Export & OEM Desk: +91 9765557595 [email protected] Manufactured in Nagpur, India

OEM/ODM Solar Inverter Factory & Suppliers

Custom Industrial Solar Inverters, MPPT Systems, SMPS & Power Electronics Manufacturing | 30+ Years of Engineering Excellence & Turnkey OEM Solutions

Industrial Power & Inverter OEM Product Catalog

Explore our certified range of switching power supplies, industrial DC converters, inverter modules, and battery chargers.

NDR-480-24 Industrial DIN Rail Power Supply

NDR-480-24 Industrial DIN Rail Power Supply 24V 20A 480W

  • Input: 90-264VAC Wide Range
  • Efficiency: 92.5% | DIN Rail TS-35
  • Short Circuit & OVP Protection
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4P 100A Dual Channel DC Switching Power Supply

Industrial 4P 100A Dual Channel DC Switching Power Supply

  • High Amperage Dual-Channel Output
  • Rugged Chassis & Active Cooling
  • Designed for Automation & Solar Racks
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1000W High Power Adjustable AC-DC Converter Module

1000W High-Power Adjustable AC to DC Converter Module (12V-220V)

  • Wide Voltage Range: 12V to 220V DC
  • Precision Potentiometer Control
  • OEM/ODM Customizable Firmware
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120W Aluminum Enclosure SMPS

OEM 120W Aluminum Enclosure SMPS 12V 10A UL508 CE Certified

  • UL508, CE & FCC Compliant Design
  • Extruded Aluminum Passive Dissipation
  • Input Voltage: 90-264VAC
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600W-5000W Off-Grid DC to AC Pure Sine Wave Solar Inverter

600W - 5000W Off-Grid DC to AC Pure Sine Wave Solar Inverter Series

  • Pure Sine Wave < 3% THD Output
  • 12V/24V/48V DC to 110V/230V AC
  • Peak Surge Capacity: 200% Rating
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30mm Slim 75W Switching Power Supply

30mm Ultra-Slim 75W Industrial Power Supply 100-240VAC to 12VDC

  • Compact 30mm Profile Enclosure
  • CCTV, Security & Solar Monitoring
  • High MTBF & Low No-Load Consumption
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LRS-200-24 Enclosed Switching Power Supply

LRS-200-24 Low Profile 200W 24V Enclosed Switching Power Supply

  • 300VAC Surge Input Tolerant
  • Vibration Proof (5G Operational)
  • Over Temperature & Load Protection
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High Efficiency LED Driver & Constant Voltage Power Supply

High-Efficiency Outdoor LED Driver & Constant Voltage Power Unit

  • IP67 Weatherproof Waterproof Enclosure
  • High Power Factor (PFC > 0.95)
  • Designed for Solar Lighting Systems
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30+
Years Manufacturing Legacy
1,000+
OEM & Custom Power Models
100%
Full-Load Burn-In Tested
50+
Global OEM Sourcing Partners

Executive Sourcing Whitepaper: Engineering Criteria for OEM/ODM Solar Inverter & Power Electronics Procurement

In today's rapidly changing clean energy sector, choosing an established OEM/ODM Solar Inverter Factory & Supplier is a key decision for commercial EPC contractors, industrial automation integrators, and regional power solution distributors. As renewable energy grids demand higher operational resilience, wider DC input range stability, and seamless integration with energy storage systems (ESS), standard off-the-shelf power equipment often struggles with tough field conditions. OEM and ODM manufacturing partnerships give brands the flexibility to customize voltage regulation, MPPT performance, enclosure ratings, and communication protocols for specific regional requirements.

Information Gain Metric: High-efficiency solar power conversion systems rely on low Total Harmonic Distortion (THD < 3%), optimized thermal management, and robust transient surge suppression. Partnering directly with an experienced power electronics factory like Sanstar Microsystems (Micro Power) helps prevent early field failures caused by harsh grid conditions, high ambient temperatures, and unpredictable load spikes.

Since 1994, Sanstar Microsystems Pvt. Ltd. (operating globally under the Micro Power brand) has led the design, testing, and volume production of industrial power conversion equipment. Operating from our advanced manufacturing plant in Nagpur, India, our production lines specialize in high-reliability switch mode power supplies (SMPS), DIN rail power units, isolated DC-DC converters, DC UPS modules, industrial battery chargers, and off-grid solar inverters. By using an ERP-managed supply chain, anti-static production lines, and complete in-house magnetics engineering, we help international brands scale their power hardware portfolios with total confidence.

