Heavy-Duty Inverter Solutions
Engineered True Sine Wave Industrial Inverters, Solar Hybrid MPPT Power Plants, and 3-Phase Heavy Inverters (1kVA to 200kVA) featuring built-in galvanic isolation and 300% motor startup surge withstand capacity.
Instant Quotation via WhatsApp
Get load calculations, backup duration sizing, and factory pricing directly on WhatsApp.
Mission-Critical Inverter Systems
Engineered to handle severe inductive motor inrush currents, non-linear computer loads, and harsh factory electrical environments.
Industrial Pure Sine Wave Inverters
Heavy-duty DSP controlled inverters with built-in copper galvanic isolation transformers, delivering pristine pure sine wave power without harmonic buzzing.
- Pure Sine Wave Output (THD < 2%)
- 300% Peak Inrush Surge Capacity for Motors
- Heavy Dual-Core Copper Wound Transformer
Solar Hybrid MPPT Inverters
Smart dual-source inverters integrating high-efficiency MPPT solar charging with grid power sharing to eliminate electricity bills while guaranteeing 100% backup.
- 98.5% MPPT Tracking Efficiency
- Smart Load Sharing: Solar + Grid Simultaneous
- LiFePO4 (Lithium) and Tubular Battery Compatible
3-Phase Industrial Power Inverters
Engineered for full 415V 3-phase industrial loads including lift elevators, cold storage compressors, automated bottling plants, and heavy pump sets.
- Capacities from 10 kVA up to 200 kVA
- 100% Unbalanced Load Capability on All Phases
- Electronic Static Bypass Switch (< 4ms)
Telecom Rack-Mount Inverters
Compact 19-inch rack format converting standard -48V DC telecom battery power into clean 230V AC for transmission equipment and network servers.
- High Power Density 1U / 2U / 3U Enclosures
- Hot-Swappable N+1 Parallel Redundancy
- SNMP & Modbus Remote Network Telemetry
Substation DC-to-AC Static Inverters
Designed for power generation switchyards and high-voltage grid substations operating directly off 110V or 220V DC station battery banks.
- Native 110V DC / 220V DC Input Operation
- Complete DC/AC Galvanic Shielding
- Meets Power Grid & NTPC Technical Specifications
Emergency Lighting Inverters (ELIS)
Certified emergency central lighting and smoke-extraction inverter systems complying with National Building Code (NBC) and life safety standards.
- Guaranteed 90 to 180 Minutes Emergency Run
- Automatic Self-Testing Diagnostic Logging
- High Temperature Fire-Resistant Steel Enclosure
Technical Specifications & Design Ratings
Manufactured in strict conformance with IS 13314, IEC 62040, and IEEE 519 standards.
| Parameter | Single Phase Heavy (1kVA - 15kVA) | 3-Phase Industrial (10kVA - 60kVA) | High Capacity 3-Phase (80kVA - 200kVA) |
|---|---|---|---|
| Output Waveform | Pure Sine Wave (THD < 2% Linear) | Pure Sine Wave (THD < 2% on 415V) | True Sine Wave (THD < 1.8% at Full Load) |
| Nominal DC Battery Voltage | 24V / 48V / 96V / 120V DC | 120V / 180V / 240V / 360V DC | 360V / 384V / 480V DC High Voltage Bus |
| Output Voltage & Frequency | 230V AC ± 1.0% (50Hz ± 0.1Hz) | 415V AC ± 1.0% 3-Phase 4-Wire | 415V AC ± 1.0% 3-Phase 4-Wire |
| Surge Capacity (Inrush) | 300% for 5 Seconds, 150% for 60 Sec | 300% for 10 Seconds (Direct Motor Start) | 250% Sustained Overload (Heavy Industrial) |
| Isolation Transformer | Built-in Copper Isolation Transformer | Full Galvanic Isolation on Inverter Output | Heavy Electrolytic Copper Class H Transformer |
| Transfer Time | < 8 Milliseconds (Computer Compatible) | < 4 Milliseconds Static Transfer Switch | Zero Interrupt Seamless Static Bypass |
| Standard Protections | Battery Deep Discharge, Battery Overcharge, Output Short-Circuit with Fuse, Inverter Overtemperature, Reverse Polarity, Phase Reversal, Lightning Surge MOV. | ||
Built for Demanding Loads
Providing seamless, pure sine wave power continuity across industrial, commercial, and utility installations.
Petrol Pumps & Retail Outlets
Heavy surge handling for multi-dispenser fuel pumps, compressor motors, and billing servers without line resets.
Elevators & Commercial Lifts
3-phase inverters capable of carrying high locked-rotor motor startup currents with smooth regenerative braking safety.
Telecom BTS & Micro-Waves
-48V DC rack-mount inverters powering tower optic links, microwave dishes, and edge cloud servers with zero fan noise.
Process Automation & CNC
Pristine pure sine wave power preventing sensor calibration shifts, PLC resets, and delicate drive board failure.
Consumer Inverters vs. Northern EPES Industrial Heavy-Duty
Why commercial plants choose Northern EPES industrial inverters over cheap consumer-grade inverters.
| Technical Parameter | Consumer Market Inverters | Northern EPES Industrial Grade |
|---|---|---|
| Isolation Transformer | ❌ Transformerless or cheap high-frequency ferrite core | ✅ Heavy Double-Wound 99.9% Electrolytic Copper Transformer |
| Motor Inrush Surge Capacity | ❌ Trips or blows MOSFETs at 120% load | ✅ Sustained 300% Inrush Surge Capacity for Inductive Motors |
| Waveform Purity | ❌ Square or Modified Sine Wave (causes motor heating & hum) | ✅ True Pure Sine Wave (THD < 2%) with DSP Vector Control |
| Battery Charging Logic | ❌ Basic single-stage charger (dries up battery acid) | ✅ 4-Stage Intelligent Microprocessor Charging (Extends Life by 40%) |
| Duty Cycle & Design Life | ❌ Light consumer use, burns out under continuous duty | ✅ 100% Continuous 24x7x365 Heavy Industrial Duty Cycle (15+ Yr Life) |
Frequently Asked Questions
Answers to common engineering questions regarding inverter sizing, surge capacity, and solar integration.
Need Custom Sized Industrial Inverter Solutions?
Contact our application engineers for load calculations, single-line diagrams (SLD), backup battery calculations, and immediate factory-direct quotes.