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10kW 200Ohm Stainless Steel Grid Resistor, for building up Neutral Grounding Resistor
Structure:
1.ZENITHSUN stainless steel grid resistor is made of low
temperature coefficient alloy sheet. According to the requirements
of customers,stamped into different sizes and shapes, and combined
in series and parallel.
2. Resistors sheets are separated by insulating material or fixed
by shaped high-temperature resistant porcelain pad.
3. The leading out are stainless steel terminals, which can be
tapped for customer connection.
Feature:
1. Reliable stainless steel resistor elements and terminals.
2. Robust, long service life.
3. Compact / light, save space, weight and cost.
4. Stable resistance over wide temperature ranges.
5. Consult factory for techincal data.
Application:
ZENITHSUN Stainless Steel Grid Resistors are suitable for AC or DC
high current applications.
The most common application fields are motor control, braking and
speed regulation, and can also be used for neutral grounding,
harmonic filtering and load banks solutions;
The rugged structure is especially suitable for heavy equipment in
industries with high impact and strong vibration, environment, such
as port / wharf industrial control crane, mining equipment, oil
drilling, construction tower crane and other application fields of
lifting, speed regulation, dynamic braking or long-term load.
The unit is an ideal product for continuous use under extreme
conditions (high vibration, high temperature and corrosive
environment). The metal sheet can ensure the continuous use and the
minimum resistance value fluctuation.
ZENITHSUN can provide customer with personalized design to better
meet your needs, so as to greatly save space and cost.
Specification:
Test | Conditions of Test | Testing Results |
Resistance Tolerance | Testing Voltage ≤3V,Ambient Temperature 25℃ | F--G--J--K |
Temperature Coefficient | R0:Room Temperature(T0)Resistance Value R1:Room Temperature T0+100℃(T1)Resistance Value | ±100~±250PPM/℃ |
Rated Load | 40℃,rated voltage,1hour | △R≤±(3%+0.1Ω) |
Short Time Overload | 5 times rated power for 10s | △R≤±(0.2%+0.1Ω) |
Dielectric Withstand Voltage | 1000V DC | ≥10GΩ1Min |
Insulation Resistance | 500V DC | No off |
Terminal Tensile Strength | 40N | No off |
Vibration resistance | 1.5mm,10-55-10Hz,each 2hours | No damage,No off |
Load Life | at rated voltage,90 min "On",30 min "Off" ,total 500hours | △R≤±(3%+0.1Ω) |
Low Temperature Resistance Testing | store at -65℃±3℃ for 2H | △R≤±(1%+0.1Ω) |
High Temperature Resistance Testing | store at 70 ℃± 2 ℃ for 16h, connect the rated voltage DC circuit for 1s | △R≤±(1%+0.1Ω) |
Non-flammability | 10 times rated power, power on for 5s | without combustion |
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