Tomzn TOB7Z-63 2P DC 1000V Solar Mini Circuit Breaker in Pakistan protects your solar strings and DC circuits from overload and short circuit, helping to keep your panels, inverters and cables safe.
This 2‑pole DC MCB is suitable for up to 1000V DC and a rated current up to 63A (model dependent). It is ideal for roof‑top solar installations, off‑grid systems, hybrid inverters and small commercial PV plants. The compact modular design fits easily on standard DIN rail inside DC combiner boxes and distribution enclosures.
The clear ON/OFF indication and simple wiring make it easy for solar installers and electricians to work with.
Features of Tomzn TOB7Z-63 2P DC 1000V Solar Mini Circuit Breaker:
- 2‑pole DC MCB for solar PV applications
- Rated up to 1000V DC (model series)
- Up to 63A current rating (model dependent)
- Compact DIN‑rail mount modular design
- Reliable DC arc extinguishing structure for safe breaking
Specifications:
- Model: Tomzn TOB7Z‑63, 2P DC
- Rated voltage: up to 1000V DC
- Rated current: up to 63A (check selected rating)
- Poles: 2‑pole, suitable for DC string protection
- Mounting: 35mm DIN rail, modular housing
Uses:
- DC side protection in solar PV systems
- String protection in DC combiner boxes
- Off‑grid and hybrid inverter DC input protection
- Small commercial and residential PV arrays
- General DC circuits in renewable and battery systems


