Compressor Guides August 25, 2026 info@rtcompressor.com

JT1GCVDKYR-BA 380-440V 3-Phase Compressor: Voltage Guide, Specs and Price

The JT1GCVDKYR-BA is a three-phase refrigeration compressor rated across the 380-440 V band, factory-priced from $310-520. Its defining feature – the wide voltage envelope – solves a procurement problem that affects every exporter, OEM, and multi-country distributor in the refrigeration business. This guide covers the specification picture, the voltage-standards story, application engineering, installation requirements, and buying guidance.

JT1GCVDKYR-BA three-phase 380-440V refrigeration compressor for commercial condensing units
The JT1GCVDKYR-BA three-phase compressor – one voltage envelope covering 380-440 V markets.

Quick Answer: Why Does the Voltage Band Matter?

Three-phase industrial power is not one standard – it is several: 380 V across much of Asia and the Middle East, 400 V in Europe and Africa, 415 V in UK-influenced markets, 440 V in marine and heavy-industrial installations. A compressor rated across the full 380-440 V band deploys to all of them from a single part number – one SKU instead of four, one stock position instead of regional fragmentation, and tolerance for the real-world voltage drift that kills marginal equipment.

Specifications

Parameter Specification
Model JT1GCVDKYR-BA
Power supply 3-phase, 380-440 V
Application Refrigeration and air conditioning
Minimum order quantity 1 piece
Price range $310 – $520 (contact for quotation)

The Voltage Standards Problem, Explained

Anyone sourcing compressors for international deployment knows the frustration: the same nominal equipment ships in voltage-specific variants, and every variant multiplies your stock-keeping, documentation, and mis-order risk. The underlying standards landscape:

Nominal voltage Typical markets
380 V China, much of East/Southeast Asia, Middle East installations
400 V European standard, widely adopted in Africa and parts of Asia
415 V UK, Ireland, Gulf states, Commonwealth-influenced markets
440 V Marine, heavy industrial, specialized installations

Two consequences follow. First, the commercial one: a 380-440 V rated unit serves the lot, collapsing variant management into a single part number. Second, the engineering one: site voltage is not the nameplate voltage. Loaded circuits sag; unloaded ones rise; long cable runs drop volts; generators drift with load. Equipment engineered for a band rather than a point survives the electrical reality of real installations – which is precisely why voltage-band tolerance correlates strongly with field survival rates in developing-market conditions.

A note on frequency: three-phase markets at these voltages are overwhelmingly 50 Hz. (North America’s 60 Hz / 460 V class is a different envelope.) Confirm your site frequency and voltage at quotation – the engineering team validates every application.

Three-Phase vs Single-Phase: The Engineering Case

At commercial refrigeration capacities, three-phase is not a preference – it is the correct engineering choice:

  • Power delivery: three-phase conductors carry roughly 1.7x the power of the same copper in single-phase – decisive at multi-kilowatt compressor ratings.
  • Torque quality: three-phase motors produce constant rotating torque; single-phase designs pulse, requiring auxiliary windings and capacitors – extra failure items.
  • Efficiency: three-phase induction motors run 2-4 points more efficient at these sizes, compounding over commercial duty hours.
  • Starting: no elaborate start circuits – and with soft starters or VFDs where fitted, gentle ramps.
  • Motor longevity: balanced three-phase loading means balanced thermal stress and longer winding life.

Application Scenarios: Where the JT1GCVDKYR-BA Works

Scenario 1: Multi-market condensing unit programs

An equipment exporter building condensing units for sale across the Middle East, Africa, and Southeast Asia faces the voltage-fragmentation problem on every production run: 380 V units for one market, 400 V for another, 415 V for a third – each variant a separate stock position, documentation set, and mis-shipment risk. The JT1GCVDKYR-BA’s 380-440 V envelope collapses that matrix into one part number, one test report, one inventory line. For export-driven assemblers this is not a convenience feature; it is the production architecture.

Scenario 2: Cold rooms on unstable rural and industrial supplies

Agricultural cold storage often sits at the end of long rural feeders where voltage sags under load and drifts with the grid’s daily rhythm. Industrial plant rooms add their own supply noise from large motor starts elsewhere on the site. Marginal equipment dies young in these conditions – undervoltage overheats motors, swamps protection settings. A compressor engineered across the full 380-440 V band, with the thermal and insulation margins that implies, survives the electrical environments where most compressor mortality actually happens.

