Siemens Miniature Circuit Breakers (MCB) Series | 1-Pole, 6kA, C Curve, Single-Phase Range
Siemens 1-Pole 6kA C Curve Miniature Circuit Breaker (MCB) series represents the absolute pinnacle of operational safety, reliability, and precision engineering for single-phase electrical networks. Designed to safeguard domestic, commercial, and light industrial circuits against overloads and devastating short circuits, this premium modular range spans all industry-standard current ratings from 10A, 16A, 20A, 25A, 32A, 40A, 50A, to 63A. Featuring a standardized 6000A (6kA) breaking capacity in strict compliance with IEC/EN 60898-1, this series is the definitive choice for high-integrity distribution boards.
Manufactured to rigid German engineering benchmarks, Siemens MCBs (such as the premier 5SL6 line) are optimized for supreme heat dissipation and long-term mechanical endurance. The versatile C-Curve trip characteristics are calibrated perfectly to absorb transient inductive starting currents seamlessly, preventing nuisance tripping while delivering near-instantaneous isolation during true short-circuit events. Equipped with Siemens' patented ergonomic tunnel terminals with touch protection (IP20), this 18mm modular series ensures secure wire terminations, uniform panel board aesthetics, and rapid DIN-rail mounting across premium infrastructure projects throughout Egypt.
Comprehensive Range Applications:
-
10A & 16A Models: The elite engineering standard for advanced LED lighting networks, automation PLC racks, and low-draw control circuits.
-
20A & 25A Models: Engineered to protect heavy-duty kitchen sockets, home appliances, IT equipment lines, and server nodes.
-
32A & 40A Models: Dedicated circuit protection for instantaneous water heaters, deep freezers, and commercial air conditioning strings.
-
50A & 63A Models: High-capacity single-pole feeders for sub-distribution panels, administrative blocks, and commercial retail units.
Key Technical Advantages:
-
6kA Robust Breaking Capacity: Fully certified to safely interrupt high short-circuit currents according to international standards.
-
German Engineering & Build Quality: Unmatched reliability with a highly durable internal contact mechanism that extends product lifespan.
-
C-Curve Overload Precision: Optimal response curve for handling modern commercial and residential inductive loads.
-
Fail-Safe Terminals: Double-terminal architecture allows simultaneous connection of busbars and standard copper cables.