
Embraco NEK2140Z Hermetic Reciprocating Compressor – Single Phase
The Embraco NEK2140Z is a hermetic reciprocating compressor for low-temperature refrigeration using R134a. Designed for 220–240 V, single-phase, 50 Hz operation, it features a 16.8 cm³ displacement and a high starting torque motor.
Technical Specifications
| Specification | Details |
|---|
| Model | NEK2140Z |
| Engineering code | 269GA51 |
| Compressor type | Hermetic reciprocating |
| Application | Low back pressure (LBP) |
| Refrigerant | R134a |
| Power supply | 220–240 V / Single phase / 50 Hz |
| Nominal horsepower | 1/2 HP |
| Displacement | 16.8 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 × 201.1 mm |
| Net weight | 11.6 kg |
Example Performance – R134a, 50 Hz
ASHRAE LBP conditions: −23.3°C evaporating temperature, 54.4°C condensing temperature, 32.2°C return-gas temperature and 32.2°C liquid temperature.
| Performance | Details |
|---|
| Cooling capacity | 435 W @ −23.3°C evaporating / 54.4°C condensing |
| Power input | 335 W |
| Running current at test conditions | 2.35 A at 220 V |
| Performance basis | OEM tested data for engineering code 269GA51 |
Dimensions describe the compressor shell; allow additional space for connections, mounting and electrical equipment.
Selection note: Specifications apply to engineering code 269GA51. Embraco lists other NEK2140Z variants with different performance or connections; confirm the nameplate code when selecting.
Manufacturer sources:
Embraco NEK2140Z – Product specifications and performance, code 269GA51
Embraco NEK2140Z – Dimensional drawing (PDF)