Specifications
Pressure Control SwitchStart and stop refrigeration compressors and fans of air condensers
Used in fluoride,air refrigeration
Pressure Control Switch
Protect compressors in refrigeration and air-condition plant and keep them from over-lower pressure or over-high suction pressure.
Fitted with a single pole double throw (SPDT) change-over switch.
The position of the switch is determinded by the pressure control setting and the pressure at the connector.
| Type and date(Unit:Mpa) | ||||||||||
| Model | Low pressure | High pressure | Reset | Factory set | ||||||
| Adjust range | Differential | Adjust range | Differential | L.P. | H.P. | L.P. | H.P. | |||
| Off | On | Off | On | |||||||
| NPTC-830E | 0.07→0.6 | 0.06~0.4 | 0.5→3.0 | 0.3~0.5 | Aut. | Aut. | 0.3 | 0.2 | 2 | 1.5 |
| Fixed | ||||||||||
| NPTC-830HME | 0.07→0.6 | 0.06~0.4 | 0.5→3.0 | Fixed≥0.4 | Aut. | Man. | 0.3 | 0.2 | 2 | ≤0.4 |
| NPTC-830HLME | 0.07→0.6 | Fixed≥0.2 | 0.5→3.0 | Fixed≥0.4 | Man. | Man. | 0.2 | 0.3 | 2 | ≤0.4 |
| Electrical data | |||
| Voltage | Non-inductive | Inductive current | |
| current | Full load | Starting | |
| A.C.110V | 24A | 24A | 144A |
| A.C.220V | 16A | 16A | 96A |
