SCROLL TECH ST-R125 KE-TF7-3PH-380V-60HZ-R407
Scroll Compressor (≈ 10 HP / ~125,000 BTU class)
This is the high-voltage TF7 version of the ScrollTech ST-R125 series, designed for commercial HVAC and chiller systems using R407C refrigerant and operating on 3-phase 380V / 60Hz.
Based on the ST-R125 platform, it is equivalent in performance to Copeland ZR125KCE TF7 compressors used in 10-ton class systems.
Key Specifications (ST-R125 TF7)
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Brand: ScrollTech
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Model: ST-R125 KE-TF7
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Compressor type: Hermetic scroll
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Refrigerant: R407C
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Power supply: 3-Phase, 380V, 60Hz
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Cooling capacity: ~125,000 BTU/h (≈ 10 HP class)
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Oil type: POE oil
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Application: Air conditioning / small chiller systems
Equivalent Reference (Industry Standard)
This compressor is in the same class as:
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Copeland ZR125KCE-TF7 / ZR125KC TF7
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Capacity: ~125,000 BTU
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Suction/Discharge (typical): 1-3/8” / 7/8”
Applications
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10 ton commercial split AC systems
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Rooftop packaged units
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Small air-cooled chillers
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Large VRF fixed-speed auxiliary circuits
Electrical Notes (TF7 – 380V 3 Phase)
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Requires 380–420V, 3-phase supply
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No capacitor required (direct 3-phase motor)
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Must ensure:
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Correct phase sequence
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Proper overload protection
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Proper contactor rating for LRA ~120A class
Key Features
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High efficiency scroll technology
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Low vibration and quiet operation
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Internal motor protection
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Stable performance under varying load
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Designed for R407C / POE oil systems