Compressor E-77 Series [Manufactured by Sumitomo Heavy Industries] [Authorized Dealer]
The use of an inverter enables improved energy efficiency and accelerated cooling.
About the E-77A The E-77A compressor is built on the reliable F-50 platform, providing enhanced performance and advanced features in a familiar footprint. This water-cooled three-phase compressor is available in both low voltage and high voltage versions, operating at 6.5/7.5 kW (50/60 Hz). Equipped with inverter technology in both the cold head and the compressor, the E-77A ensures reduced cooling times, improved energy efficiency, and universal 60Hz operation. The updated user interface offers a more intuitive experience, while the redesigned heat exchanger enhances overall performance. The E-77A is an essential part of the RJT-100 4K GM-JT cryocooler system when combined with the RDE series 4K Gifford-McMahon cryocooler.
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Line up（8）
| Model number | overview |
|---|---|
| E-77AH | 〇Cooling method: Water cooling 〇Power supply: 3-phase (380/400/415/460/480V) @ 50, 60Hz 〇Operating frequency range: Compressor: 30-60Hz (inverter variable control) Refrigeration unit: 40-70Hz (inverter variable control) 〇Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
| E-77VH | 〇Cooling method: Water cooling 〇Power supply: 3-phase (380/400/415/460/480V) @ 50, 60Hz 〇Operating frequency range Compressor: 30-60Hz (inverter variable control) Refrigeration unit: 50/60Hz (input power frequency) 〇Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
| E-77SH | 〇Cooling method: Water cooling 〇Power supply: 3-phase (380/400/415V)@50Hz, (460/480V)@60Hz 〇Operating frequency range Compressor: 50/60Hz (input power supply frequency) Refrigeration unit: 40-70Hz (inverter variable control) 〇Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
| E-77NH | 〇Cooling method: Water cooling 〇Power supply: 3-phase (380/400/415V)@50Hz, (460/480V)@60Hz 〇Operating frequency range Compressor: 50/60Hz (input power supply frequency) Refrigeration unit: 50/60Hz (input power supply frequency) 〇Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
| E-77AL | 〇Cooling method: Water cooling 〇Power supply: 3-phase (200/230V) @ 50, 60Hz 〇Operating frequency range Compressor: 30-60Hz (Inverter variable control) Refrigeration unit: 40-70Hz (Inverter variable control) 〇Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
| E-77VL | 〇Cooling method: Water cooling 〇Power supply: 3-phase (200/230V) @ 50, 60Hz 〇Operating frequency range Compressor: 30-60Hz (Inverter variable control) Refrigeration unit: 50/60Hz (Input power frequency) 〇Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
| E-77SL | Cooling method: Water cooling Power supply: 3-phase 200V@50Hz, (200/230V)@60Hz Operating frequency range: Compressor: 50/60Hz (input power supply frequency), Refrigeration unit: 40-70Hz (inverter variable control) Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
| E-77NL | 〇Cooling method: Water cooling 〇Power supply: 3-phase 200V@50Hz, (200/230V)@60Hz 〇Operating frequency range: Compressor: 50/60Hz (input power supply frequency) Refrigerator: 50/60Hz (input power supply frequency) 〇Power consumption (steady state) (50/60Hz): 6.5/7.5kW |
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Our company entered the cryogenic business in 1970. In 1993, we fully entered the low-temperature physical property measurement equipment market, focusing on quickly, affordably, and user-friendly supplying products tailored to our customers' needs in partnership with distinctive domestic and international manufacturers. Based on our flagship measurement system, the Cryo refrigeration unit, we have a proven track record of assisting in numerous developments in the energy and power sector, industrial and transportation sector, and analysis and information sector, primarily utilizing superconducting technology.