VPD-04R รีเลย์ตรวจจับความผิดปกติ
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VPD-04R
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VPD-04R รีเลย์ตรวจจับความผิดปกติ
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04/06/2024 16:10
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VPD-04R 230 volt ac under and overvoltage protection relay
Over and Under voltage % Adjustment
Delay time adjustment
1. Applications: Three- phase undervoltage and Overvlotage Protection
2. Gerenal:
Microprocessor controlled. Three or single phase relay is used in systems exposed to over or under voltage, such as command, control or compensation systems and protects devices such as condensers, motors, air conditioners and compressors. It is divided into sub- categories dependingon the voltage adjustment range, on or off start modes.
Un: 200V 50HZ Neutral
4 wires Star Connection Single Phase
Under Volt. 0.7x Un - 0.95x Un Connection Diagram
Over Volt. 1.05xUn - 1.3x Un
1C/O, 2000VA/8A (Cos=1)
Delay: 0.1s - 20s
3. Function Features:
-When three- phase voltage is normal, the 'Out' LED flash seconds. After the fault recovery time,
setting by potentiometer ' Ton', 'Out' LED turns on, and relay is closed.
When any line voltage is overvoltage, overvoltage failure indicator ' › Un' LED flash seconds
Reaching the fault delay time which setting by 'Toff ', relay disconnect; 'Out' LED turn off
and overvoltage failure indicator ' › Un' LED is turn on. If power recover to normal before the
fault delay time, then relay and 'Out' LED are not act, still closed; When voltage value is 1.3
times higher, without delay, relay immediately disconnect, overvoltage failure 'Un' LED turns on.
When any line voltage is undervoltage, undervoltage failure indicator ' › Un' LED flash seconds
Reaching the fault delay time which setting by 'Toff ', relay disconnect; 'Out' LED turn off and
undervoltage failure indicator ' › Un' LED is turn on. If power recover to normal before the fault
delay time, then relay and 'Out' LED are not act, still closed; When undervoltage value is 0.7 times
lower, without delay, relay immediately disconnect, undervoltage failure 'Un' LED turns on.
When the voltage recover from the fault status to normal, the 'Out' LED flash seconds, fault
recover time which is setting by 'Ton' has reached, then the relay close and output, 'Out' LED
turns on; If the overvoltage and undervoltage happen before the reaching of fault recovery time,
'Out' LED are not act, still disconnected; over voltage and under voltage indicator light on.
4. Technical Data:
Measurement and Supply Circuit
Supply Voltage (Un)
220, 230VAC
400 VAC
Supply Frequency
50HZ
Power Consumption (max.)
30VA/2W (50HZ.)
Measurement Method
True RMS
Settings
Over Voltage Setup (Umax.)
1,05...1,30x Un (% Scale)
231 ... 286 VAC
420... 520 VAC
Under Voltage Setup (Umin..)
0,7...0,95 x Un (% Scale)
154... 209 VAC
280... 380 VAC
Hysteresis (for Umax. and Umin.)
1%x Un
Delay-Off (Delay) Toff
0.1 ... 20 sec. (›1.3* Un or 0.7*Un, 0.1Sec)
Delay-On (Delay) Ton
0.1 ... 20 sec.
Voltage Adjustment Accuracy
±3%
Repetition Accuracy (Voltage)
±5%
Accuracy of the Set Times
±5%+100 msec.
Repetition Accuracy (Time)
±3%
Output
Output type
1 inverter, 8A, 250V, 2000VA (Cos= 1)
Electrical life
10^5
Mechanical life
10^7
Ambient Condition
Operation Temperature
-5℃...+55℃
Relative Humidity
<%90 ( without condensation)
Connection
Cable cross- section for terminal
Screw-on force
4mm2 (12 AWG) standard rigid cable
6mm2 (10 AWG) solid conductor cable
2x2.5mm2 (14 AWG) solid conductor cable
0.5Nm (4.5 in.lbs)
Body
Installation
Inside the panel vertically or on the rail
Material type
Plastic consistent with UL94 VO
Protection class
IP 20 (for terminal), IP40 (front panel)
Dimensions
Type PK 28
Weight
100 gr.
Standard
EN-60255-6
Product standard
EN-61000-6-2
Immunity
EN-61000-6-3, EN-61000-6-4
Emission
Directives / Regulations to be followed
73/23/ECC
LVD
89/336 / ECC
EMC
Isolation
Isolation voltage (EN 60255-5)
400V
Isolation Coordination (EN 60255-5)
Exceeding Voltage category III
Pollution degree 3
Instant Burst Voltage (EN 60255-5)
4kV 1.2 / 50 uS
Dielectric Resistance (EN 60255-5)
2kV AC 50 Hz. 1 minute.
Isolation Resistance (EN 60255-5)
›500 MOHM / 500 V DC
Tags : VPD-04R รีเลย์ตรวจจับความผิดปกติ
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