MCCB - TMMC6-250
TMMC6-250 is designed for power distribution protection with rated current up to 250A, suitable for industrial and commercial electrical systems.
Integrates long-time delay overload protection, short-circuit instantaneous protection, undervoltage protection, phase-loss protection and temperature protection.
Equipped with multiple communication interfaces including:
2 × RS485 (DL/T698, DL/T645 protocols)
HPLC power line carrier communication
HRF radio frequency communication
Bluetooth (BLE 4.2)
MCCB up to 250A
Multi-layer protection functions
RS485 / HPLC / RF / BLE communication
Overvoltage / undervoltage / phase loss protection
Temperature protection system
Real-time electrical measurement
Inverse time & instantaneous tripping
Smart monitoring ready
Industrial grade design
Features of Products
| Measurement function | ||||||
| Current measurement | ||||||
| Measurement method: | ||||||
| The measured instantaneous current values (effective values)include:IA,IB,IC. | ||||||
| 1)Current measurement range:IA,IB,IC:0.004Tn~0.011n. | ||||||
| Current measurement accuracy:±0.75%; | ||||||
| 2)Current measurement range:IA,IB,IC:0.01In~1.2In. | ||||||
Current measurement accuracy:±0.5%; |
| Voltage measurement | |
| Phase voltage refers to Ua,Ub,and Uc,which measure the voltage between the phase and neutral lines; | |
| Measurement method:effective value measurement; | |
| Measuring range:phase voltag 0.65-1.2Un; | |
| Measuring acuracy:±0.5%。 |
| Voltage measurement | |
| Phase voltage refers to Ua,Ub,and Uc,which measure the voltage between the phase and neutral lines; | |
| Measurement method:effective value measurement; | |
| Measuring range:phase voltag 0.65-1.2Un; | |
| Measuring acuracy:±0.5%。 |
Power Measurement
| Power Factor | Current value | Active Power Measurement accuracy | Reactive power Measurement accuracy | |||
| 1.0L | 0.01In≤I<0.05In | +1% | +1% | |||
| 1.0L | 0.05In≤l<1.2In | ±0.5% | ±0.5% | |||
| 0.5L/0.8C | 0.02In≤I<0.1In | ±1% | ±1% | |||
| 0.5L/0.8C | 0.1In≤l<1.2In | ±0.6% | ±0.6% | |||
| Energy measurement | ||
| 1.Thre-phase and total actve power,0.5SIevel.threephase and total reactive power.level2 | ||
| 2 Support timed frezing dail frezing,an frezing in response to superior instructions | ||
| 3.Electric energy storage:with functions of hourly freezing,daily freezing and monthly settlement; | ||
| It can also record the latest 254 hourly freezing records,the latest 62 daily freezing records,7-day load | ||
| recording function,and store the total electric energy at zero o’clock on the 1st of each month 12 times. |
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