Protect your solar and DC systems with the Tomzn TOB7Z-63 4P 1000V DC Miniature Circuit Breaker in Pakistan. Furthermore this 4âpole DC MCB delivers fast, reliable protection against overloads and short circuits in solar PV arrays, battery banks, and inverter/charge controller setups. Also rated up to 1000V DC and 63A, it mounts on standard 35 mm DIN rails for quick installation and tidy panels.
Especially, Engineered for DC applications, the TOB7Z-63 uses efficient arcâextinguishing design and tight terminals to ensure safe interruption and stable connections. Above all, the compact body, clear ON/OFF indicator, and labeled terminals make it installerâfriendly. Choose your current rating (10Aâ63A) to match PV string size or system requirements.
Features:
- 1000V DC rated, 4âpole isolation for PV systems
- Up to 63A options for flexible sizing
- High DC breaking capacity (up to 6kA)
- Compact DINârail mount, fingerâsafe terminals
- Clear ON/OFF indicator for quick status
Specifications:
- Model: Tomzn TOB7Z-63
- Poles & Voltage: 4P, up to 1000V DC
- Rated Current: 10Aâ63A (selectable)
- Breaking Capacity: up to 6kA DC
- Mounting/Terminals: 35 mm DIN rail, up to 25 mm² cable
Uses:
- Solar PV string protection and array isolation
- Battery bank and DC busbar distribution
- Inverter/charge controller input/output protection
- Telecom and UPS DC power systems
- Offâgrid/RV/backup power DC circuits
Package Includes:
1 x  DC Miniature Circuit Breaker
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| Size |
16A, 20A, 25A, 32A, 63A |
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