528L/18.68cu.ft -86°C Cascade Cooling System Ultra Low Freezer Freezer For Laboratory & Medical, UL certificate, Energy Star rebate, 110V-230V

M-Cascade system ULT freezer consists of two-stage cascade cooling technology with absolute hydrocarbon refrigerants, R290 and R170, as natural gas. The inverter compressors are programmed to help save energy during long-term preservation or provide fast temperature recovery while frequently opening the door to maintain the specimen's liveness.   Two-stage Cascade & Variable Frequency Drive Refrigeration High-efficiency frequency conversion compressors enable the operating power to be automatically adjusted according to the heat load, making the equipment energy-saving.   Applicable to Various Power Supply Environments It can work typically under various power supply environments such as 110V60Hz, 220V50Hz, 220V60Hz, etc.   Stable Internal Temperature Standard SECOP compressors maintain a stable -86℃ ultra-low temperature environment, increasing efficient sample storage.   Excellent Thermal Insulation Performance The design of foam inner doors, built-in vacuum insulation board, and