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Siemens SpeedFax MBK125

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MBK125

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The Siemens MBK125 is a main circuit breaker from the SpeedFax series, designed for reliable electrical system management. Rated at 125 A, this unit operates at 120/240 VAC with a power capacity of up to 70 kW, offering essential functionality in various applications.

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Technical specifications for MBK125

ManufacturerSiemens
Product TypeMain Circuit Breaker
Product LineSpeedFax
Part NumberMBK125
UPC783643267480
Rated Current125 A
Number of Poles2 Poles
Power Rating70 kW
Interrupt Rating22 kA
Rated Frequency60 Hz
Housing MaterialAluminum
Phase Type1 Phase
Rated Voltage120/240 VAC
Storage Humidity80% (non-Condensing)
Operating Humidity80% (non-Condensing)
Installation Altitude1000 MSL

The Siemens MBK125 main circuit breaker is part of the SpeedFax series, engineered to provide efficient current control in various electrical installations. This circuit breaker is rated for a current of 125 amperes and operates on a 1-phase supply with a voltage rating of 120/240 VAC. It effectively supports loads with a power rating of 70 kilowatts.

This device is constructed from aluminum, providing a lightweight yet sturdy housing. It includes two poles, enhancing its capacity and application flexibility. With an interrupt rating of 22 kiloamperes, the MBK125 ensures robust protection against electrical faults by safely disconnecting the circuit when necessary. The functional design operates at a nominal frequency of 60 Hz.

When considering environmental conditions, this model can withstand humidity levels of up to 80% in both operating and storage environments, without condensation. For geographical suitability, this breaker can be installed at altitudes of up to 1000 meters above sea level, making it versatile for various locations and conditions.