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Engineers and installers of small‑to‑medium commercial refrigeration, mini‑split/VRF air‑conditioning units, rooftop packaged ACs seeking high efficiency.
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The Sanyo C‑SB303H3B compressor delivers 3 kW (≈4 HP) of power with a hermetic oil‑lubricated rotary design, providing both high energy efficiency and long service life. Operating at 400 V‑50/60 Hz, it offers single‑phase and three‑phase connection options, simplifying integration into various commercial refrigeration and HVAC systems. Its compact dimensions—303 mm outer diameter and 450 mm length—allow installation in tight spaces, while a lightweight construction of 2.5 kg m‑3 reduces handling and installation costs. Certified to IEC 60034‑30‑2, the unit achieves A++ energy class performance with SEER/SCOP values above 5.0, ensuring significant energy savings. A maximum sound pressure level of 58 dB(A), vibration‑damping seals, and a balanced rotor guarantee quiet operation. Suitable for refrigerators, beverage coolers, wine cabinets, as well as mini‑split, VRF modules, and rooftop package air‑conditioners, the compressor features durable bearings, thermal protection sensors, and over‑pressure safeguards that lower maintenance frequency and boost system reliability. Sanyo backs the product with a 10‑year warranty, reflecting confidence in its quality and durability.
Key Features
Use Cases
Why This Product?
Installation & Setup
Ensure ambient temperature is between –30 °C and +55 °C before installation. Mounting plates follow standard ISO‑400 mm dimensions. Provide proper circuit protection (MCB) and grounding for the electrical connection. Verify oil level at first start‑up and perform a low‑pressure test within 24 hours.
Frequently Asked Questions