The Siemens SENTRON Miniature Circuit Breaker (MCB) – 5SL4404-7RCZ12 is a reliable circuit protection device designed to safeguard electrical circuits against overloads and short circuits in residential, commercial, and industrial installations. As a 4-pole MCB, it provides dependable protection for three-phase electrical systems while ensuring safe and uninterrupted power distribution. Siemens classifies this model within its SENTRON 5SL miniature circuit breaker range for low-voltage circuit protection.
The Siemens 5SL4404-7RCZ12 MCB is widely used in electrical distribution boards, industrial control panels, switchboards, motor control centers (MCC), commercial buildings, OEM equipment, and infrastructure projects. Its C curve tripping characteristic makes it suitable for circuits with moderate inrush currents, including lighting systems, distribution circuits, control panels, small motors, and general-purpose electrical loads.
Designed with Siemens' trusted engineering and high manufacturing standards, this SENTRON miniature circuit breaker offers long service life, reliable switching performance, and enhanced electrical safety. It is easy to install and is preferred by electrical contractors, panel builders, OEMs, maintenance engineers, and industrial professionals looking for dependable circuit protection.
At SB Smart, we supply genuine Siemens SENTRON Miniature Circuit Breakers (MCBs) 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
Suitable for three-phase electrical systems
C Curve tripping characteristic
Fast and dependable fault interruption
Compact DIN rail mounting design
Long operational service life
High-quality Siemens engineering
Easy installation and maintenance
Suitable for residential, commercial, and industrial applications
Electrical Distribution Boards
Industrial Control Panels
Motor Control Centers (MCC)
Commercial Buildings
Manufacturing Plants
OEM Electrical Panels
Power Distribution Systems
Switchboards
Infrastructure Projects
HVAC Systems
Lighting Distribution
Industrial Automation Systems
Utility Installations
Protects electrical circuits from overload and short circuits
Enhances electrical system safety
Ensures reliable power distribution
Reduces equipment damage caused by electrical faults
Minimizes downtime and maintenance costs
Easy integration into new and existing installations
Durable construction for long-term performance
Trusted Siemens quality and reliability
Suitable for continuous operation in demanding environments
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
It is used to protect electrical circuits against overloads and short circuits in residential, commercial, and industrial power distribution systems.
It is commonly installed in distribution boards, switchboards, control panels, motor control centers, commercial buildings, and industrial facilities.
A C Curve MCB is suitable for circuits with moderate inrush currents, making it ideal for lighting circuits, control panels, and small motor applications.
Yes. It is designed for reliable performance in industrial automation, commercial buildings, OEM equipment, and power distribution systems.
Yes. SB Smart supplies genuine Siemens SENTRON circuit protection products with technical support, competitive pricing, and fast PAN India delivery.
| Parameter | Value |
|---|---|
| Product Type | Miniature Circuit Breaker (MCB) |
| Series | SENTRON 5SL4 |
| Model | 5SL4404-7RCZ12 |
| Rated Voltage | 415 V AC (India variant; base 400V AC / up to 440V insulation) |
| Rated DC Voltage | 72 V DC |
| Number of Poles | 4-Pole (3P+N) |
| Rated Current (In) | 4 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 | ~76 mm (4 modules × ~18mm) |
| Height | ~90 mm |
| Depth | ~90 mm |
| Standards/Approvals | CE, VDE |
| Country of Origin | Romania (Siemens EU manufacturing) |
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