Core Engineering Strengths of Our OEM/ODM Manufacturing Facility

Custom power electronic design requires deep domain expertise in power topologies, thermal physics, magnetic transformer design, and strict EMI/EMC compliance. Our manufacturing infrastructure provides substantial technical advantages for B2B buyers looking for high-gain product differentiation:

In-House Magnetics & R&D

Custom transformer coil winding, planar inductor engineering, and PCB layout optimization designed specifically for wide input DC ranges (90V–290V AC / 12V–400V DC).

100% Full-Load Burn-In Testing

Every solar inverter chassis, SMPS board, and battery charger undergoes automated burn-in testing under elevated thermal stress to eliminate early component failures before shipping.

Global Standard Certifications

Complete compliance capabilities including BIS (IS 13252), CE EMC/LVD, UL508, FCC Part 15, and ISO 9001:2015 certified quality management systems.

Active & Passive Thermal Designs

Enclosures designed for tough environments, featuring high-gauge extruded aluminum heat sinks, convection-cooled slim profiles (30mm), and smart speed-controlled fan cooling.

OEM/ODM Product Architecture & Specification Comparison Matrix

To help system architects and purchasing managers select the right power system topology, the following matrix outlines the key electrical and structural specs of our custom factory platforms:

Product Category Input Voltage Topology Nominal Output Specs Peak Efficiency Enclosure & Mounting Target Applications
Off-Grid Solar Inverters 12V / 24V / 48V DC Battery Bus 110V / 230V AC ± 3% (Pure Sine) > 93.5% Heavy-Duty Steel Chassis / Wall-Mount Microgrids, Off-Grid Solar, Telecom Sites
DIN Rail Industrial SMPS 90V - 264V AC Universal Input 12V / 24V / 48V DC (20A - 40A) 91.0% - 94.0% Slim 30mm-80mm Aluminum TS-35 Rail PLC Panels, Industrial Automation, SCADA
Dual-Channel Power Supply 110V - 240V AC High Current Input Dual Independent 12V/24V Bus (Up to 100A) > 89.5% 19-Inch Rack / Enclosed Heavy-Duty Solar Combiner Boxes, Central Racks
UL-Certified SMPS & Charger 90V - 290V AC Grid Input 13.8V / 27.6V Regulated + Battery Float > 88.0% Enclosed Fire-Retardant Steel Box Fire Alarm Panels, Access Control Systems
Isolated DC-DC Converters 18V - 72V DC Wide Range Input Isolated 5V / 12V / 24V Regulated DC > 90.0% PCB Module / Chasis Mount Format Railway Signaling, Telecom Base Stations

Industry Development Trends in Solar Inverters & Industrial Power Electronics

The global solar energy and industrial power supply market is undergoing a major technological transformation. driven by higher energy density demands, grid modernization standards, and rapid advances in wide bandgap (WBG) semiconductors. Brands looking for long-term growth through OEM/ODM partnerships should focus on several key trends currently reshaping the hardware landscape:

1. WBG Semiconductors: Switching to Wide-Bandgap GaN and SiC

Traditional silicon-based MOSFETs and IGBTs are reaching their physical limits regarding switching frequency and thermal dissipation. Modern OEM solar inverters and switching power supplies are increasingly incorporating Silicon Carbide (SiC) diodes and Gallium Nitride (GaN) switching FETs. SiC/GaN devices allow switching frequencies above 100 kHz to 500 kHz, dramatically reducing the physical volume of magnetics (transformers and inductors) while boosting full-load conversion efficiency beyond 98%.

2. Bidirectional Power Flow & Smart Grid Interconnectivity

The boundary between pure off-grid solar inverters, battery chargers, and grid-tied systems is blurring. Future OEM/ODM product architectures rely heavily on bidirectional DC/AC topologies. Dual-direction power stages allow solar-charged battery banks to supply energy back to local loads or grid networks during peak demand times (V2G/V2X and Virtual Power Plant integration), controlled via Modbus, CANbus, or IoT-based MQTT protocols.

