Product range — actual catalogue images
The product images below are hosted on the manufacturer's official website (borayinverter.com) and link directly to the manufacturer's catalogue. Click any image to view the full specification page in a new tab.
BR100 series compact VFDs — 1.5KW S1 AC 220V variants for small motor and pump applications.
BORAY hybrid solar inverter — single-phase residential variant, white and teal color options.
Larger industrial VFD + outdoor IP-rated enclosure variant — for outdoor pump or fan applications.
ST300 Online Soft Starter range — compact wall-mount through to large cabinet for high-power motor starting.
Product family overview
| Product family | Power range | Typical application | FOB China typical price |
|---|---|---|---|
| Compact VFD (single-phase input) | 0.4-2.2 kW | Small pumps, fans, conveyors, machine tools | USD 38-95 per unit |
| Compact VFD (3-phase input) | 0.75-7.5 kW | Industrial fans, pumps, mixers, small machinery | USD 75-220 per unit |
| Mid VFD (3-phase 380V) | 11-75 kW | Mid-size pumps, HVAC fans, machinery | USD 280-980 per unit |
| Large VFD (3-phase 380V) | 90-400 kW | Large industrial motors, water utilities, mining equipment | USD 1,150-4,800 per unit |
| High-power VFD | 450-630 kW | Large utility pumps, mining hoists, heavy industry | USD 5,500-12,800 per unit |
| Solar hybrid inverter (single-phase) | 3-12 kW | Residential solar + battery + grid hybrid | USD 380-980 per unit |
| Solar hybrid inverter (3-phase) | 10-50 kW | Commercial solar, microgrid, off-grid hybrid | USD 1,400-4,200 per unit |
| Online soft starter (compact) | 11-75 kW | Reduced-voltage motor starting for pumps, fans, compressors | USD 220-680 per unit |
| Online soft starter (cabinet) | 110-1200 kW | Large motor starting (mining, water utility, marine) | USD 1,200-4,800 per unit |
| Online UPS | 1-200 kVA | IT equipment, hospital, data center power conditioning | USD 380-3,800 per unit |
| Voltage stabilizer (servo) | 5-500 kVA | Voltage stabilization in unstable-grid markets | USD 280-2,800 per unit |
Solar hybrid inverter — what to specify
| Specification | Residential 3-12 kW | Commercial 10-50 kW |
|---|---|---|
| Input PV voltage range | 120-500 VDC | 200-800 VDC |
| MPPT count | 1-2 (single-phase) | 2-4 (3-phase) |
| Battery voltage | 48V (most common); 24V budget; 96V some hybrid | 96V or 192V battery banks; LiFePO4 standard |
| Output (grid-tied + off-grid hybrid) | Single-phase 220V/240V at 50 or 60 Hz | 3-phase 380V/400V at 50 Hz; 3-phase 480V at 60 Hz |
| European efficiency rating | 96-98% | 97-98% |
| Peak efficiency | 97-98.5% | 97.5-98.6% |
| Surge / transient protection | Type II SPD on PV + AC | Type I+II SPD; typically external |
| Communication | WiFi + RS485 + dry contacts | Ethernet + RS485 + Modbus + optional 4G |
| Compliance certifications | CE / IEC 62109; for EU: AS/NZS 4777, G98, VDE-AR-N 4105 | CE / IEC 62109; for grid: G99, IEEE 1547, UL 1741 (US-export) |
| Warranty | 5 years standard; 10-year extended option | 5 years standard; 10-year extended |
VFD specifications by application
| Application | VFD type required | Critical specifications |
|---|---|---|
| Centrifugal pump / fan (variable load) | V/F or vector control, light overload | 120% overload for 60s; PID built-in for pressure/flow control |
| Constant-pressure water supply | V/F with PID | Multi-pump rotation logic; dry-run protection; sleep mode for energy saving |
| Conveyor | Vector control with brake unit | Dynamic braking resistor compatible; positioning if needed |
| Machine tool spindle | Vector control with closed-loop encoder support | 0.1 Hz minimum frequency; encoder feedback option |
| HVAC fan / blower | V/F simple, energy-saving | Soft-start ramp; energy-saving sleep mode at low load |
| Hoist / crane | Vector control with regenerative unit | Higher overload (150% for 60s); regenerative braking; safety brake control |
| Mixer / extruder | Vector control, heavy-duty | 200% overload for short periods; high starting torque |
| Compressor (rotary screw) | V/F or vector, special rotary-screw program | Pre-programmed compressor algorithm; oil-pressure interlock |
Quality tier definitions
VFD and inverter failure modes typically involve power semiconductor breakdown — IGBT failure, capacitor degradation, or DC bus failure. Premium tier uses OE-equivalent power semiconductors (Infineon, Mitsubishi, Fuji) with proper gate-driver design and adequate heatsinking margins. Budget tier uses generic IGBTs with marginal cooling, leading to thermal-cycling fatigue and shortened service life — typically 3-5 years vs 10-15 years for premium-tier.
