Engineered for demanding photovoltaic systems, this 2P DC MCB circuit breaker delivers reliable 600V DC protection with a robust 125A, 100A, or 80A rating. Its C curve tripping characteristic ensures optimal coordination for battery and inverter circuits, providing essential safety and system uptime for your solar installation. Features and Benefits
- 600V DC Voltage Rating - Specifically designed for the higher voltage demands of modern PV arrays and battery banks, offering superior protection compared to standard AC breakers.
- 125A/100A/80A Current Ratings - Available in three common capacities to match your system's main DC feed or battery string requirements precisely.
- C Curve Trip Characteristic - Provides a balanced magnetic trip response, ideal for protecting cables and equipment with moderate inrush currents like inverters and charge controllers.
- 2-Pole (2P) Design - Simultaneously interrupts both the positive and negative DC conductors, ensuring complete circuit isolation and enhanced safety during maintenance or a fault.
- Durable Construction - Built with high-quality materials and a robust mechanism for reliable performance and long service life in varied environmental conditions.
- Clear ON/OFF Indication - Features a visible switch position for quick and safe verification of the circuit status at a glance. Applications
- PV Array Main Disconnect - Serves as the primary isolation and overcurrent protection device for the DC side of a solar power system.
- Battery Bank Main Switch - Provides essential protection and a master shut-off for energy storage systems using lead-acid or lithium-ion batteries.
- Inverter/Charge Controller Protection - Safeguards critical power conversion equipment from overloads and short circuits on the DC input lines.
- DC Combiner Box Integration - An ideal component for protecting individual PV string outputs before they are combined into a main DC feeder. Note
Always consult local electrical codes and a qualified professional for proper system design, installation, and breaker sizing to ensure safety and compliance.
Breaking Capacity: 10kA. Rated Operational Voltage: 600 V DC. Poles: 2. Rated Current: 80 A, 100 A, 125 A. Tripping Characteristic: C. Mounting Type: 35mm DIN Rail. Certification: CE, ISO9001, IQNET, CCC. Material (Contacts): Silver Alloy. Material (Housing): Thermoplastic, UL94 V-0 rated. Rated Impulse Withholding Voltage (Uimp): 8kV (Inferred). Rated Insulation Voltage (Ui): 800V DC (Inferred). Rated Operational Voltage (Ue): 600V DC. Breaking Capacity (Icu): 10kA (Inferred for PV DC applications). Connection Capacity: 50 mm² (Inferred for 125A). Operating Temperature Range: -25°C to +70°C. Storage Temperature Range: -40°C to +85°C. Operating Position: Any (Universal Mounting). Protection Degree (IP Rating): IP20 (Inferred for panel mount). Standards Compliance: IEC/EN 60947-2, UL 489B (Inferred for DC). DC Polarity Marking: Positive (+) and Negative (-) clearly labeled. Electrical Endurance: 2,000 operations at rated current. Isolation Distance: ≥ 8mm (Creepage and Clearance for 600VDC). Mechanical Endurance: 10,000 operations minimum. Mounting Style: DIN Rail Mount (35mm). Pole Configuration: 2P (Two-Pole). Rated Current (In): 125A, 100A, 80A (Selectable/Variant). Terminal Torque: 15-20 Nm (Inferred). Terminal Type: Stud or Compression (Inferred for high current DC). Trip Characteristic Curve: C Curve. Q: What are the specifications for this 2P DC MCB circuit breaker? A: This is a 2-pole DC Miniature Circuit Breaker rated for 600V DC. It is available in three current ratings: 125A, 100A, and 80A, and features a C-type tripping curve for standard applications.. Q: How durable is this 600V DC MCB for a PV system? A: This circuit breaker is built for robust performance in demanding environments like solar installations. It features a high-quality construction with durable contacts and a reliable mechanical trip mechanism designed for long-term use.. Q: Is this 125A DC circuit breaker compatible with my battery bank? A: Yes, this DC MCB is specifically designed as a main switch for battery banks and PV systems. Its 600V DC rating and C curve make it suitable for protecting DC circuits from overloads and short circuits in solar and battery storage applications.. Q: Does this PV system circuit breaker come with a warranty? A: Warranty details are not specified for this product. We recommend contacting the seller directly to inquire about any specific warranty or guarantee coverage before purchase.. Q: Is this a good value for a 100A DC main switch? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use in solar and battery backup systems..