The Siemens 5SL4216-7RCZ24 is a high-precision 5SL4 series Miniature Circuit Breaker (MCB) engineered for effective overload and short-circuit protection in commercial, industrial, and automation control systems. Featuring a 2-pole configuration, 16A rated current, and Type C tripping characteristics, this MCB offers a reliable 10kA breaking capacity at 415V AC, ensuring robust defense for control circuits, lower-power machinery, and delicate automation equipment.
10kA Short-Circuit Breaking Capacity: Certified for a high short-circuit breaking capacity of 10kA at 415V AC, safeguarding wiring and connected devices from severe electrical faults.
16A Rated Current & 2-Pole Design: Protects both phases or phase-and-neutral conductors in 2-pole AC electrical distribution networks.
Type C Tripping Characteristic: Operates instantaneously at 5 to 10 times rated current ($5 \times I_n$ to $10 \times I_n$), making it ideal for loads with moderate inrush currents like small motors, transformers, solenoids, and lighting circuits.
Modular DIN-Rail Mounting: Standard compact footprint allows quick, tool-free snap-on mounting on standard 35mm DIN rails inside distribution cabinets.
Finger-Safe IP20 Touch Protection: Terminal shrouds prevent accidental direct contact, providing safety for installers and maintenance personnel.
Industrial-Grade Quality: Built to Siemens SIRIUS/SENTRON quality standards for long mechanical and electrical service life under continuous operation.
Industrial Automation Control Cabinets & PLC Feeder Lines
Small Motor Control Circuits, Solenoid Valves & Pump Starters
Commercial & Residential Sub-Distribution Boards (DBs)
OEM Machinery, Power Outlets & Lighting Feeder Circuits
Q1: How does the 16A model (5SL4216-7RCZ24) differ from higher current models like 20A or 25A in this series?
A: All models share the same 2-pole, 10kA, Type C design framework; the primary difference is the continuous current rating. The 16A model is calibrated to trip at lower continuous current thresholds, making it suitable for protecting thinner wire gauges and smaller loads.
Q2: What does "Type C" tripping characteristic mean for this MCB?
A: Type C characteristic means the breaker trips instantaneously at 5 to 10 times its rated current, accommodating standard startup inrush currents without nuisance tripping.
Q3: Can this MCB be installed on a standard 35mm DIN rail?
A: Yes, it features a standardized modular housing designed for quick, tool-free snap-on mounting on standard 35mm DIN rails.
Q4: Is this breaker suitable for 415V two-phase or phase-plus-neutral circuits?
A: Yes, its 2-pole construction and 415V AC voltage rating make it well-suited for two-phase or phase-plus-neutral line protection.
Siemens 5ST3 Series Auxiliary Switches / Fault Signal Contacts: Snap-on module for remote trip indication and status feedback to PLCs.
Siemens 5ST3 Series Shunt Trips & Undervoltage Releases: Accessories for remote automated or emergency trip activation.
Siemens 5ST3 Series Pin/Fork Busbars: Enables fast, clean, and organized power distribution across multiple MCB poles.
| Attribute | Technical Specification |
| Brand / Series | Siemens SENTRON 5SL4 |
| Product Type | Miniature Circuit Breaker (MCB) |
| Model Code / MLFB | 5SL4216-7RCZ24 |
| Number of Poles | 2-Pole |
| Rated Current ($I_n$) | 16 A |
| Tripping Characteristic | Type C ($5 \times I_n$ to $10 \times I_n$) |
| Rated Operational Voltage ($U_e$) | 415 V AC |
| Short-Circuit Breaking Capacity | 10 kA at 415 V AC |
| Supply Frequency | 50 / 60 Hz |
| Mounting Type | Standard 35 mm DIN Rail |
| Terminal Type | Screw Terminals (Finger-safe IP20) |
| Standards Compliance | IEC / EN 60898-1, IEC / EN 60947-2 |
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