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3HP Single Phase Drainage Pump Control Box with IP54 Protection L921-S1
Electrical Control SystemWater Pump ControllerWater Pump Control Box
Hunan Leading Science & Technology Development Co., Ltd.
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Product Description 1 About Product1)Description3HP single phase drainage pump control box with IP54 protection L921-S Model L921-S is specially designed for sewage/drainage pump system by adopting level transmitter, pump user can easily set the different level value and observe the dynamic level value in the pipeline.2)Parameter form ApplicationControl & protect sewage / drainage pump onlyModelL921-SMain technical data Start type Direct on lineQty of controlled pump Single pumpRated input voltageAC220V-240V Single phase50HZ/ 60HZRated output power:0.37kw-2.2kw (0.5hp-3hp)3-4kw(4-5.5hp)Protection functionOver load protectionPump stalled protectionDry run protection with sensor freeUnder voltage protectionOver voltage protectionRepeat start protectionControl characteristicConnecting 0.5-4.5V level transmitter to replace float switch or level probePump start and stop according to different depth value settingOther featuresLCD screen displaying dynamic real time depth & pump running statusPump start and stop depth value can be easily setting on the LCD screenPump shaft anti-rustPump accumulative running time displayingPump last five faults recording displayingPresenting one dry contact point (BA port)Present RS485 portPresent user remote monitorLCD screen locked function under auto stateMain installation data Working temperatureWorking humidityDegree of protectionInstall positionUnit dimension (L x W x H)-25oC-- +55oC20%--90%RH, no drips concretedIP54Wall mounting310 x 220 x 120mm 2 About us1)Company Information Brief IntroductionSince 2001, Leading Science & Technology company has been providing pump control and protection solutions to pump users.Today Leading Science & Technology offers a wide range of pump control panel & pump control accessories for the pump control and protection market.Our products: Intelligent Pump Controller, Sewage Pump Controller, Booster Pump Controller, Deep Well Pump Control Box, Submersible Pump Controller, Pump Motor Starter,Programmable Logic Controller, IOT Pump Controller, Reverse Osmosis Controller.For more information, please visit: . Our TeamLeading company has three major departments:1. Sales Team2. R&D Team3. Production TeamSales team collect the information and technical requirements from pump manufacturers, pump distributors, pump users etc and report to our R&D team. According to the information, R&D team will evaluate firstly and start to research,develop and test the pump controller. Finally once the pump controller is workable, our production team will produce.With our team members' close cooperation, Leading company has been developing many unique control and protection technology for pump industry.2)Our factory3)Our trading fair4)Customers' visit 5)Qualification &Certificate3.FAQ 1)Can i have some samples ?Yes ,we can send you samples for testing,contact us for details.2)What's delivery time ?For standard pump control panel ,it usually takes about 7 working days;For non-standard,it usually takes 15-20days ,please contact us for details.3)Can I do OEM or ODM ?Yes,we have our own engineering team and we do accept OEM and ODM,but there is ordering quantity requirement.4)How does your factory do the quality control ?Our production process follow up the ISO standard and we control the product quality from the raw materials to the finished product,each of our control panel will be fully assembled and strictly tested before packing and shipping.5)What is the approximate life time for your control panel ?The designed life time of control panel is 8 years.6)What is your after sales service policy ?According to the ordering quantity,we will give some free spare parts or controller for maintenance or replacement and we will give technical training.7)How can i trust you ?We have being developing the pump control panel manufacturing and selling for 15 years ,now many pump supplier from China and overseas are using our controller to control and protect their pump and motor.
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