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Monday 9:30am - 6pm Tuesday 9:30am - 6pm Wednesday 9:30am - 6pm Thursday 9:30am - 6pm Friday 9:30am - 6pm Saturday 9:30am - 2:30pm

Opto Marketing Company Pvt Ltd

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India
KOLKATA
Opto Marketing Company Pvt Ltd

We are manufacturing the following products:
1. Servo Controlled Voltage Stabilizers – up to 1000 KVA
2. Automatic / relay type voltage stabilizers
3.

Leading manufacturers of power protection solutions in Eastern India since 1981, offering advanced stabilizers, transformers, UPS systems, thermal products, and industrial batteries⚡ We would like to introduce ourselves as one of ISO 9001:2015 CERTIFIED company, leading manufacturers of Power Protection devices in Eastern India since 1981-1982. CVT (Constant Voltage Transformers)
4. Isolation Transformers
5. V – Connected Transformers

We are also the Enterprise Business Partner for Vertiv Energy Pvt Ltd. (Formerly Emerson Network Power) since the last 20 years for their range of ‘Liebert’ UPS systems, Thermal Products (Precision AC systems, Small Room Cooling etc.), Intelligent Infrastructure for the Data Center (Smart Closet, Smart Rack etc.), Avocent (KVM Switches, PDU’s etc.). We are AQUA partners of M/S. Amara Raja Batteries for supplying and installing their quality SMF , Tubular & Industrial batteries.

– We are the business partners of TSI Power for dealing in their static voltage stabilizers in Eastern India.

15/08/2026

🇮🇳 Celebrating the spirit of freedom, unity, and patriotism!
On this Independence Day, OPTO proudly celebrates the spirit of India and the values that unite us as one nation.
Let’s honour the sacrifices of our freedom fighters and continue working together to build a stronger, brighter, and more prosperous India.
May our tricolour always inspire us to dream bigger, achieve greater, and move forward with pride. ❤️🤍💚

Happy Independence Day! 🇮🇳
Jai Hind!

📞 Toll Free: 1800-123-5499
📧 Email: [email protected]
🌐 Website: www.optoinst.com

Proud to be Indian | Dedicated to Excellence | Committed to You

🇮🇳

16/07/2026

🌼 Happy Rath Yatra from OPTO! 🚩

May the divine blessings of Lord Jagannath bring happiness, prosperity, good health, and stable power to your home and business.

At OPTO, we remain committed to delivering reliable power protection solutions that keep your life and business running smoothly.

📞 Toll Free: 1800 123 5499
📱 WhatsApp: +91 9230964025
🌐 Website: www.optoinst.com
📧 Email: [email protected]

Wishing you and your family a joyful and blessed Rath Yatra! 🙏

26/06/2026

OPTO Voltage Stabilizer Review – In this video, we review the OPTO 4K4 (4 KVA) AC Voltage Stabilizer and the OPTO VDVA 5K4LCT (5 KVA) Mainline Voltage Stabilizer to help you choose the best voltage stabilizer for home, best voltage stabilizer for AC and home appliances, and understand the performance of an automatic voltage stabilizer in real-world use.

If you're planning to protect your air conditioner and household appliances from voltage fluctuations, this detailed automatic voltage stabilizer review will help you make an informed decision.

21/05/2026

Teamwork, dedication, and innovation — all under one roof at IndusTech Expo 2026!

Proud moments with the OPTO Marketing Co. Pvt. Ltd. team as we represented our brand, showcased our solutions, and connected with industry leaders during the expo.

A big thank you to everyone who visited our stall and supported us throughout the event. Together, we continue to power progress and build stronger industry relationships.

📞 Phone: +91 9230964025
📧 Email: [email protected]
🌐 Website: www.optoinst.com

11/05/2026

🚀 𝗬𝗼𝘂’𝗿𝗲 𝗜𝗻𝘃𝗶𝘁𝗲𝗱 𝘁𝗼 𝗜𝗻𝗱𝘂𝘀𝘁𝗲𝗰𝗵 𝗘𝘅𝗽𝗼 𝟮𝟬𝟮𝟲.
We are excited to invite you to visit OPTO Marketing Co. Pvt. Ltd. at the IndusTech – Machine Tools & Automation Expo 2026.

