Embraco NEK6144GK Hermetic Reciprocating Compressor – Single Phase
The Embraco NEK6144GK is a hermetic reciprocating compressor for medium-temperature refrigeration using R404A. Designed for 220–240 V, single-phase, 50 Hz operation, it features a 4.51 cm³ displacement and a high starting torque motor.
Technical Specifications
| Specification | Details |
|---|
| Model | NEK6144GK |
| Engineering code | 957GA50 |
| Compressor type | Hermetic reciprocating |
| Application | Medium back pressure (MBP) |
| Refrigerant | R404A |
| Power supply | 220–240 V / Single phase / 50 Hz |
| Nominal horsepower | 1/4 HP |
| Displacement | 4.51 cm³ |
| Motor type | CSIR – capacitor start, induction run |
| Starting torque | High starting torque (HST) |
| Suction connection internal diameter | 8.1 mm |
| Discharge connection internal diameter | 6.1 mm |
| Shell dimensions (W × D × H) | 162 × 199 × 188.4 mm |
| Net weight | 10.4 kg |
Example Performance – R404A, 50 Hz
ASHRAE MBP conditions: −6.7°C evaporating temperature, 54.4°C condensing temperature, 35°C return-gas temperature and 8.3 K subcooling.
| Performance | Details |
|---|
| Cooling capacity | 424 W @ −6.7°C evaporating / 54.4°C condensing |
| Power input | 253 W |
| Running current at test conditions | 1.55 A at 220 V |
| Performance basis | OEM tested data for engineering code 957GA50 |
Dimensions describe the compressor shell; allow additional space for connections, mounting and electrical equipment.
Manufacturer sources:
Embraco NEK6144GK – Product specifications and performance
Embraco NEK6144GK – Dimensional drawing (PDF)
