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Solar PV DC Molded Case Circuit Breaker 2P DC500V 100A 150A 250A

The BSM1 DC MCCB molded case circuit breaker is designed for photovoltaic DC power systems, battery energy storage systems, DC distribution cabinets, and solar inverter protection circuits.
It supports DC500V rated voltage and current options such as 100A, 150A, and 250A. With strong breaking capacity, flame-retardant housing, reliable contact structure, and clear ON/OFF indication, this DC MCCB provides stable overload and short-circuit protection for solar PV and industrial DC applications.

Solar PV DC Molded Case Circuit Breaker 2P DC500V 100A 150A 250A

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Key Features Technical Specifications Applications FAQ

  • Designed for solar PV DC power systems
  • Rated voltage: DC500V
  • Current options: 100A / 150A / 250A
  • Pole option: 2P
  • Molded case structure for high current protection
  • Overload and short-circuit protection
  • Fast trip response when current is abnormal
  • Flame-retardant insulating housing
  • Clear red ON / green OFF indication window
  • Suitable for vertical or horizontal installation
  • Reliable terminals for high-current wiring
  • Suitable for solar, battery, and industrial DC systems

ItemSpecification
Product NameSolar PV DC Molded Case Circuit Breaker
Product TypeDC MCCB
ModelBSM1 Series
Rated VoltageDC500V
Rated Current100A / 150A / 250A
Pole2P
Rated FrequencyDC
Breaking Capacity20kA
Rated Insulation Voltage500V DC
Impulse Withstand Voltage8kV
Arc Extinguishing MethodMagnetic Blowout
Contact MaterialSilver Alloy Contact
Rated Temperature+40°C
Installation MethodVertical / Horizontal Installation
Protection FunctionOverload and Short-Circuit Protection
ApplicationSolar PV, DC distribution, battery system


This DC MCCB is suitable for:

  • Solar photovoltaic DC systems
  • Solar inverter DC side protection
  • Battery energy storage systems
  • DC distribution cabinets
  • Photovoltaic combiner boxes
  • Industrial DC power systems
  • Off-grid solar systems
  • High-current DC circuit protection


Q1: Is this product an MCB or MCCB?

This product is a DC MCCB, also called a DC molded case circuit breaker. It is suitable for higher current DC protection than a standard miniature circuit breaker.

Q2: Can it be used for solar PV systems?

Yes. It is designed for photovoltaic DC circuits and can be used in solar PV systems, inverter DC protection, and battery energy storage systems.

Q3: What current ratings are available?

Common current options include 100A, 150A, and 250A.

Q4: What is the rated voltage?

The rated voltage is DC500V.

Q5: What protection functions does it provide?

It provides overload protection and short-circuit protection for DC circuits.


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Key Features
  • Designed for solar PV DC power systems
  • Rated voltage: DC500V
  • Current options: 100A / 150A / 250A
  • Pole option: 2P
  • Molded case structure for high current protection
  • Overload and short-circuit protection
  • Fast trip response when current is abnormal
  • Flame-retardant insulating housing
  • Clear red ON / green OFF indication window
  • Suitable for vertical or horizontal installation
  • Reliable terminals for high-current wiring
  • Suitable for solar, battery, and industrial DC systems
Technical Specifications

ItemSpecification
Product NameSolar PV DC Molded Case Circuit Breaker
Product TypeDC MCCB
ModelBSM1 Series
Rated VoltageDC500V
Rated Current100A / 150A / 250A
Pole2P
Rated FrequencyDC
Breaking Capacity20kA
Rated Insulation Voltage500V DC
Impulse Withstand Voltage8kV
Arc Extinguishing MethodMagnetic Blowout
Contact MaterialSilver Alloy Contact
Rated Temperature+40°C
Installation MethodVertical / Horizontal Installation
Protection FunctionOverload and Short-Circuit Protection
ApplicationSolar PV, DC distribution, battery system


Applications

This DC MCCB is suitable for:

  • Solar photovoltaic DC systems
  • Solar inverter DC side protection
  • Battery energy storage systems
  • DC distribution cabinets
  • Photovoltaic combiner boxes
  • Industrial DC power systems
  • Off-grid solar systems
  • High-current DC circuit protection


FAQ

Q1: Is this product an MCB or MCCB?

This product is a DC MCCB, also called a DC molded case circuit breaker. It is suitable for higher current DC protection than a standard miniature circuit breaker.

Q2: Can it be used for solar PV systems?

Yes. It is designed for photovoltaic DC circuits and can be used in solar PV systems, inverter DC protection, and battery energy storage systems.

Q3: What current ratings are available?

Common current options include 100A, 150A, and 250A.

Q4: What is the rated voltage?

The rated voltage is DC500V.

Q5: What protection functions does it provide?

It provides overload protection and short-circuit protection for DC circuits.


Solar PV DC Molded Case Circuit Breaker 2P DC500V 100A 150A 250A
The BSM1 DC MCCB molded case circuit breaker is designed for photovoltaic DC power systems, battery energy storage systems, DC distribution cabinets, and solar inverter protection circuits.
It supports DC500V rated voltage and current options such as 100A, 150A, and 250A. With strong breaking capacity, flame-retardant housing, reliable contact structure, and clear ON/OFF indication, this DC MCCB provides stable overload and short-circuit protection for solar PV and industrial DC applications.
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