Scenario 3: Marine and specialized 440 V installations

Ships and offshore platforms standardize on 440 V three-phase – the top of this unit’s envelope. Provision-room refrigeration, galley cold storage, and HVAC plants on vessel retrofits and newbuilds all need compressors rated for that supply, and marine duty adds sustained vibration and ambient stress that frame construction must tolerate. The JT1GCVDKYR-BA’s band includes 440 V natively (full marine application review at quotation).

Scenario 4: Commercial rooftop and packaged AC fleets

National service companies maintaining rooftop and packaged AC fleets across countries with different nominal voltages value the same one-SKU logic as the exporters: a single compressor covering the 380-415 V countries they serve simplifies van stock, depot stock, and training. When a rooftop unit fails on a trading business, the correctly-rated replacement arriving in days – not the weeks a wrong-voltage variant adds – is the difference between a maintenance contract kept and lost.

Installation Requirements for Three-Phase Compressors

  1. Verify supply under load: measure all three phase-to-phase voltages with the system running – not just at the panel unloaded. Imbalance beyond about 2% between phases degrades motors measurably.
  2. Check phase rotation before first start: a reversed-phase three-phase motor runs backwards – pumping nothing while destroying itself. Correct with any two supply phases swapped.
  3. Protection coordination: set overloads to nameplate full-load amps, verify short-circuit protection, and confirm contactor ratings – contactor faults are a leading compressor killer.
  4. Crankcase heater discipline: where fitted, energize hours before start-up to drive refrigerant out of the oil – oil diluted with liquid refrigerant lubricates nothing.
  5. Standard refrigeration craft: nitrogen brazing, sub-500-micron vacuum with decay test, filter-drier replacement, charge by weight, full commissioning log.
  6. Baseline data: record running amps per phase, voltages, pressures, superheat/subcooling – the reference for every future service decision.

Price, Ordering, and Support

Pricing spans $310-520 by quantity, configuration, and destination; volume tiers apply from quotation. The order process validates your application – refrigerant, capacity requirement, site voltage and frequency – before commitment, which is exactly the discipline a wide-band unit still requires (band tolerance is not universal license). Shipping runs worldwide: air express for urgent replacements (5-10 days typical), sea freight for volume, export packaging standard. Datasheets, wiring diagrams, and commissioning documentation are available through the documents team.

View the JT1GCVDKYR-BA product page for a quotation or submit requirements via the inquiry form.

Pros and Cons

Pros Cons
380-440 V band serves virtually all 50 Hz three-phase markets Not for 60 Hz / North American 460 V class supplies
Single SKU collapses multi-market variant management Configuration confirmation (refrigerant, capacity) still required per order
Voltage-drift tolerance improves field survival Requires three-phase supply infrastructure
Factory-direct $310-520 with 1-piece MOQ Fixed-speed design – no inverter modulation

Frequently Asked Questions

Can this compressor run on 60 Hz?

The rating is optimized for standard 50 Hz three-phase networks at these voltages. For 60 Hz applications, confirm with the engineering team before ordering – frequency changes speed, current, and capacity.

What documentation ships with the unit?

Datasheets, wiring diagrams, and factory test reports are available; request them with your quotation for commissioning and compliance files.

Why the $310-520 price range?

Quantity tiers, configuration, and destination. Singles and urgent orders land at the upper band; volume steps toward the lower.

Is it suitable for marine 440 V installations?

The band includes 440 V – marine and heavy-industrial applications are within the voltage envelope; confirm the full application (duty cycle, ambient, refrigerant) at quotation.

Can it replace a failed compressor in my existing system?

Send the original nameplate details – model, refrigerant, voltage, capacity – and the engineering team confirms interchange before you order.

What is the delivery lead time?

Stocked singles ship in 3-7 working days; air express worldwide 5-10 days typical; sea freight for volume orders.

Conclusion

The JT1GCVDKYR-BA answers one of the least glamorous but most persistent problems in international refrigeration procurement – voltage fragmentation – with a genuine 380-440 V envelope, backed by proper three-phase engineering and factory-direct pricing from $310. For exporters, OEMs, and multi-market distributors, one part number covering the world’s three-phase markets is not a convenience; it is an inventory strategy. Explore the full catalog or the solutions pages for related equipment.

info@rtcompressor.com

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