Description
TOMZN 2P 100A 1000V DC MCB – High-Performance Solar DC Circuit Breaker
The TOMZN 2P 100A DC Miniature Circuit Breaker (MCB) is a premium-quality protection device designed to ensure the safe operation of high-voltage DC circuits, especially in solar photovoltaic (PV) systems and battery energy storage setups. With a voltage rating of up to 1000V DC and a current rating of 100A, this breaker is specifically engineered to handle the demands of large residential, commercial, and industrial solar installations.
Featuring a 2-pole configuration, it allows for simultaneous switching and protection of both the positive and negative DC lines, ensuring comprehensive isolation and safety. Its thermal-magnetic trip mechanism provides precise and fast protection against both overloads and short circuits, minimizing system damage and reducing downtime.
Constructed with a flame-retardant, UV-resistant thermoplastic housing, the TOMZN 100A DC MCB is built for durability even in challenging outdoor environments. It is DIN rail mountable, allowing for quick, secure, and standardized installation into combiner boxes, DC distribution panels, and inverter DC input systems.
Key Features:
Rated Current: 100A
Poles: 2P (protects positive and negative DC conductors)
Rated Voltage: Up to 1000V DC
Breaking Capacity: High DC short-circuit breaking capacity
Tripping Mechanism: Thermal-magnetic
Mounting Type: 35mm standard DIN rail
Housing Material: Flame-retardant, impact-resistant thermoplastic (UL94-V0 rated)
Operating Temperature Range: -25°C to +70°C
Indicator: ON/OFF status window
Electrical Life: ≥ 6,000 operations
Mechanical Life: ≥ 20,000 operations
Why Choose TOMZN 2P 100A DC MCB?
TOMZN is a recognized leader in electrical protection solutions, known for combining affordability, quality, and reliability. The TOMZN 2P 100A DC MCB provides strong, dependable protection for modern high-voltage DC systems, ensuring the safety of critical investments in solar energy and battery storage. Whether you are building new installations or upgrading existing systems, TOMZN delivers the protection you can trust.
Benefits:
High Voltage and Current Capacity: Suitable for heavy-duty 1000V DC solar systems
Complete 2-Pole Isolation: Enhances safety by disconnecting both DC conductors simultaneously
Reliable Protection: Fast, accurate response to overloads and short circuits
Rugged Construction: Flame-retardant, UV-resistant housing ensures durability outdoors and indoors
Easy Installation: Standard DIN rail mountable for quick, space-efficient setup
Long Service Life: Designed for high mechanical and electrical endurance for lasting system protection
Applications:
Solar PV systems (string-level and main DC side protection)
Hybrid and off-grid solar installations
Battery energy storage systems (ESS)
DC combiner boxes and DC distribution panels
Industrial DC electrical circuits
