| Place of Origin |
Guangdong China (Mainland) |
| Brand Name |
Ming Energy |
| Model Number |
WKT-F2-CH1 |
Configuration of Protection l Over current protection between phases l Grounded fault protection l Precautious fault protection Characteristics of Module l Providing double CPU structure with self-check and cross-check l Providing a large screen LCD in English l Providing RS-422(485) or RS-232 or CAN communication interface and remote operating function l All protection functions can be switched by software l Protection output can be switched by hard pressure board l Applicable in AC or DC power supply l Preset protection constant value can be modified remotely l Fault recording Measuring Functions l Measuring current: IA, IC l Protecting current: Ia, Ib, Ic l Power: P, COS¢ l Frequency: f l Voltage: Uab, Ubc, 3Uo l Electric energy: Kwh, Kvarh Main Technical Parameters Specified current: 1A, 5A Action current value after phase fault: 25-240%le Action current value after grounding fault: 10-105%le Action current value after sensitive grounding fault: 1.0-96%le Reclosure times: once to three times which can be set Action characteristics: random combination of fast and slow Ampere-second curve parameter: 17 curves Fast switching off: 7 time limits that can be adjusted between 0.08-65s Time interval between reclosure: adjustable from 1-60s Reset time: adjustable from 5-180s Contact capacity of output relay: DC220V, 5A Environment temperature permitted: Normal working temperature: 0°C +45°C Utmost working temperature: -10°C- +50°C Anti-interference: Complying with the regulations of GB7261-87 and IEC255 Insulation and voltage withstanding: fulfill the regulations of DL478-92