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50R2002 PDF预览

50R2002

更新时间: 2024-11-06 14:56:35
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
3页 248K
描述
When a harmful condition is detected, the output relay is deactivated after a specified trip delay

50R2002 数据手册

 浏览型号50R2002的Datasheet PDF文件第2页浏览型号50R2002的Datasheet PDF文件第3页 
Voltage Monitoring Relays  
50R Series  
Single-Phase Voltage Monitor  
Description  
The 50R series is a single-phase voltage monitor with a voltage-sensing circuit that constantly monitors the single-phase  
power for a low-voltage condition. When a harmful condition is detected, the MotorSaver® deactivates its output relay after  
a specified trip delay. The output relay reactivates after power line conditions return to an acceptable level and a specified  
amount of time has elapsed (restart delay). The trip delay prevents nuisance tripping due to rapidly fluctuating power line  
conditions. This monitor is used in a variety of applications such as compressors, air conditioners, heat pumps, well pumps,  
sump pumps, and small conveyer motors.  
Features & Benefits  
FEATURES  
BENEFITS  
Proprietary voltage sensing circuitry  
Constant monitoring of single-phase power for a low-voltage condition  
Adjustable trip delay (-3 models) and restart delay  
(-2 models) settings  
Prevents nuisance tripping due to rapidly fluctuating power line  
conditions, allows staggered start-up of multiple motors after a fault  
Trips and resets at a fixed percentage of the setpoint: trip 110%,  
reset 107%  
High-voltage detection (-9 models)  
Eliminates the need for a control transformer to step voltage down  
to 120–240 V for a control circuit  
600 V rated relay contacts available on some models  
Applications  
• Fan motors  
• Air conditioners  
• Compressors  
• Heat, well, and sump pumps  
• Small conveyer motors  
Littelfuse.com/50R  
©2023 Littelfuse, Inc.  
Specifications are subject to change without notice.  
1 of 3  
Revised: 07/11/2023  

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