India’s Leading Manufacturer of Industrial & Railway Battery Charger Dischargers
When it comes to industrial battery chargers and railway battery charger discharger systems in India, Mac Power Systems stands in a class of its own. Headquartered in Guwahati, Assam, and backed by 20 years of engineering excellence, Mac Power Systems designs and manufactures high-reliability IGBT-based and Thyristor-based Battery Charger Cum Discharger systems for the most demanding industrial and railway applications across the country.
From the power corridors of Indian Railways to the critical control rooms of ONGC and IndianOil, Mac Power Systems’ battery charger solutions power India’s most vital infrastructure — reliably, safely, and efficiently.
What Is an Industrial Battery Charger Discharger?
An Industrial Battery Charger Discharger is a high-capacity power electronics system that converts three-phase AC mains supply into regulated DC output to charge and maintain large stationary battery banks. It can also discharge batteries in a controlled manner for capacity testing and maintenance cycles.
These systems are mission-critical in:
- Railway traction substations and signalling systems
- Power station DC control systems
- Switchgear protection panels
- Telecommunications infrastructure
- Emergency and safety lighting systems
- Engine starting systems
- Process control and automation plants
In all these environments, a reliable battery charger is not optional — it is the backbone of uninterrupted DC power supply.
Mac Power Systems: 20 Years of Battery Charger Manufacturing Excellence
Founded and operating from Guwahati, Assam, Mac Power Systems has grown into one of India’s foremost manufacturers of industrial-grade battery charger and discharger systems. With two decades of deep domain expertise in power electronics, the company has supplied hundreds of units to government organizations, public sector undertakings, and private enterprises across the length and breadth of India.
Why Mac Power Systems Leads the Market
1. Extensive Product Range Mac Power Systems offers both standard and fully customized battery charger discharger models, covering:
- DC Output Voltage: 110V to 155V DC
- Output Current: 30 Amps to 500 Amps
- Technology: IGBT-based and Thyristor-based configurations
This wide range ensures that whether your application demands a compact 30A charger or a heavy-duty 500A industrial system, Mac Power Systems has a solution ready.
2. Conservative, High-Reliability Design Every Mac Power Systems charger is built on the principle of conservative electrical and thermal design — meaning components are never stressed beyond safe operating limits. This design philosophy translates directly into longer equipment life, reduced maintenance, and superior uptime in the field.
3. Premium Component Quality From copper-wound main transformers to electrolytic copper busbars, every internal component meets the highest standards of quality. The result is a system that performs consistently even in harsh industrial environments.
4. Made in India — Certified for Quality Mac Power Systems products are manufactured under a comprehensive quality management framework, holding certifications including:
- ISO 9001:2015 — Quality Management
- ISO 14001:2015 — Environmental Management
- ISO 45001:2018 — Occupational Health & Safety
- RoHS Compliant
- CE Marked (UQ-1906)
Technical Specifications: Industrial / Railway Battery Charger Discharger
Electrical Specifications
| Parameter | Specification |
|---|---|
| AC Input Voltage | 415V ±10% VAC |
| Input Frequency | 50 Hz ± 5% |
| Phase | 3 Phase, 4 Wire |
| DC Output Voltage | 110V – 155V DC |
| Output Current | 30 Amp – 500 Amp |
| Output Ripple | ≤ 2% at full load |
| Efficiency | ≥ 95% at full load |
| Voltage Regulation | Within 1% for full AC input range and 10–100% load variation |
Transformer & Rectifier
| Component | Details |
|---|---|
| Main Transformer | Copper Wound |
| Insulation Class | B / F |
| Transformer Cooling | Natural Air |
| Rectifier Type | 3 Phase, Full Wave, Full Control |
| Rectifier Elements | IGBT / Thyristor Based |
| Rectifier Cooling | Forced Air Cooled |
Comprehensive Protection & Safety Features
Safety and fail-safe operation are engineered into every Mac Power Systems battery charger. The protection architecture covers every possible fault scenario:
| Protection Feature | Method |
|---|---|
| AC Input Protection | MCB & Contactor |
| DC Output Protection | HRC Fuse |
| Rectifier Protection | Individual Stack Fuses |
| Over Voltage Protection | Output Over Voltage Trip |
| Overload Protection | Output Over Load Trip |
| Thermal Protection | Thyristor Stack Over Temperature Trip |
| Capacitor Protection | Filter Capacitor Fuse |
| Soft Start | Yes |
| Current Limiting | Yes |
Alarm & Fault Indication System
The integrated alarm system provides real-time fault visibility to operators:
| Alarm Type | Indication |
|---|---|
| AC Input Fail | Single Phasing / Phase Unbalance / Phase Reversal |
| Rectifier Fuse Fail | Visual Alarm |
| Output Fault | Over Voltage / Over Load |
| Temperature Alarm | Thyristor Stack Over Temperature |
| Capacitor Fuse Fail | Visual Alarm |
Full Metering & Monitoring
Operators have complete visibility of system health through built-in instrumentation:
- AC Input Voltage Metering
- AC Input Current Metering
- DC Output Voltage Metering
- DC Output Current Metering
Robust Construction Built for Industrial Environments
Mac Power Systems battery chargers are engineered for long-term indoor deployment in demanding industrial settings.
| Item | Specification |
|---|---|
| Wiring | 1.1 kV grade multistrand copper, PVC insulated (IS: 694) |
| Busbars | Electrolytic Copper |
| Enclosure | Sheet Steel, IP-21 Protection |
| Paint Finish | Powder Coated, Siemens Grey (RAL 7032) |
| Dimensions (H × W × D) | 1189 × 1036 × 732 mm (Approx.) |
| Installation Type | Floor Mounting / Indoor |
| Operating Temperature | Up to 50°C |
| Relative Humidity | ≤ 90%, Non-condensing |
Applications: Where Mac Power Systems Battery Chargers Are Deployed
Mac Power Systems battery charger discharger systems are trusted in some of India’s most critical operational environments:
🚂 Railway Applications
Indian Railways demands absolute reliability in its DC power systems for signalling, traction control, and station infrastructure. Mac Power Systems’ 110V–155V DC battery charger systems meet the rigorous requirements of railway substation applications, providing uninterrupted power even during AC supply failures.
