The Siemens SENTRON Miniature Circuit Breaker (MCB) – 5SL4320-7RCZ16 is a reliable circuit protection device designed to protect electrical installations from overload and short-circuit faults. Part of the trusted Siemens SENTRON 5SL series, this MCB provides safe switching and dependable protection for industrial, commercial, and power distribution applications. The 5SL4320-7RCZ16 is a 3-pole MCB with C tripping characteristic, suitable for circuits requiring reliable protection with moderate inrush current handling.
The Siemens 5SL4320-7RCZ16 Miniature Circuit Breaker is widely used in industrial control panels, distribution boards, automation panels, machine installations, commercial buildings, OEM electrical systems, and infrastructure projects. It helps protect connected equipment from excessive current conditions, improves electrical safety, and ensures reliable operation of electrical circuits.
Designed with Siemens' advanced engineering standards, this SENTRON MCB offers easy installation, long operational life, and compatibility with Siemens modular accessories. It is trusted by panel builders, electrical contractors, OEMs, and industrial professionals for efficient circuit protection solutions.
At SB Smart, we supply genuine Siemens SENTRON Miniature Circuit Breakers, protection devices, and industrial electrical products with competitive pricing, expert technical support, bulk order assistance, and fast PAN India delivery.
Genuine Siemens SENTRON Miniature Circuit Breaker
Reliable overload and short-circuit protection
3-pole modular circuit breaker design
C tripping characteristic for industrial loads
High breaking capacity performance
Suitable for commercial and industrial applications
Easy DIN rail mounting
Compatible with Siemens modular accessories
Durable construction for long service life
Trusted Siemens quality and reliability
Industrial Distribution Panels
Control Panels
Automation Panels
Machine Control Systems
Commercial Electrical Installations
Building Power Distribution
Manufacturing Plants
OEM Electrical Panels
Factory Automation Systems
Infrastructure Projects
Power Distribution Boards
Industrial Equipment Protection
Protects electrical circuits from overload and short circuits
Improves electrical system safety
Reduces risk of equipment damage
Ensures reliable power distribution
Minimizes electrical downtime
Easy installation and maintenance
Suitable for continuous industrial operation
Provides dependable circuit protection
100% Genuine Siemens Products
Competitive Industrial Pricing
Expert Technical Support
Bulk Order Assistance
Fast PAN India Delivery
Secure Packaging
Trusted Industrial Electrical Supplier
GST Invoice Available
Responsive Customer Support
The Siemens 5SL4320-7RCZ16 is used for protecting electrical circuits against overload and short-circuit conditions in industrial, commercial, and distribution applications.
It can be installed in distribution boards, industrial control panels, automation systems, machine panels, and commercial electrical installations.
A C curve MCB is suitable for circuits with moderate starting currents, making it suitable for industrial loads, motors, transformers, and equipment with higher inrush current.
Yes. Siemens SENTRON 5SL series MCBs are designed for reliable circuit protection in industrial, commercial, and infrastructure applications.
Yes. SB Smart supplies genuine Siemens SENTRON MCBs with competitive pricing, technical support, and fast PAN India delivery.
| Parameter | Value |
|---|---|
| Product Type | Miniature Circuit Breaker (MCB) |
| Series | SENTRON 5SL4 |
| Model | 5SL4320-7RCZ16 |
| Rated Voltage | 415 V AC (India variant) |
| Rated DC Voltage | 72 V DC |
| Number of Poles | 3-Pole (3P) |
| Rated Current (In) | 20 A |
| Tripping Characteristic | Type C |
| Breaking Capacity (Icu) | 10 kA |
| Mounting Type | DIN Rail |
| Terminal Type | Screw terminal |
| IP Rating | IP20 |
| Mechanical Service Life | 10,000 operating cycles (typical) |
| Overvoltage Category | III |
| Degree of Pollution | 3 |
| Width | ~54 mm (3 modules × ~18mm) |
| Height | ~90 mm |
| Depth | ~90 mm |
| Standards/Approvals | CE, VDE |
No reviews yet.