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D.M.C.R is a protective device that integrates gas protection,overvoltage protection, temperature display and temperature control,and has remote control functions.It is suitable for oil-immersed transformers and oil-immersed reactors
Technical Parameters:
✦ Ambienttemperature:-45℃~50℃;
✦ Allowable working temperature:-45℃~105℃;
✦ Relative humidity:no more than 95%at 20℃;
✦ Maximum allowable temperature of internal fluid:120℃;
✦ Magnetic flux leakage at the top of the fuel tank:no more than 20×10".
✦ Working voltage(AC,DC):220V,110V;
✦ Pressure protection point:35kPa
✦ Action gas release volume:≥165±10ml;
✦ The thermometer shows the temperature range:30℃~120℃;
✦ Temperature control point of thermostat:85℃,95℃;
✦ Sealing pressure:∠85kPa;
✦ Exhaust pressure:5±2kPa (the valve closes automatically after the cavity is full of oil)
Cracking pressure parameters of pressure relief valve
| ffective calbe(mm) | opening pressure | opening pressure devlation(kPa) | Closing | Sealing |
| (kPa) | pressure(kPa) | pressure(kPa) | ||
| φ25 | 15 | ±5 | B | 9 |
| 25 | 13.5 | 15 | ||
| 35 | 19 | 21 |
Electric switch contact capacity
| Power supply Power supply | Load | voltage(v) | Gas detecion contact capacity(A) | Pressure switch contact capacity(A) | Thermostat contact capacity(A) | Ilustrate |
| AC | Resistive | 220110 | 1 | 5 | 1 | Power factor CoSo<0.6 |
| Inductive | 220110 | 1 | 3 | 3 | ||
| AC | Resistive | 220110 | 0.5 | 0.5 | 0.5 | Time constant ss5×10's |
| Inductive | 220110 | 0.5 | 0.5 | 0.5 |
EN
