Product Overview

The Leader MCCB 1000VDC is a heavy-duty molded case circuit breaker designed to protect DC electrical systems from overloads, short circuits, and fault conditions. It is suitable for solar PV systems, battery storage systems, inverter installations, and DC distribution setups where reliable high-voltage circuit protection is required.

Designed for High-Voltage DC Protection

This MCCB is built for DC applications and is commonly used in solar and backup power systems. It helps disconnect the circuit when unsafe current levels occur, reducing the risk of equipment damage, overheating, and electrical failure.

Strong Molded Case Design

The breaker features a durable molded case body that protects the internal switching and protection components. Its solid construction makes it suitable for demanding residential, commercial, and industrial electrical installations.

Key Features

1000VDC Application Support

The MCCB is suitable for high-voltage DC systems, making it ideal for solar PV strings, inverter input protection, and DC distribution circuits.

Reliable Fault Protection

It helps protect circuits against overloads, short circuits, and electrical faults, supporting safer system operation.

Manual ON/OFF Switching

The switch handle allows users or technicians to manually isolate the circuit during maintenance, inspection, or emergencies.

Heavy-Duty MCCB Construction

Compared to standard miniature breakers, an MCCB is designed for stronger protection in higher-capacity electrical systems.

Suitable for Solar Systems

It is a practical protection device for solar PV installations, battery systems, combiner boxes, and hybrid/off-grid power setups.

Suitable Applications

The Leader MCCB 1000VDC can be used for:

• Solar PV systems
• DC combiner boxes
• Battery storage systems
• Hybrid solar systems
• Off-grid solar installations
• Inverter input protection
• DC distribution boards
• Commercial and industrial DC circuits
• Backup power systems

Benefits

Protects Expensive Equipment

It helps safeguard solar panels, inverters, batteries, cables, and control components from current-related faults.

Improves Electrical Safety

By disconnecting faulty circuits, the MCCB reduces the risk of overheating, equipment damage, and unsafe electrical operation.

Supports Easy Maintenance

The manual switch allows safe power isolation before repairs, inspections, or system upgrades.

Ideal for High-Capacity Installations

Its MCCB design makes it suitable for installations that require stronger protection than standard DC breakers.

Why Choose Leader MCCB 1000VDC?

The Leader MCCB 1000VDC is a dependable choice for solar installers, electricians, and system owners who need strong DC circuit protection. Its molded case design, manual isolation function, and high-voltage DC suitability make it ideal for protecting solar, battery, and inverter systems in residential, commercial, and industrial projects.

Product Highlights

Product Name: Leader MCCB 1000VDC
Product Type: Molded Case Circuit Breaker
Voltage Application: 1000VDC systems
Main Function: DC circuit protection and isolation
Best For: Solar PV systems, inverters, batteries, combiner boxes, and DC distribution boards
Suitable Use: Residential, commercial, industrial, hybrid, and off-grid solar installations