TOMZN 2P 32A DC MCB 1000V Solar DC Circuit Breaker

TOMZN 2P 32A DC MCB 1000V Solar DC Circuit Breaker

The TOMZN 2P 32A DC MCB 1000V Solar DC Circuit Breaker is the unsung hero of modern solar power systems, offering unparalleled protection and peace of mind in the world of renewable energy. This advanced circuit breaker has been designed to safeguard your solar investment, ensuring that your photovoltaic (solar) system operates smoothly, safely, and efficiently, no matter the scale of the installation. Whether you’re installing a rooftop solar array on your home, setting up a commercial solar farm, or integrating an energy storage system, the TOMZN 2P 32A DC MCB 1000V is the reliable protector your system needs.

Technical Specifications

• Product Name: TOMZN 2P 32A DC MCB 1000V Solar DC Circuit Breaker

• Type: 2-Pole (2P) DC Circuit Breaker

• Rated Current: 32A

• Rated Voltage:

  • DC Voltage: 1000V

• Breaking Capacity:

  • Rated Short-Circuit Breaking Capacity (Icn): 6kA

• Tripping Curve: Type B (for overload protection and short circuit)

• Rated Frequency: 50/60 Hz

• Rated Insulation Voltage (Ui): 1000V

• Rated Impulse Withstand Voltage (Uimp): 8kV

• Contact Configuration: 2-pole (DPST – Double Pole Single Throw)

• Mechanical Endurance: 10,000 operating cycles

• Electrical Endurance: 4,000 operating cycles

• Terminals:

  • Terminal Type: Screw-type terminal

  • Terminal Capacity: 25mm² (max.) cable connection

  • Terminal Torque: 2.5 Nm (recommended)

• Operating Temperature Range: -25°C to +60°C

• Storage Temperature Range: -40°C to +85°C

• Degree of Protection (IP Rating): IP20 (Protected against solid objects larger than 12mm)

• Dimensions:

  • Width: 72mm

  • Height: 87mm

  • Depth: 67mm

• Weight: Approximately 0.5 kg

• Housing Material: Polycarbonate (PC)

• Compliance:

  • IEC 60947-2: International standard for circuit breakers

  • CE Marked: Conformity to European health, safety, and environmental protection standards

  • RoHS Compliant: Free from hazardous substances

Performance Characteristics:

• Short-Circuit Protection:
  The breaker is designed to automatically disconnect the circuit in the event of a short circuit, ensuring the protection of the system components from damage due to excessive current.

• Overload Protection:
  The thermal-magnetic tripping mechanism ensures that the breaker trips in case of an overload, protecting the circuit from sustained overcurrent conditions that could lead to overheating.

• Voltage Resistance:
  With a high voltage rating of 1000V DC, this MCB is suitable for use in large photovoltaic systems, energy storage systems, and industrial-scale solar power applications.

• Fast Reaction Time:
  The breaker reacts instantaneously to faults, ensuring minimal damage to connected equipment and reducing system downtime.

Applications:

• Photovoltaic Solar Power Systems

• Energy Storage Systems (ESS)

• Residential Solar Installations

• Commercial Solar Systems

• Industrial Solar Farms

• Battery Banks for Solar Storage

• Off-grid and Grid-tied Solar Systems