Mora 2P DC 1000V Solar MCB

Mora 2P DC 1000V Solar MCB is designed for overcurrent and short-circuit protection in compatible solar PV direct-current circuits. Its two-pole format allows both conductors to be switched together, making it suitable for selected PV strings, combiner boxes and inverter-side DC distribution. Always confirm the voltage, current, polarity and breaking-capacity markings printed on the supplied unit before installation.

Mora 2P DC 1000V Solar MCB Features

• Two-pole design: switches two DC conductors together for suitable solar PV applications.
• DIN-rail mounting: compact installation inside a compatible weather-protected enclosure or distribution box.
• Solar DC application: intended for properly engineered PV circuits rather than ordinary AC use.
• Clear manual operation: useful for circuit protection and controlled isolation during servicing, subject to system design.
• Compact protection: a practical option for residential, commercial and off-grid solar installations where its ratings match the circuit.

Important Rating Checks Before Purchase

The “1000V DC” description is a maximum product-class reference, not permission to use the breaker in every 1000V installation. Check the exact model label, rated operational voltage, current rating, trip curve and DC breaking capacity. The PV array open-circuit voltage must remain below the device rating even during cold-weather conditions, when module voltage can rise.

Also calculate the string current using the solar-module short-circuit current and the design factors required by the system standard. The breaker rating must coordinate with the cable, connectors, inverter input and any upstream or downstream protection. A breaker with an unsuitable current rating may nuisance-trip or fail to protect the conductor.

DC Polarity and Arc Safety

DC arcs are harder to extinguish than AC arcs. Follow the polarity diagram and terminal markings on the actual Mora unit. Never assume that a device can be wired in either direction. Do not open a loaded PV circuit unless the installed device is specifically approved for that switching duty and the shutdown procedure has been followed.

Installation should be completed by a qualified solar electrician. Isolate all energy sources, verify absence of voltage with suitable test equipment, use correctly sized conductors and ferrules, and tighten terminals to the manufacturer’s torque specification. After commissioning, inspect for heat, loose connections or discoloration.

Where It Can Be Used

• Compatible solar PV string circuits
• PV combiner and DC distribution boxes
• Selected inverter DC-input protection arrangements
• Residential, commercial, hybrid and off-grid solar systems

An MCB does not replace every protective device. A complete PV design may also require a lockable DC isolator, correctly selected fuse protection, earthing and DC surge protection devices. Explore more circuit breakers and Mora electrical products for compatible system components.

Why Buy from HN Electric?

HN Electric supplies electrical and solar-protection products across Pakistan with clear product information and convenient online ordering. If you are unsure whether this Mora 2P DC MCB matches your panel voltage, string current or enclosure, share the equipment ratings with our team before ordering.

Buying note: Match the breaker to the complete PV design—not only the “1000V” label. Product appearance or markings may vary by batch, so verify the received unit before energizing the circuit.

Selection Checklist

Before ordering, record the inverter maximum DC input voltage, module open-circuit voltage, modules per string, string short-circuit current and cable size. Compare those values with the breaker label and the equipment documentation. Confirm that the enclosure offers suitable environmental protection and enough spacing for safe heat dissipation. For parallel strings, protection requirements can differ from a single-string installation, so the system designer should check reverse-current risk and coordination. Correct selection helps the installation remain serviceable, reduces nuisance tripping and supports safer fault isolation throughout the life of the solar system.