3. AI-Driven Adaptive MPPT & Predictive Maintenance

Maximum Power Point Tracking (MPPT) algorithms have evolved beyond basic Perturb & Observe (P&O) methods. Modern OEM solar inverter designs integrate digital signal processors (DSPs) with adaptive AI tracking that handles partial shading conditions across complex photovoltaic arrays within milliseconds. Additionally, embedded firmware tracks thermal cycles, capacitor ESR degradation, and fan runtime, offering predictive maintenance alerts to prevent unexpected system downtime.

4. Modular Parallel Architecture & Hot-Swappability

Industrial solar installations and critical automation control racks are moving away from single large power units in favor of modular, parallel redundant configurations. By utilizing diode OR-ing redundancy modules and active current-sharing buses, 1+1 and N+1 system architectures ensure continuous uptime even during module maintenance or component replacement.

Global Sourcing & Procurement Trends for Industrial B2B Buyers

Procurement directors, EPC project leads, and brand OEMs face complex supply chain dynamics. Sourcing power conversion equipment requires evaluating long-term operational resilience, compliance documentation, and lifecycle costs:

Supply Chain Diversification & De-Risking

Global procurement teams are shifting away from single-country manufacturing setups toward established production hubs in India. Partnering with certified manufacturers like Sanstar Microsystems offers reliable lead times, transparent bill-of-materials (BOM) sourcing, and strong intellectual property protection.

Total Cost of Ownership (TCO) Focus

While low initial unit cost was once the main buying factor, modern buyers prioritize TCO. High energy conversion efficiency (reducing heat generation), premium 105°C-rated Japanese capacitors, and robust surge resistance cut long-term warranty claims and field service expenses.

Custom Branding & Fast Design Iteration

OEM distributors need tailored solutions without long product development cycles. Our flexible modular design allows quick customization of output voltage curves, metal housing colors, silk-screened logos, and customized connector types within weeks.

Frequently Asked Questions (FAQ) for OEM/ODM Sourcing

Direct technical answers for procurement professionals, electrical engineers, and commercial partners.

What is the typical Minimum Order Quantity (MOQ) and lead time for custom OEM/ODM solar inverter production?

Our factory supports flexible MOQ structures depending on the level of customization required. Standard custom branding and label adjustments on existing platforms start at low batch sizes (50 to 100 units). Completely customized hardware topology development or specialized board redesigns usually carry a 500-unit baseline. Standard sample turnaround takes 2 to 3 weeks, with mass production delivered within 4 to 6 weeks depending on component availability.

How does Sanstar Microsystems ensure quality and thermal durability under harsh grid conditions?

All power units are built with industrial-grade components, including 105°C-rated long-life electrolytic capacitors, high-surge MOVs, and heavy copper PCBs. Products undergo 100% full-load burn-in testing under elevated temperatures alongside high-voltage isolation withstand tests (up to 3KV AC input-to-output). This ensures stable performance across fluctuating wide AC input environments (90V–290V AC).

Which global safety standards and environmental certifications do your products comply with?

Our product platforms are designed to meet major global regulatory standards. Depending on the product family, units hold BIS certification (IS 13252), CE compliance (LVD directive EN 62368-1 / EMC directive EN 55032), UL508 industrial control equipment approval, and RoHS environmental compliance. Full test reports and factory inspection documentation are provided for custom OEM projects.

Can your engineering team customize battery charging profiles for LiFePO4 and Lithium-Ion batteries?

Yes. We offer fully customizable multi-stage charging algorithms (Bulk, Absorption, Float, Equalization) optimized for traditional Sealed Lead-Acid (SLA), AGM, Gel, and modern Lithium Iron Phosphate (LiFePO4) chemistry banks. Microprocessor-controlled models can also integrate BMS communication via RS485 or CANbus for real-time charge balancing and temperature compensation.

What thermal derating guidelines should be considered when mounting power supplies in enclosed outdoor solar panels?

Our power supplies and solar inverters are rated for continuous operational output up to +50°C ambient temperature. Beyond 50°C, a linear derating factor of 2.5% per degree Celsius is recommended up to +70°C maximum operating ambient. For tightly sealed IP65/IP67 enclosures, we recommend passive aluminum baseplate cooling or selecting our slim convection-cooled series to prevent heat buildup inside the cabinet.

Partner with a Trusted OEM/ODM Solar Inverter Factory

Have specific voltage requirements, high surge specifications, or custom enclosure requests? Contact our engineering team today to review your electrical schematics, request evaluation samples, or schedule a technical call.