Product Details
Din Rail Voltage Motor Protection Relay , Plug In Overload
Protection Relay Parameters Visible
1. Products Description:
- WD series meter are direct acting indicating analogue electrical
measuring instruments. Measuring DC/AC current, voltage, frequency,
power, power factor, phase sequence, synchroscope, position
indication, network insulation moniroting, hours fun meter and
other non-electric measurement;
- Mainly used in various AC/DC transmission and distribution system,
power control panel and electric equipment for various industries
such as marine,rail, aviation, chemical and explosive-proof,nuclear
power, hig/mid voltage equipment, power generator set and control
engineering. It is high end meter, and suitable for complicated
environment to measure electric/non-electric energy;
- Also used on low voltage equipment, construction/mechanical
equipment, various AC/DC power distribution system, electrical
control panel and equipment. It is mid/low end meter, and suitable
for universal environmental to measure electric/non-electrical
energy.
2. Using Instruction:
1). Used for protecting and controlling in generator system;
2). Power consumption: ≤3VA;
3). This relay is convent to use and install. Users should connect
the wire at first in accordance with corresponding wiring scheme
and provide auxiliary power supply for the relay moudle in line
with the specification. Each realy is equipped with the function of
time delay;
4). Parameters visible, users are able to set alarm value according
to demands.
3. Technical Functions:
Item | Technical Data | Standards |
Technical Standard | GB/T7676-1998 | IEC60092-50 |
Environmental Standard | GB8355-1987 | IEC92-504-74 |
Safety Standard | GB4793-20 | IEC61010 |
Working Temperature | -40-65℃ | |
Temperature Infulence | -13-33℃, 100% comply with accuracy class | |
Indicating Angle | 240°-270º (Synchroscope meter: 360º) | |
Color of Shell | Black/white,board frame, terminal plate: black | |
Color of Dial Plate | Black/white(other colors are available) | |
Mounting | Vertical Installation | |
Dimension | 110*110mm, 80*80mm | |
96*96mm, 72*72mm, 48*48mm | |
Overshoot | Less than 20% when scale reaches to 2/3 | |
Insulation Withstand | Circuit& shell: AC2600V/1 min(Water area) | |
Vibration Resistance | 24.5m/s2 | |
Impact Resistance | 147m/s2 | |
Material | Shell/terminal board: ABS; Cover: Transparent Glass |
4. Typical Wiring Diagram

5. Technical Standards:
- WD series analog meter are manufactured according to GB/T7676-1998
and IEC60051. And also meet the safety standard GB4793 and
IEC61010;
- DIN43082 dimensions and penel cutouts conforme to GB/T1242 and
IEC61554;
- Digital meters comply with the National Standard GB/T22264-2008;
Company Profile
Wei Dian Union(Hubei) Technology Co.,Ltd.
Wei Dian Union(Hubei) Technology Co.,Ltd. Located in Optics Valley
of China--- Wuhan East lake high-tech development Zone, established
in 2008, with factory area of 50002 and 120 employees, We are the member of National Standardization
Committee for Electric Meters & Instruments.
Wei Dian Union are specialized in manufacturing electric measuring
instrument and current transformer with a concentration in R&D,
Production, sales & after sales, which guarantee us strictly
comply with standard of GB/T22264-2008 & GB/T7676-98 to
operate. Now , we have ISO9001-2008 certificate, digital meter have
passed CE, while marine meter approved by China Classification
Society (CCS).
Our products are widely used in transmission & distribution
power system of shipping, aviation, railway, oil, chemistry,
metallurgy, electric, power station, intelligent building,
industrial instrument, etc.
Weidian Union has a great team to service domestic & overseas
customers. With the help of university, our technical department
are able to share with the newest techonology to promote upgrade of
products. Our sales team divided into domestic and international
sales, which help customers on pre-selling, sales and after
service, make sure to satisfy diversity demands from customers, the
team always ready in 7*24 hours. Producing & QC department:
Over 3 years' skilled workers,to fulfill the producing, assembling
and adjusting works.
With the principle of “Pursuing for precision and perfection,
unifying thinking and behavior ”, continuous exploration and
innovation to meet customers’ demands. Reliable quality and good
after-service receive more and more trust from users.