of Off Load Tap changer Switch:

Q: How does the Off Load Tap Changer Switch work in transformer voltage regulation?

A: The Off Load Tap Changer Switch manually changes the transformer tap positions, allowing operators to select different winding connections. This regulates the transformers output voltage according to load requirements, providing stable voltage delivery to the connected load.

Q: What is the process for manually operating this tap changer switch?

A: Operation involves using the rotary handle to move the switch to the selected tap position. This instantly redirects the transformers winding output, with the robust construction ensuring secure and reliable switching. No external power source is needed, making the process straightforward and user-friendly.

Q: Where can this switch be used in the field of transformers?

A: Primarily, it is used in distribution and power transformers within substations, industrial plants, and electrical utility grids. It is ideal wherever controlled manual voltage regulation is needed to maintain consistent electrical distribution.

Q: When should the tap position be changed using this switch?

A: Tap changes should be performed when the transformer is de-energized or carrying minimal load, and when voltage adjustments are required to match varying grid or operational requirements. This ensures safe operation and effective voltage stabilization.

Q: What are the main benefits of using this manual tap changer switch?

A: Benefits include reliable manual control for voltage regulation, robust and safe design, high current and voltage handling capacity, and simple, low-maintenance operation. Its high insulation properties and thermal conductivity also contribute to prolonged transformer life and operational safety.

Q: How is the switch constructed for safe and durable use?

A: It features a 5 mm thick insulating body, high-quality contact arms, and a rotary switch mounted securely on an insulating base. With an IP42 rating and strong thermal properties, it provides protection against dust and accidental contact, ensuring safe operation in industrial environments.