Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и
Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и
Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и
Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и
Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и
Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и
Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и

Аварийное устройство питания при сбое имеет функцию Блокировки Открытия тормоза и


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Power supply























Introduction :DERNFU power supply factory  provide OEM and ODM service has 100-150 people, more than 20 years.Quality products, Service Excellence.
DERNFU power supply factory is a national high-tech enterprise, specializing in the productions of power supply, waterproof LED power supply, power adapter, charger...etc manufacturer. Our company has passed ISO9001:2008 international quality system certification, and has obtained dozens of invention patents, utility model patents, appearance patents.
Products are at the leading level in the power industry technology and certification. First-class technology, enthusiastic service, strong research and development capability and production efficiency, will be your ideal choice. Our products specifications are varied and their appearance are beautiful. Product design and production are strictly in accordance with the safety standards for power supplies.Products from 3 W to 1000 W (Output Voltage is 3 - 72 Vdc, Output Current 0.3 - 100 A), A total of more than 1000 kinds of models, etc.
Service: Any inquiry please proivde products engineering drawing (or samples, specification, pictures )to me, my engineering department should know its figue, dimension,parameter ,datasheet, purchasing schedule and target price.
Customer information: Also, please provide client's company full information, including company full name, address, website. contact person full name, mobilephone, whatsApp, Wechat, skype,email, etc.
Contact: More my company information, please visit website: www.dernfu.com;  my email: david@)dernfu.com; sales@)dernfu.com;dernfu@)163.com; Mobile phone:  86-0-13825752157. Wechat: 13825752157; WhatsApp: 13825752157 (we can not use WhatsApp current). Skype: dernfu. Expect receive your more inquiry.

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                                           PRODUCT DETAILS
TYPEINPUT VOLTAGEOUTPUT VOLTAGECAPACITYADAPTIVE TRACTION MACHINEBATTARYWEIGHT
DRF-ARD-2P075-4  1000VA2.5AMax. 7.5 KWDC12V7AH *220 kg
DRF-ARD-2P110-4Three phase or single phase Single-phase1250VA3.3AMax. 11 KWDC12V7AH *322 kg
DRF-ARD-2P150-4AC 380VAC 380V / 50 HZ1500 VA4AMax. 15 KWDC12V9AH *323 kg
DRF-ARD-2P185-450/60 HZ 2000VA5.2AMax. 18.5KWDC12V9AH *425 kg
DRF-ARD-2P220-4  2200VA5.7AMax. 22 KWDC12V7AH *826 kg
DRF-ARD-2P300-4  3000VA7.5AMax. 30 KWDC12V7AH *835kg
DRF-ARD-2P075-2  1000VA4.5AMax. 7.5 KWDC12V7AH *220kg
DRF-ARD-2P110-2Three phase or single phase Single-phase1250VA5.7AMax. 11 KWDC12V7AH *322 kg
DRF-ARD-2P150-2AC 220VAC 220V / 50 HZ1500VA6.8AMax. 15 KWDC12V9AH *323 kg
DRF-ARD-2P185-250/60 HZ 2000VA9AMax. 18.5KWDC12V7AH *425 kg
DRF-ARD-2P220-2  2200VA10AMax. 22 KWDC12V9AH *426 kg
        
Short time 300% overload capacity      
High efficiency ring transformer isolated inverter boost, safe and reliable    
AC380V output at the same time, provide AC220V control power supply, support system zero line (n)  
Power failure automatic delay start, delay time adjustable     
Cooperate with the elevator control system to command the elevator to automatically select the light load direction for rescue operation
Constant voltage, constant current, trickle automatic switching intelligent charging, prolong the life of maintenance free lead-acid battery
Innovative internal digital constant voltage control algorithm, dynamic response fast and stable  
Various shutdown modes can be selected      
It has interlock function of brake opening and maintenance operation to ensure the safety of maintenance operation 
Over voltage, under voltage, energy storage, over-current protection to ensure the safety of equipment  
Elevator light fault automatic recovery function is available     

 

























































































































































































































                                           PRODUCT DETAILS
TYPEINPUT VOLTAGEOUTPUT VOLTAGECAPACITYADAPTIVE TRACTION MACHINEBATTARYWEIGHT
DRF-ARD-3P075-4  1000VA2.5AMax. 7.5 KWDC12V7AH *646 kg
DRF-ARD-3P110-4Three-phaseThree-phase1250VA3.3AMax. 11 KWDC12V7AH *646 kg
DRF-ARD-3P150-4AC 380VAC 380V / 50 HZ1500 VA4AMax. 15 KWDC12V7AH *748 kg
DRF-ARD-3P185-450/60 HZ 2000VA5.2AMax. 18.5KWDC12V7AH *748 kg
DRF-ARD-3P220-4  2200VA5.7AMax. 22 KWDC12V9AH *749 kg
DRF-ARD-3P300-4  3000VA7.5AMax. 30 KWDC12V7AH *852 kg
DRF-ARD-3P075-2  1000VA4.5AMax. 7.5 KWDC12V7AH *246 kg
DRF-ARD-3P110-2Three-phaseThree-phase1250VA5.7AMax. 11 KWDC12V7AH *346 kg
DRF-ARD-3P150-2or one-phaseAC 220V / 50 HZ1500VA6.8AMax. 15 KWDC12V9AH *348 kg
DRF-ARD-3P185-2AC 220V 2000VA9AMax. 18.5KWDC12V7AH *448 kg
DRF-ARD-3P220-250/60 HZ 2200VA10AMax. 22 KWDC12V9AH *449 kg
        
        
Power failure emergency device-3p     
It has interlock function of brake opening and maintenance operation to ensure the safety of maintenance operation 
Short time 200% overload capacity      
AC380V output at the same time, provide AC220V control power supply, support system zero line (n)  
Over voltage, under voltage, energy storage, over-current protection to ensure the safety of equipment  
High frequency pulse width modulation control technology of three phase sine wave SPWM   
Constant voltage, constant current, trickle automatic switching intelligent charging, prolong the life of maintenance free lead-acid battery
Innovative internal digital constant voltage control algorithm, dynamic response fast and stable  
Power failure automatic delay start, delay time adjustable     
Type B products support automatic switching to maintenance mode and emergency rescue mode  
Elevator light fault automatic recovery function is available     
Emergency rescue power is isolated and output through step-up transformer to ensure the safety of elevator control system equipment 

 














































































































                                               Villa elevator products
Modelinput and output voltagecapacitysuitable for traction machinebattery packweight  
HH-ARD-2P037-4Three-phase or one-phase1.2A450VAMax. 3.7 KWDC12V 5AH *212 kg  
         
It has interlock function of brake opening and maintenance operation to ensure the safety of maintenance operation  
Elevator light fault automatic recovery function is available     
AC380V output at the same time, provide AC220V control power supply, support system zero line (n)   
Various shutdown modes can be selected      
Cooperate with the elevator control system to command the elevator to automatically select the light load direction for rescue operation
Constant voltage, constant current, trickle automatic switching intelligent charging, prolong the life of maintenance free lead-acid battery
Innovative internal digital constant voltage control algorithm, dynamic response fast and stable   
High efficiency ring transformer isolated inverter boost, safe and reliable    
Automatic delay start of power failure with adjustable delay time    
Over voltage, under voltage, energy storage, over-current protection to ensure the safety of equipment   
Short time 250% overload capacity       

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