120W Boat Sharp Dynamic Braking Resistor Metal Clad High Power
120W Boat Sharp Metal Clad High Power Dynamic Braking Resistors
Structure
1.High Power & small in size,preferred products for frequency converter,servo & numerical control industry.
2.Anti-seismic type Aluminum Housing Resistor,small size,high power,fast heat dissipation,can be used with cooling device.
3.With High Power&small in size,high stability,impact resistance and easy installation,good reliability & high consistency.
Features
1.Durable,vibration-proof,dissipates heat well and low temperature coefficient with resistance varying in direct proportion.
2.High stability,impact resistance and easy installation;Good reliability & high consistency.
3.For non-standard technical requirements and custom special applications,please contact us to discuss the details.
4.Conforms to the ROHS standard and the LEAD-FREE non-lead standard.
Specification
| Performance Charactertics | ||
| Test | Conditions of Test | Testing Results |
| Resistance Tolerance | Testing Voltage ≤3V,Ambient Temperature 25℃ | B---D---F---G---J--K |
| Temperature Coefficients | 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;10 times rated power for 5s;25 times rated power for 1s | △R≤±(2％+0.1Ω) |
| Dielectric Withstand Voltage | 2 times Rated Power Voltage +1kv AC 60s (with grounding), leakage current 2.5mA ; 2 times Rated Power Voltage +2kv AC 60s (with grounding), leakage current 2.5mA ; |
△R≤±(0.1％+0.05Ω) |
| Insulation Resistance | 1000V DC | 50M-1000MΩ1Min |
| Terminal Tensile Strength |
wire diameter ≤1.5 with 20N,wire diameter ≥1.5 with 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) |
| Thermal Shock | At 30℃,30min,-55℃,15min | △R≤±(0.5％+0.1Ω) |
| Humidity Resistance | Temp.:40±2℃ ,Humidity: 90％-95％.240hours | △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 |
Applications
Widely used in frequency converter,elevator,hoisting,ship,electric power,welding,power supply,military industry,aviation,
wind power generation,solar power generation,automation equipment, railway system and other industries.
Products Image
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.