The MidNite Solar Din Rail Mount Breaker MNEPV is a high-performance DC circuit breaker specifically designed for photovoltaic (PV) systems and renewable energy installations. Engineered for safety, reliability, and long-term durability, the MNEPV series is ETL evaluated to 150VDC and listed for use in the US and Canada, making it ideal for professional solar installations that demand compliance and performance.
Commonly used in E-Panels, BabyBox enclosures, PV combiners, and inverter systems, this breaker mounts easily on any standard DIN rail and is available in multiple current ratings: 10A, 15A, 20A, 30A, 63A, and 80A.
Features & Benefits
- ETL Evaluated to 150VDC : Certified for solar DC applications, ensuring safe and compliant installations for professional PV systems.
- Designed Specifically for Solar Use : Unlike standard CBI QY breakers, the MidNite Solar MNEPV series meets solar industry performance standards.
- Full Rated Load Interruption : Engineered to repeatedly break the full rated current at rated voltage without damage, enhancing long-term reliability.
- 100% Continuous Current Rating : Can operate at its full rated amperage when installed inside a MidNite enclosure, reducing derating concerns.
- DIN Rail Mount Design : Fits any standard DIN rail for quick, secure, and clean installation in combiner boxes and inverter panels.
- Wide Ampere Options (10A:80A) : Flexible current ratings allow proper protection for small residential systems up to large commercial solar arrays.
- Polarized DC Configuration : Ensures correct DC wiring by requiring the positive conductor to connect to the “+” terminal, improving safety.
- Compatible with Major Solar Enclosures : Works with MidNite Solar E-Panels, BabyBox enclosures, and PV combiners, as well as Magnum Energy and OutBack Power systems.
- Durable & High-Torque Terminals : 20 In-Lbs (2.3 Nm) torque rating provides secure wire connections, minimizing loose-contact failures.
- Reliable DC Disconnect Solution : Ideal for safe isolation of PV arrays, inverters, and battery banks in off-grid and hybrid solar systems.
Use Cases
- PV Array Protection : Installed in solar combiner boxes to protect individual panel strings from overcurrent and short circuits.
- Inverter DC Disconnect : Used between the solar array and inverter to provide a safe and reliable manual disconnect point during maintenance.
- Battery Bank Protection : Protects battery banks in off-grid and hybrid systems from overloads and fault currents.
- Charge Controller Isolation : Ensures safe servicing and protection of MPPT or PWM charge controllers.
- E-Panel & BabyBox Installations : Commonly used inside MidNite Solar E-Panels and BabyBox enclosures for integrated system protection.
- PV Combiner Applications : Compatible with MidNite Solar and OutBack Power PV array combiners for string-level safety.
- Off-Grid Solar Systems : Essential for rural electrification projects and standalone solar setups where safe DC isolation is critical.
- Hybrid Solar Systems : Supports installations combining solar, battery storage, and generator backup systems.
- Telecom & Remote Installations : Suitable for solar-powered telecom towers and remote monitoring stations requiring dependable DC protection.
- Rapid Shutdown Systems (600VDC Models) : Versions with remote-trip actuator can be integrated into rapid shutdown configurations for enhanced safety compliance.
Value Propositions
- Solar-Specific Compliance : ETL evaluated to 150VDC, ensuring it meets the safety expectations required for professional photovoltaic installations.
- Trusted Renewable Brand : Manufactured by MidNite Solar, a globally recognized name in solar balance-of-system components.
- Engineered for DC Performance : Designed to safely interrupt full rated DC load repeatedly without damage, reducing failure risks.
- 100% Rated Current Operation : Can run at full rated amperage inside MidNite enclosures, maximizing system capacity without unnecessary derating.
- Long-Term Reliability : Built for demanding solar environments, minimizing maintenance and replacement costs over time.
- Installer-Friendly Design : DIN rail mount format ensures fast installation and compatibility with standard solar enclosures and combiner boxes.
- System Protection Assurance : Safeguards high-value components such as inverters, charge controllers, and battery banks.
- Reduced Downtime Risk : Reliable overcurrent protection helps prevent system shutdowns caused by DC faults.
- Scalable Options (10A:80A) : Multiple amp ratings allow precise system sizing for residential, commercial, and industrial solar projects.
- Ideal for Growing Solar Markets : Well-suited for expanding off-grid and hybrid solar installations where safety and durability are critical.
Local Market Positioning in Tanzania
- Supports Rapid Solar Growth : Ideal for Tanzania’s expanding solar energy adoption in residential, commercial, and rural electrification sectors.
- Reliable Off-Grid Protection : Perfect for off-grid homes, clinics, schools, and community solar projects where dependable DC isolation is essential.
- High-Temperature Performance : Designed to withstand the high ambient temperatures common in many regions of Tanzania.
- Suitable for Diverse Solar Systems : Works with small rooftop PV arrays, telecom solar sites, hybrid solar-battery systems, and larger commercial installations.
- Compliance Confidence for Installers : ETL evaluated and listed, giving local EPC (Engineering, Procurement & Construction) contractors assurance of safety and professional acceptance.
- Enhances System Safety : Provides critical overcurrent protection for inverters, charge controllers, and batteries in Tanzania’s varied solar applications.
- Scalable for Local Needs : Available in multiple ampere ratings (10A:80A), allowing accurate sizing for household to industrial solar projects.
- Durable for Challenging Conditions : Robust design helps tolerate dust, heat, and frequent load changes typical in East African solar installations.
- Supports Reliable Power Access : Helps reduce downtime and ensure stable solar power delivery in areas with irregular grid availability.
- Good Value for Long-Term Investment : Minimizes maintenance and replacement costs, providing strong lifecycle value in Tanzania’s emerging renewable market.
Technical Specification
| Specification | Details |
|---|---|
| Product Name | Midnite Solar Din Rail Mount Breaker MNEPV |
| Brand | MidNite Solar |
| Current Ratings | 10A, 15A, 20A, 30A, 63A, 80A |
| Voltage Rating | 150 VDC (ETL evaluated for DC solar applications) |
| Mounting Type | Standard DIN rail |
| Continuous Current Rating | 100% rated current in MidNite enclosures |
| Polarity | Polarized (positive wire to “+” terminal) |
| Torque Value | 20 In-Lbs (2.3 Nm) |
| Full Load Breaking Capacity | Rated to interrupt full rated load at rated voltage repeatedly |
| Certifications | ETL Listed – US & Canada |
| Application | Solar PV systems, inverters, battery banks, PV combiners, off-grid systems |
| Compatible Enclosures | MidNite Solar E-Panels, BabyBox, Magnum Energy, OutBack Power PV combiners |
| Operating Temperature | Suitable for high ambient temperatures common in Tanzania |
| Use Cases | PV array protection, inverter DC disconnect, battery bank protection, charge controller isolation |













