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Vertical Multistage Pumps
Vertical Multistage Pumps Shop vertical multistage pumps for pressure boosting, HVAC systems, water supply, irrigation, reverse osmosis, boiler feed, and
Failing to use protection system, not only can seriously harm the equipment, but can also invalidate every right to assistance under warranty.
Single phase:
Protection percentage of built-in thermal control protector for single-phase electric-motor 110V/220 V
| Power - KW | 110V – 50/60 Hz | 220V 50/60 Hz |
|---|---|---|
| 0.25 | 60% | 70% |
| 0.37 | 50% | 60% |
| 0.75 | 30% | 50% |
| 1.1 | 25% | 40% |
| 1.5 | 15% | 30% |
| 2.2 | 5% | 15% |
Advantages This System:
Disadvantages this System :
This overload controls the system by measuring the temperature, so when your Pump find the problem, the temperature of the winding rises as the amperage consumption increases, and this overload cuts off the electricity by measuring the temperature, but after cooling and lowering the degree, automatically connects the electricity and pump will be turn on auto.
Very important point:
Given that, the number of disconnection and connection times and the lifespan of each type of overload is determined by the manufacturer according to the Amper passing through it. And if your pump is stuck for any reason and can’t work, a lot of Ampers will pass through it. Especially in high power, for example, 1.5 HP or 2 HP at 110 V will be passing 30 to 40 Ampers, Too much amperage can cause severe sparks, and platinum may be welded together .If there is no other reliable protection system in the input power line, your pump will certainly burn out. For example, the life of a good overload in 6 A is about 10,000 times, but in 15 A it is 200 times and in 30 amps it is only 10 to 20 times.
Three phases Overload System:
Some of the three-phase electric-pumps are equipped with thermal protection systems (Thermo guards) placed inside an external control panel on the circuit line.
This protection system for all pumps with different powers can provide up to 75% complete protection.
The manufacture use two kind of thermal protector for three phases , 1- Thermo Guard (on-off Contact ) 2- PTC (resistance system ) 3- PT100 sencore
1- Thermo Guard (on-off Contact ) ; this system need one controller that can be adjust with with this protection such as swes 0000
2- PTC (resistance system ): this system need one controller that can be adjust with PTC sencore
Vertical Multistage Pumps Shop vertical multistage pumps for pressure boosting, HVAC systems, water supply, irrigation, reverse osmosis, boiler feed, and
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