📍 Venue: Biswa Bangla Convention Centre, Newtown – Kolkata
📅 Date: 15th – 18th May 2026
⏱️ Time: 10 AM - 6 PM
📌 Hall: A | Stall: 41

Come explore our range of advanced Power Protection Solutions including:

⚡ UPS Systems
⚡ Precision AC and Smart Closet
⚡ Servo Voltage Stabilizers
⚡ TSI
⚡ Amaron Quanta SMF Battery

Let’s connect, discuss your requirements, and power your business with reliable solutions.

🌐 Visit us: www.optoinst.com
📞 Contact us: 1800-123-5499
📧 Email: [email protected]
🟢 WhatsApp: 092309 64025

05/05/2026

🚀 𝗬𝗼𝘂’𝗿𝗲 𝗜𝗻𝘃𝗶𝘁𝗲𝗱 𝘁𝗼 𝗜𝗻𝗱𝘂𝘀𝘁𝗲𝗰𝗵 𝗘𝘅𝗽𝗼 𝟮𝟬𝟮𝟲.

We are excited to invite you to visit OPTO Marketing Co. Pvt. Ltd. at the IndusTech – Machine Tools & Automation Expo 2026.

📍 Venue: Biswa Bangla Convention Centre, Newtown – Kolkata
📅 Date: 15th – 18th May 2026
📌 Hall: A | Stall: 41

Come explore our range of advanced Power Protection Solutions including:
⚡ UPS Systems
⚡ Precision AC and Smart Closet
⚡ Servo Voltage Stabilizers
⚡ TSI
⚡ Amaron Quanta SMF Battery

Let’s connect, discuss your requirements, and power your business with reliable solutions.

🌐 Visit us: www.optoinst.com
📞 Contact us: 1800-123-5499
📧 Email: [email protected]
🟢 WhatsApp: 092309 64025

15/04/2026

🌸✨ শুভ নববর্ষ! ✨🌸
OPTO Marketing Co. Pvt. Ltd. wishes you a joyful and prosperous Bengali New Year filled with new beginnings, success, and growth. 💼📈

Let’s make this year brighter together! 🌿💛

🌐 www.optoinst.com
📞 1800-123-5499
📧 [email protected]

শুভ নববর্ষ ১৪৩১ 🎉
— Team OPTO Marketing Co. Pvt. Ltd.

14/04/2026

Honoring the architect of equality and justice. 🇮🇳
On this Ambedkar Jayanti, OPTO Marketing Co. Pvt. Ltd. pays tribute to Dr. B.R. Ambedkar, whose vision continues to inspire a stronger, fairer India.

Let’s carry forward his ideals of knowledge, empowerment, and progress in everything we do.

🌐 www.optoinst.com
📞 1800-123-5499

01/04/2026

𝗪𝗲𝗹𝗰𝗼𝗺𝗶𝗻𝗴 𝗮 𝗻𝗲𝘄 𝗳𝗶𝗻𝗮𝗻𝗰𝗶𝗮𝗹 𝘆𝗲𝗮𝗿 𝘄𝗶𝘁𝗵 𝗿𝗲𝗻𝗲𝘄𝗲𝗱 𝗲𝗻𝗲𝗿𝗴𝘆 𝗮𝗻𝗱 𝘀𝘁𝗿𝗼𝗻𝗴𝗲𝗿 𝗰𝗼𝗺𝗺𝗶𝘁𝗺𝗲𝗻𝘁𝘀. 💼⚡
Thank you for your continued support, trust, and valued partnership as we move forward together.

Here’s to building more powerful connections and achieving greater milestones together in the coming year. 🚀

🌐 www.optoinst.com
📞 1800-123-5499
📧 [email protected]

26/03/2026

✨ Wishing you a blessed and joyous Ram Navami ✨

May the divine blessings of Lord Ram bring strength, stability, and success to your life and business. 🌼⚡

At OPTO Marketing Co. Pvt. Ltd., we remain committed to powering your world with reliability and excellence.

🌐 www.optoinst.com
📞 1800-123-5499
📧 [email protected]

Address

Webel Industrial Estate, P-1, Taratolla Road, 1st, Floor
Kolkata
700088

Opening Hours

Monday	9:30am - 6pm
Tuesday	9:30am - 6pm
Wednesday	9:30am - 6pm
Thursday	9:30am - 6pm
Friday	9:30am - 6pm
Saturday	9:30am - 2:30pm

Website

http://optoinst.com/

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