SIGHTER SC60N DC MCB – Miniature Circuit Breaker (1000V DC)

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Protect your electrical systems with high-performance surge protection solutions backed by expert engineering and reliable support.

The SIGHTER SC60N DC MCB is a high-quality, compact protection device designed for DC applications such as solar PV arrays, battery storage systems, and other renewable-energy installations. It protects against overloads and short-circuits in DC circuits up to 1000V, ensuring reliable protection for your combiner boxes, inverters, and downstream devices.

Key Features

  • Rated Voltage: Up to 1000V DC
  • Available in two-pole (2P) or FOUR-pole (4P) configurations
  • Rated Current: typically 6A to 63A
  • Breaking Capacity: High DC interrupt rating for PV protection
  • Thermal-magnetic tripping mechanism for accurate fault response
  • Durable housing for outdoor PV combiner applications
  • DIN rail mount for quick installation
  • ON/OFF status indicator for quick visual inspection

Technical Specifications

Rated Current (In): 6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A
Breaking Capacity: 6kA (typical for PV DC versions)
Tripping Curve: C-curve for general DC load & PV applications
Mechanical Life: >20,000 operations
Electrical Life: >10,000 operations under load
Mounting: Standard 35mm DIN rail
Terminal Capacity: Up to 25 mm² conductor
Operating Temperature: -40°C to +85°C
Standards: IEC 60947-2, IEC 60898-2 (DC versions)

Typical Applications

  • Solar PV combiner box output breakers
  • Battery bank protection
  • DC inverter input protection
  • Small DC distribution panels