MNEACQZD

MNEACQZD – MidNite Solar DIN Rail Mount 277VAC Single Pole Breaker

• In the growing renewable energy market of the USA, reliable circuit protection is non-negotiable.
• Whether you're installing a residential solar system, upgrading a commercial electrical panel, or configuring an off-grid application, dependable overcurrent protection is essential to ensure both safety and compliance.
• The MNEACQZD by MidNite Solar is designed to meet this critical demand, offering robust performance in a compact, DIN-rail mounted format.

Overview of the MNEACQZD Breaker

• The MNEACQZD is a single pole, DIN rail mount breaker engineered for 277VAC supplementary protection.
• It is available in a range of amperage options including 15A, 20A, 30A, 50A, and 60A, allowing solar professionals, electricians, and system designers the flexibility to tailor circuit protection to the specific requirements of their systems.
• This breaker is UL 1077 listed for supplementary protection and is tested to handle 100% of its rated current continuously when mounted in a MidNite Solar enclosure.
• With a compact width of only 0.5 inches (13mm), the MNEACQZD conserves valuable space in enclosures while maintaining powerful overcurrent interruption capability.

Key Features and Unique Selling Points

• Single Pole Design: Optimized for 277VAC AC circuits needing supplementary overcurrent protection.
• DIN Rail Mount: Quick and secure mounting in standard DIN rail enclosures for ease of installation and maintenance.
• Wide Amp Range: Available in 15A, 20A, 30A, 50A, and 60A to accommodate various circuit sizes.
• High Interrupt Rating: Offers a 3,000 AIC (Ampere Interrupt Capacity) for reliable fault interruption.
• UL 1077 Listed: Meets industry safety standards for supplementary circuit protection in the US and Canada.
• Continuous Operation Certified: Rated for full load operation at maximum voltage with no degradation.
• Compact Size: At just 0.5 inches (13mm) in width, it enables dense configuration of multiple breakers.
• Indoor Rated: Environmental rating Type 1 for use in protected indoor environments.

Technical Specifications

• Product Name: MNEACQZD
• Brand: MidNite Solar
• Voltage Rating: 277VAC
• Mounting Type: DIN rail
• Breaker Type: Single Pole
• Amp Options: 15A, 20A, 30A, 50A, 60A
• Interrupt Rating: 3,000 AIC
• Breaker Torque: 20 In-Lbs (2.3Nm)
• Width: 0.5 inches (13mm)
• Environmental Rating: Type 1 (Indoor use only)
• Certifications: UL 1077 Listed, Approved for US & Canada

Benefits of Using the MNEACQZD

• Space Efficiency: With only 13mm width, multiple units can be installed side-by-side in tight enclosures.
• Versatility: Supports a range of applications from solar systems to general AC distribution circuits.
• High Durability: Engineered for continuous duty operation without performance loss.
• Code Compliance: Fully listed and certified for use in the USA and Canada.
• Installer-Friendly: Tool-less DIN rail mounting makes it fast and easy to deploy in the field.
• Enhanced Safety: Offers precise protection against overloads and short circuits, reducing fire risk.

Applications and Use Cases

The MNEACQZD is designed for diverse applications in both residential and commercial electrical setups. Here are some common use cases where this breaker excels:

• Solar Inverter AC Output Protection: Safeguards 277VAC lines from inverter systems to load centers.
• Lighting Panels and Commercial Fixtures: Used in large-scale lighting systems that operate on 277VAC.
• Battery Backup Systems: Protects circuits in energy storage solutions and hybrid solar systems.
• Industrial Control Panels: Provides compact protection for sensitive electronic control equipment.
• Load Center Upgrades: A perfect replacement or addition to existing panels requiring DIN rail configuration.

Installation Guidelines

• Ensure that the breaker is matched with the correct amperage for your circuit.
• Always install in an environment rated for Type 1 (indoor use only).
• Mount the breaker securely onto a DIN rail.
• Torque all terminals to the recommended 20 In-Lbs (2.3Nm).
• For continuous full-current operation, use the breaker within a MidNite Solar enclosure to guarantee optimal heat dissipation and certification compliance.

Best Practices for System Designers and Installers

• Use Supplementary Breakers Properly: UL 1077 breakers like the MNEACQZD are meant to be used in conjunction with a branch circuit breaker. They provide an added layer of protection for sensitive or mission-critical components.
• Balance the Load: Ensure that current ratings match the equipment to prevent nuisance tripping or system damage.
• Regular Inspection: Periodically check torque and terminal conditions to maintain consistent electrical contact.

Why Choose MidNite Solar for Circuit Protection?

• MidNite Solar is one of the most respected names in the solar and electrical components industry. Their products are engineered in the USA and known for innovation, safety, and rugged durability. With decades of experience, MidNite Solar continues to set the benchmark for excellence in system protection — and the MNEACQZD is no exception.
• From the design stage to installation and operation, this breaker reflects MidNite’s commitment to high-performance, safety-tested products that meet the real-world needs of solar professionals and system integrators.

Summary

• Product: MNEACQZD
• Type: Single Pole 277VAC Supplementary Protection Breaker
• Amp Options: 15A, 20A, 30A, 50A, 60A
• Mount: DIN Rail
• Certifications: UL 1077 Listed, US & Canada
• Application: Solar, Commercial, Lighting, Energy Storage
• Interrupt Rating: 3,000 AIC
• Environmental: Indoor, Type 1

The MNEACQZD by MidNite Solar is a compact, efficient, and highly dependable breaker solution designed specifically for 277VAC applications. With its slim profile, high interrupt capacity, and compliance with North American standards, it’s the ideal choice for solar professionals and electricians who value safety, performance, and space efficiency.

• Make your solar and electrical systems safer and more reliable with the MNEACQZD. Visit solampio.com to order this premium MidNite Solar component and browse our full range of solar electrical protection solutions.