Details

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COMPRESSOR SC21G is : 

~SC21G Compressor 5/8 HP R134A / SC21G 5/8 HP R134A Secop Compressor – Classic SC21G 5/8 HP hermetic refrigeration compressor designed for R134a (and often R513A/R1234yf) systems at 220-240 V single-phase. Great fit for small commercial freezers, coolers, and similar LBP/MBP/HBP applications.
~SC21GX Danfoss Compressor (Compact Variant) – A closely related SC21GX variant from Danfoss/Secop, slightly different spec but in the same power/capacity class.


Spec : 

~Type: Hermetic reciprocating compressor — piston type for refrigeration.
~Typical Power: ~5/8 HP (~0.625 HP).
~Refrigerants: Designed mainly for R134a, and often also compatible with R513A/R1234yf in modern variants.
~Voltage: 220–240 V AC, single-phase (50 Hz & 60 Hz).
~Displacement: ~20.95 cm³ (~1.28 in³).
~Applications: Commercial/freezer cabinets, vending machines, ice makers, display chillers, medical coolers, cold storage units.
~Motor: CSCR/CSR with internal protection; uses a start relay and capacitors (typically ~80 µF start, ~10 µF run on 50 Hz).
~Oil: Polyolester (POE) suitable for R134a.