Tomzn 2P DC Circuit Breaker – 100A / 125A MCB | Heavy-Duty Protection for Solar & Battery Systems

The Tomzn 2P DC MCB Circuit Breaker (100A / 125A) is engineered for high-power DC protection, providing safety and reliability in solar PV systems, battery setups, and DC distribution circuits. With 2-pole isolation and high voltage support (typically up to 1000V DC), it offers effective protection against overcurrent, short-circuit faults, and reverse current flow.

🔧 Product Specifications:

• Brand: TOMZN

• Model: 2P DC MCB

• Rated Voltage: Up to 1000V DC

• Rated Current: 100A or 125A (selectable)

• Poles: 2P (Double Pole)

• Tripping Curve: C-Type or customized (for solar DC)

• Breaking Capacity: 6kA

• Mounting: DIN Rail 35mm

• Material: Flame-retardant body, copper internal contacts

• Compliance: IEC 60947-2 / IEC 60898-2

✅ Key Features:

• High current capacity: Available in 100A & 125A

• Suitable for solar DC strings, battery outputs, and inverter inputs

• Dual pole for safe isolation of positive and negative lines

• Quick response to overcurrent or short circuits

• Compatible with off-grid & hybrid solar setups

• Long-lasting & heat-resistant design

🏠 Applications:

• Solar charge controller DC protection

• Battery bank output disconnect

• Hybrid & off-grid solar inverters

• Solar combiner boxes

• Electric vehicle charging circuits (DC side)