For pump and fan applications running 8,000+ hours/year, a USD 80 budget VFD that fails at 4 years and costs USD 800 in unscheduled downtime delivers worse total cost than a USD 220 premium VFD that runs 12 years without intervention. For solar hybrid inverters where the inverter is expected to outlast 80% of the system, premium-tier electronics are particularly important.
| Tier | Power semiconductors | Control DSP | Service life vs Tier-1 | Price ratio vs Schneider/ABB |
|---|---|---|---|---|
| Premium aftermarket-fit (BORAY premium) | Infineon / Mitsubishi IGBTs; OE-equivalent gate driver | TI / ST DSP with industry-standard control algorithms | 85-100% | 20-32% |
| Standard | StarPower / Yangtze IGBTs; standard gate driver | Generic DSP, basic control algorithms | 60-80% | 12-20% |
| Budget | Generic IGBTs; basic gate driver | Basic MCU control | 40-60% | 6-12% |
Order workflow — power electronics distributor
View the full supplier profile, certifications, contact details, and complete product catalogue.
BORAY — Chinese specialist manufacturer of power electronics. VFDs from 0.4kW to 630kW; solar hybrid inverters from 3kW to 50kW; online soft starters from 11kW to 1200kW; online UPS, voltage stabilizers, and power conditioning. Premium-tier with Infineon/Mitsubishi IGBTs and TI/ST DSPs. Cross-reference for Schneider Altivar, ABB ACS, Yaskawa, Mitsubishi FR-D700, Delta MS300. CE / IEC 62109 / VDE / G98-G99 / AS-NZS 4777 / UL 1741 certified.
- Application analysis — match power range, control type, and certifications to your local market needs (residential solar / commercial solar / industrial pumping / HVAC / mixed)
- Certification verification — for EU / UK / Australia solar markets: AS/NZS 4777 + G98/G99 + VDE-AR-N 4105; for US grid-tied: UL 1741 + IEEE 1547 + state utility requirements; for industrial VFDs: CE + EN 61800-3 EMC + UL 508C if exporting to US
- Sample order — 2-5 units of each top SKU by air freight; bench-test on actual load conditions; verify communication protocols + monitoring software
- Field installation trial — install on representative sites for 60-90 days; document fault codes, temperature behavior, communication reliability
- First container order — typically 200-800 units mixed across 15-30 SKUs based on local application demand
- Series replenishment — quarterly orders aligned with seasonal solar demand patterns + ongoing industrial replacement cycle
Frequently asked questions
Companion guide for low-voltage motor-starting components — contactors, breakers, control relays.
Companion guide for solar transfer switches and DIN-rail switchgear — installer's wholesale sourcing.
For complementary distribution opportunities in EV / e-mobility categories.
Source: Product images on this page are hosted on the manufacturer's official website (borayinverter.com) and link directly back to that website. All product information was summarised from the supplier's public catalogue.
Brand mentions and trademark compliance: References to Tier-1 power-electronics brands (Schneider Altivar, ABB ACS, Yaskawa, Mitsubishi FR-D700, Delta MS300, Siemens Sinamics) are made for the sole purpose of describing functional benchmarks and cross-reference fitment. BORAY is not authorized by, affiliated with, or endorsed by any of these brand owners. Products are aftermarket-fit cross-reference parts manufactured under BORAY's own brand or buyer-private-label only.
Grid-tied installation safety: Solar hybrid inverter installation in grid-tied configuration requires certified electrical installer per local regulations. Improper grid-tie installation can damage equipment, void warranty, and create electrical safety hazards. Verify all required local certifications (UL 1741 / IEEE 1547 / AS/NZS 4777 / VDE / G98/G99 / CSA C22.2) are current and applicable to specific destination market before commercial deployment.
Pricing & specifications: All price ranges, service-life figures, and tier definitions reflect general market observation and may not apply to specific orders. Real-world VFD/inverter service life depends significantly on operating environment (temperature, humidity, dust), duty cycle, and maintenance practice (capacitor refresh, fan replacement). Confirm current pricing, MOQ, and configuration directly with the supplier.
No middleman role: CifyChina provides supplier discovery and editorial content. All transactions occur directly between buyer and supplier through the contact channels published on the supplier's official website.
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