Ningbo Sanmin Import And Export Co.,Ltd.
Ningbo Sanmin Import And Export Co.,Ltd.
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Ex : ON :1Bar OFF:2Bar =NC
ON :2Bar OFF:1Bar =NO
ON :-0.9Bar OFF:-0.65Bar =NO
ON :-0.65Bar OFF:-0.9Bar =NC
SMF19 pressure switches can also be used to regulate the tank pressure between two preset values on onephase electrically driven air compressors. They are available with an unloader valve, which prevents compressors from starting under load, and it is available with an On-Off knob for manual cut off the compressor.
| MODEL | Media | Unloader Valve | Operating Pressure Range(bar) | Factory Setting (bar) | Differential (bar) | Electrical Rating | Contact Arrangement |
| SMF19 | Air | with | 1-6 | 1-3 | 2-4 | 16A ,25/250VAC | NC |
| 2-11 | 1.4-3.5 | 6-8 | |||||
| 5-14 | 1.8-4.0 | 8-10 |