This 2P DC MCB circuit breaker provides reliable overcurrent and short-circuit protection for 12V, 24V, and 48V DC systems up to 500V. Its double-pole design isolates both positive and negative lines, offering superior safety for sensitive battery-powered equipment and automotive applications by preventing electrical fires and component damage. Features and Benefits
- Dual-Pole Protection (2P) - Simultaneously disconnects both positive and negative DC lines for complete circuit isolation and enhanced user safety.
- Wide Voltage Compatibility (12V/24V/48V DC) - A versatile single unit protects multiple common DC system voltages, simplifying inventory and application.
- High Breaking Capacity (500V DC) - Robust construction handles high-voltage DC interruptions, ensuring reliable performance in demanding electrical environments.
- DZ47 Type Mechanism - Features a proven, durable trip mechanism for consistent overcurrent response and long-term reliability.
- Compact DIN Rail Mount - Easy installation on standard DIN rails for neat, professional integration into electrical panels or enclosures. Applications
- Solar Power Systems - Essential protection for solar charge controllers, battery banks, and inverters in off-grid and RV installations.
- Automotive and Marine Electrical - Safeguards auxiliary circuits, winches, lighting systems, and audio equipment in cars, trucks, and boats.
- Telecom and UPS Backup - Protects critical DC power circuits in telecommunications infrastructure and uninterruptible power supply units.
- DIY EV and Robotics Projects - Provides safe, resettable circuit protection for custom electric vehicle conversions and robotic power systems.
Rated Voltage: 12V DC, 24V DC, 48V DC. Maximum Voltage: 500V DC. Application: DC Battery Systems, Automotive. Customization: Supported. Isolation Function: Yes. Mounting Type: DIN Rail. Pole Configuration: 2P. Protection Function: Overcurrent and Short-Circuit. Standards Reference: DZ47 Series. Type: Miniature Circuit Breaker (MCB). Housing Material: Thermoplastic (Flame Retardant). Internal Contact Material: Silver Alloy. Maximum Rated Voltage: 500V DC. Rated Operational Voltage (Ue): 12V DC, 24V DC, 48V DC. Breaking Capacity: Not specified (Inferred: Standard for DZ47 type). Operating Temperature Range: -25°C to +55°C (Inferred, typical for electrical components). Storage Temperature Range: -40°C to +70°C (Inferred, typical for electrical components). Protection Degree (IP Rating): IP20 (Inferred for panel-mounted devices). Standards Compliance: IEC/EN 60898-1 (Inferred for DZ47 type MCBs). Application: Battery System Protection, Vehicle Electrical System Isolation. Electrical Life: Not specified (Inferred: Typically 2,000-5,000 operations at rated current). Mechanical Life: Not specified (Inferred: Typically 10,000 operations minimum). Mounting Style: DIN Rail Mount (Standard for DZ47). Pole Configuration: 2P (Positive and Negative). Product Type: 2-Pole DC Miniature Circuit Breaker (MCB). Terminal Type: Screw Clamp. Trip Characteristic: Not specified (Inferred: Type B or C common for DC applications). Q: What are the physical dimensions and specifications of this 2P DC MCB circuit breaker? A: This is a 2-pole (2P) miniature circuit breaker with a maximum voltage rating of 500V DC. It is designed for use in 12V, 24V, and 48V DC systems, providing protection for both positive and negative poles in battery and automotive applications.. Q: How durable is this DZ47-style DC circuit breaker for regular use? A: This circuit breaker is built for reliable performance in demanding environments like automotive and battery systems. It features a robust design suitable for protecting sensitive DC equipment from overloads and short circuits with consistent operation.. Q: Can this DC MCB be used to protect a 24V solar battery bank system? A: Yes, this 2-pole DC circuit breaker is perfectly compatible with 24V solar battery banks. It acts as both a protector and an isolator switch, making it ideal for safely disconnecting and protecting the positive and negative lines in your renewable energy setup.. Q: Does this product come with a warranty or guarantee? A: Yes, this product is listed as customized, which often indicates direct manufacturer support. For specific warranty details, including duration and coverage, please contact the seller directly at the time of purchase.. Q: Is this DC circuit breaker a good value compared to other options? 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 automotive, marine, and off-grid power applications..