MasterPact™ MTZ Circuit Breakers
MasterPact MTZ is a comprehensive range of air circuit breakers, to protect from damage caused by overloads, short-circuits or insulation faults. MasterPact MTZ embeds advanced digital technologies, through MicroLogic X control units, and thus contributes to maximum maintenance and energy efficiencies.
Air circuit breakers setting new benchmarks for safety, efficiency, and sustainability ; helping to meet your daily challenges such as 24/7 uptime demands, and spiraling energy costs in an electrically-driven and digitized world.
Compare MasterPacT MTZ models
Find the breaker that’s right for youRatings | 630 to 6300 A in 3 frame sizes, breaking capacity up to 150 kA, operating voltage up to 690 V |
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Protections | Overcurrent protections (long time, short time, instant) Ground fault protection Event log and trip indicator |
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| Residual current protection, Advanced protections by digital modules |
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Digital connectivity | Modbus SL, Ethernet TCP/IP, Bluetooth, NFC |
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| Zigbee, USB-C |
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| IEC 61850 certified |
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Measurement | Current, voltage, power and energy metering |
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| Class 1 accurate metering, Harmonic and waveform capture |
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Operation and maintenance | Selectivity checks, predictive maintenance and breaker health indications |
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| One-click ERMS (Energy Reduction Maintenance Settings) |
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