⚡ Power Station Control Systems
Generating stations and grid substations rely on battery-backed DC control systems for relay protection, breaker operation, and emergency shutdown functions. A failed battery charger in a power plant is not an inconvenience — it is a safety hazard. Mac Power Systems chargers are designed with this responsibility in mind.
🏭 Process Industries (Oil, Gas & Petrochemicals)
Clients like Indian Oil, ONGC, and Oil India trust Mac Power Systems for battery charger systems that power instrumentation, DCS panels, and emergency systems in continuous-process plants where downtime is measured in crores of rupees per hour.
📡 Telecommunications
Telecom infrastructure requires stable, low-ripple DC power around the clock. Mac Power Systems chargers deliver output ripple of ≤ 2% at full load — well within telecom industry standards.
🔒 Switchgear & Emergency Systems
From switchgear protection relays to emergency lighting and engine starting systems, Mac Power Systems provides the DC backbone that keeps safety-critical systems alive when the grid fails.
Esteemed Clients: A Testament to Trust
Mac Power Systems has earned the trust of India’s most respected organizations across the public and private sectors:
Government & PSUs: Indian Railways · ONGC · IndianOil · Oil India · Coal India · Government of Assam · National Health Mission Assam · NSIC
Banking & Finance: IDBI Bank · Axis Bank · Bank of Baroda · United Bank of India · Sashastra Seema Bal (SSB)
Industry: Topcem Cement · DOEACC
This client portfolio — spanning railways, oil & gas, banking infrastructure, and government institutions — speaks to the universal applicability and proven reliability of Mac Power Systems’ products.
IGBT vs. Thyristor Based Battery Chargers: Which Is Right for You?
Mac Power Systems offers both technology platforms, and the right choice depends on your application:
IGBT (Insulated Gate Bipolar Transistor) Based Chargers offer faster switching, higher efficiency, lower output ripple, and a more compact design. Ideal for applications requiring precise voltage regulation and minimal harmonic distortion.
Thyristor (SCR) Based Chargers are the time-tested workhorse of industrial DC power — rugged, proven, and highly reliable in high-current heavy industrial environments. They are simpler to maintain and cost-effective for large-capacity applications.
Mac Power Systems’ engineering team can help you select the optimal technology for your specific voltage, current, and application requirements.
Why Choose Mac Power Systems Over Other Suppliers?
| Factor | Mac Power Systems |
|---|---|
| Experience | 20+ Years in Industrial & Railway Power Electronics |
| Manufacturing | In-house, Made in India, Guwahati |
| Certifications | ISO 9001, 14001, 45001 · RoHS · CE |
| Technology | IGBT & Thyristor — Both Platforms |
| Customization | Full custom engineering capability |
| Current Range | 30A to 500A in a single product family |
| After-Sales | 7 × 24 × 365 Customer Service Support |
| Proven Clients | Indian Railways, ONGC, IndianOil, Coal India |
Product Range Summary
| Model Type | Voltage Output | Current Range |
|---|---|---|
| Standard Battery Charger/Discharger | 110V – 155V DC | 30A – 500A |
| Customized Models | As per requirement | As per requirement |
| Technology Options | IGBT Based | Thyristor Based |
Contact Mac Power Systems
Head Office & Factory: Satgaon Nowapara Eidgah, Luit Nagar, Juripar Path, P.O. Panjabari, Guwahati – 37, Kamrup (M), Assam, India
📞 Contact Numbers: +91 94350 40536 | +91 98640 21048 | +91 88221 21048 | +91 97060 34744
🌐 Website: www.macpowersystems.in 📧 Email: sales@macpowersystems.in
Customer Support: 7 × 24 × 365
Frequently Asked Questions (FAQs)
Q1. What is the output voltage range of Mac Power Systems battery chargers? Mac Power Systems battery charger dischargers provide a DC output voltage range of 110V to 155V DC, suitable for standard industrial and railway battery bank configurations.
Q2. What is the maximum current output available? The product range covers 30 Amps to 500 Amps, with both standard and customized models available to suit specific load requirements.
Q3. Are the chargers suitable for Indian Railways applications? Yes. Mac Power Systems is a proven supplier to Indian Railways and designs its systems to meet the demanding uptime and reliability requirements of railway substation and signalling applications.
Q4. What protection features are included? The systems include AC input protection (MCB & Contactor), DC output protection (HRC Fuse), over voltage trip, overload trip, thermal protection, soft start, and current limiting — among others.
Q5. What certifications do Mac Power Systems products hold? Products are certified to ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and are RoHS compliant and CE marked.
Q6. Can systems be customized for specific applications? Yes. Mac Power Systems offers full custom engineering for non-standard voltage, current, or enclosure requirements.
Q7. Where is Mac Power Systems located? The head office and manufacturing facility are located in Guwahati, Assam, India — making it a proud Make in India manufacturer.
Mac Power Systems — 20 Years of Powering India’s Most Critical Infrastructure. Industrial · Railway · Reliable · Made in India