info@apesengineering.com
+92 42 35307284, +92 339 4003849






In a country where power outages are a daily reality, the importance of a reliable UPS (Uninterruptible Power Supply) system cannot be overstated. Whether you are running a busy corporate office in Lahore, managing a hospital in Karachi, operating a data center in Islamabad, or simply protecting your home computers and appliances from sudden power cuts — a quality UPS system is your first and most critical line of defence against power disruption.
At Active Power Engineering Services Pvt. Ltd. (APES Engineering), we have been delivering professional UPS solutions in Pakistan for over 15 years. From small office setups to large-scale industrial and data center installations, our team of certified engineers designs, supplies, installs, and maintains UPS systems that keep your critical operations running — no matter what happens to the grid.
With offices in Lahore, Islamabad, and Karachi, we are positioned to serve clients across Pakistan with the speed, expertise, and after-sales support that this critical infrastructure demands.
A UPS system is an electrical device that provides emergency power to connected equipment when the main power supply fails or drops below acceptable voltage levels. Unlike a generator — which takes several seconds to start — a UPS switches to battery power instantaneously, ensuring absolutely zero interruption to your equipment and operations.
But a UPS does much more than just provide backup power. A quality UPS system also:
In Pakistan’s challenging power environment — characterized by frequent load shedding, voltage fluctuations, and sudden outages — a UPS system is not optional. It is essential.
Despite significant improvements in recent years, Pakistan continues to face serious power challenges. Load shedding affects both urban and rural areas. Voltage instability is widespread, particularly in industrial zones and older residential neighborhoods. Sudden power surges caused by weather events and grid faults damage thousands of rupees worth of equipment every year.
For businesses, the consequences of unprotected power are severe:
Across Lahore’s busy commercial centres, Karachi’s industrial districts, and Islamabad’s corporate zones, businesses of all sizes are investing in professional UPS solutions to protect their operations — and APES Engineering is the partner they trust.
At APES Engineering, we offer a comprehensive range of UPS systems to suit every application, load size, and budget.
The online double-conversion UPS is the gold standard of power protection — and the preferred choice for data centers, hospitals, telecommunications facilities, and any environment where absolutely zero power interruption is acceptable.
How it works: incoming AC power is continuously converted to DC and then back to AC — meaning connected equipment always runs on clean, regulated UPS power, completely isolated from grid disturbances. There is literally zero transfer time when mains power fails.
Key benefits:
We supply and install online double-conversion UPS systems from leading brands including APC by Schneider Electric, Eaton, Emerson, and Vertiv — covering capacities from 1 kVA for small server rooms to 800 kVA and beyond for large data centers.
The line-interactive UPS is the most popular choice for small to medium businesses, offices, and professional workstations. It offers a smart balance between protection, performance, and cost-effectiveness.
This type of UPS includes an automatic voltage regulator (AVR) that corrects minor voltage fluctuations without switching to battery — extending battery life and providing better protection than a basic offline UPS.
Ideal for:
With transfer times typically under 4 milliseconds, line-interactive UPS systems provide reliable protection for the vast majority of business and professional applications.
The offline UPS — also known as a standby UPS — is the most cost-effective entry-level power protection solution. Under normal conditions, connected equipment runs directly from mains power. When an outage is detected, the UPS switches to battery within milliseconds.
Best suited for:
While offline UPS systems do not provide voltage regulation or noise filtering, they are a practical and affordable solution for environments with relatively stable power and lighter protection requirements.
For growing enterprises and large data centers, a modular UPS system offers unmatched flexibility and scalability. Rather than purchasing a fixed-capacity unit, modular UPS systems allow you to add capacity as your power requirements grow — protecting your initial investment and avoiding costly system replacements.
Key advantages:
Modular UPS systems are particularly popular among telecom companies, banking institutions, and large corporate data centers across Pakistan.
Heavy-duty industrial environments demand heavy-duty power protection. Our industrial UPS systems are designed to withstand the harsh conditions of manufacturing plants, utility facilities, and process control environments — including wide temperature ranges, high humidity, and exposure to dust and vibration.
Industrial UPS applications include:
The runtime of any UPS system depends entirely on its battery bank. Our battery bank design and installation service ensures that your UPS delivers the backup duration your operations require — whether that is 15 minutes to allow an orderly shutdown or several hours of continuous operation during extended outages.
Our battery solutions include:
Proper battery management is critical to UPS reliability. Our team conducts regular battery health checks and provides timely replacement recommendations — ensuring your UPS is always ready when you need it most.
A UPS system is only as reliable as its maintenance. Our UPS maintenance and AMC services ensure that your system is regularly inspected, tested, and serviced — identifying and resolving potential issues before they become critical failures.
Our maintenance services include:
Our AMC packages are designed to give clients complete peace of mind — knowing that their UPS systems are professionally maintained and always ready to perform.
Our UPS solutions are trusted by clients across a wide range of sectors throughout Pakistan:
Requirement Analysis — We assess your critical loads, runtime requirements, and budget to recommend the most suitable UPS solution.
System Design — Our engineers design a complete UPS system — including UPS unit, battery bank, bypass panel, and distribution — tailored to your facility.
Supply of Genuine Equipment — We source UPS systems and batteries from authorized distributors, ensuring full manufacturer warranty coverage.
Professional Installation — Our certified technicians carry out a clean, safe installation with full cable management and proper earthing.
Testing & Commissioning — Every system is load-tested and verified before handover — ensuring complete confidence in system performance.
Staff Training — We train your team on UPS operation, monitoring, and basic maintenance procedures.
Ongoing AMC Support — Our maintenance contracts keep your UPS performing reliably throughout its operational life.
Do not wait for the next power outage to realize the cost of being unprotected. Contact APES Engineering today for a free consultation and let our experts design the right UPS solution for your home, office, or facility.
📍 Head Office: 2nd Floor, 32-Main Ali Town, Raiwind Road, Lahore 📞 Phone: +92 42 35307284 / +92 339 4003849 ✉️ Email: info@apesengineering.com 🌐 Website: www.apesengineering.com
Zero downtime. Zero data loss. Zero compromise — with APES Engineering.
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