YC7VA Overvoltage and Undervoltage Protector
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YC7VA Overvoltage and Undervoltage Protector
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  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector
  • YC7VA Overvoltage and Undervoltage Protector

YC7VA Overvoltage and Undervoltage Protector

General

Voltage and current display relay is a microprocessor-based voltage monitoring device for sinale-phase AC networks to protect electrical equipment from surge voltage. The device analyzes the main voltage and displays its curent value on a digital indicator. Load is switched by electromagnetic relay. The user can set the current voltage value and delay time through the button.The value is stored in non-volatile memory. Aluminum wires and copper wires can be used for connection.

 
Application
Voltage and current display relay used in administrative, industrial and residential buildings and has the function of protecting single-phase lines:
• Undervoltage protection;
• Overvoltage protection;
• Working under voltmeter mode;
• Overcurrent proteciton.

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Product Details

YC7VA Overvoltage and Undervoltage Protector

General

Voltage and current display relay is a microprocessor-based voltage monitoring device for sinale-phase AC networks to protect electrical equipment from surge voltage. The device analyzes the main voltage and displays its curent value on a digital indicator. Load is switched by electromagnetic relay. The user can set the current voltage value and delay time through the button.The value is stored in non-volatile memory. Aluminum wires and copper wires can be used for connection.

Application

Voltage and current display relay used in administrative, industrial and residential buildings and has the function of protecting single-phase lines:
• Undervoltage protection;
• Overvoltage protection;
• Working under voltmeter mode;
• Overcurrent proteciton.

General

Technical data YC7VA YC7V YC7A
Rated Working Voltage AC 220V
Operation voltage range AC 80V-300V AC 80V-300V
Rated frequency 50Hz/60Hz
Overvoltage(>U)setting range 130-300V
Undervoltage(<U)setting range 80-210V
Rated current 40/63A(subject to prodect label) 1~40/63A(subject to prodect label)
>U and <U trip delay 1-999S Default 30S 0.5S(>Atrip delay)
Reset/start delay 1-999S Default 5S 1~999S
Voltage measurement accuracy 2%(Not exceeding 2%of the overall range) 1%(Not exceeding 1%of the overall range)
Rated insulation voltage 400V
Output contact 1NO
Electrical Life 105 
Mechanical Life 106 
Protection degree IP20
Pollution degree
Altitude ≤2000m
Operating temperature -50℃~55℃
Humidity ≤50%at 40%(without condensation)
Storage temperature -30℃~70℃
   
Current specification 15A 25A 32A 50A 63A
Rated operating current(In,A) 15  25  32  50  63 
Maximum operating current Imax(A,within 10min) 25  30  40  60  80 
Max.power of load(kW) 3.6  5.5  11  13.9 

Set UP menu

YC7VA Overvoltage and Undervoltage Protector Set UP menu

Setting

NO.Option    code Option max min Default  Step Unit Description
P1 Pt Power-on delay 999  1/10 S  
P2 rt Recoverydelay 999  30  1/10 S  
P3 oU Overvoltage 300  130  270  1/10 V Close overvoltage if greater than 300
P4 oUr Overvoltage recovery value 295  125  265  1/10 V Skip this setting when overvoltage is turned
off
P5 uU Undervoltage 210  80  170  1/10 V Close undervoltage if below 80
P6 uUr Undervoltage recoveryvalue 215  85  175  1/10 V Skip this setting when undervoltage is turned
off
P7 Utt Overvoltage action delay 10.0  0.1  0.5  0.1/1.0 S  
P8 UAd Voltage correction +10% -10% 0.5% V Long press settingis not recommended
P9 oC Overcurrent 63.0  1.0  63.0  0.1/1.0 A Close overcurrent if greater than 63.0
P10 Ctt Overflow as delay 10.0  0.1  1.0  0.1/1.0 S  
P11 CC Continuous overcurrent counting 20  Times 0:Turn off counting
P12 CAd Current correction +10% -10% 0.5% A Long press settingisnot recommended
P13 FAd Frequency correction +2.5% -2.5% 0.1% Hz Modifyingthis value will affect the accuracy
ofthe timer
P14 FPd Rapid power failure protection on off on   MS  
P15 dS Display mode   1:Standards
2:Manualswitch
3:Automatic switch
P16 Ar Automatic reset on off on     on:Self-recovery
off:Manual recovery
P17 Act Action/knifemode on off on     on:Protector working properly
off:knife mode
P18 EC Energy saving mode on off off     on:Open
off:Close
P19 Loc Setuplockpassword 999  000  112  1/10   When this value is not 112,you can only view
the parameter and cannot set it

Wiring diagram

YC7VA Overvoltage and Undervoltage Protector  Wiring diagram2
YC7VA Overvoltage and Undervoltage Protector Overall and mounting dimensions8

Overall and mounting dimensions(mm)

YC7VA Overvoltage and Undervoltage Protector Overall and mounting dimensions8
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