Intelligent Pump Controller Model S521
Description :
Intelligent controller S521 is widely used for control and protection of single phase 220V controller ,it has function of over load protection ,under voltage protection ,over voltage protection ,the most important advantage is that we have "one key setting " , it's easy for pump users to set overload and dry run current value .
Product function / features :Enough space for installing one capacitor insideOver load protectionPump stalled protectionDry run protection with sensor freeUnder voltage protectionOver voltage protectionPush button calibrationMemory function when power off & recovery
Technic parameter :
| Control characteristic |
Double liquid level control |
| Pressure control |
| Control method |
Auto / Manual |
| Liquid level control charactersitic |
Liquid probe / float switch |
| Pressure control characteristic |
Pressure switch / pressure tank |
| Trip response time of overload |
5sec-5min |
| Trip response tiime of dry run |
6 sec |
| Recovery time of over load |
30 min |
| Recovery time of under / over voltage |
5 min |
| Recovery time of dry run |
30 min |
| Trip voltage of over voltage |
253V |
| Trip voltage of under voltage |
175V |
Audited Supplier 
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