Product Description

Siemens SENTRON Miniature Circuit Breaker 400V, 10kA, 4-Pole, C, 50A – 5SL4450-7RCZ12

Product Description

The Siemens 5SL4450-7RCZ12 is a SENTRON miniature circuit breaker (MCB) designed for reliable protection against overload and short-circuit conditions in low-voltage electrical installations. It is a 4-pole, 50A MCB with C tripping characteristic and a 10kA rated short-circuit breaking capacity. Siemens’ current datasheet identifies the corresponding 5SL4450-7 model as a 4-pole, C-characteristic, 50A MCB with 400V AC rated voltage.

The MCB operates on 50/60Hz AC systems and is suitable for distribution boards, control panels, commercial installations and industrial electrical applications. Its C-characteristic makes it suitable for circuits where moderate inrush currents can occur.

The 5SL4450-7RCZ12 is suitable for panel builders, electrical contractors, OEMs, system integrators and maintenance professionals requiring dependable circuit protection.

Key Features

• Brand: Siemens
• Product Family: SENTRON
• Product Type: Miniature Circuit Breaker (MCB)
• Part Number: 5SL4450-7RCZ12
• Poles: 4-Pole
• Rated Current: 50A
• Tripping Characteristic: C
• Breaking Capacity: 10kA
• Rated Voltage: 400V AC
• Frequency: 50/60Hz
• Suitable for overload and short-circuit protection
• Designed for low-voltage electrical installations
• Suitable for distribution boards and control panels
• Genuine Siemens SENTRON MCB

Applications

The Siemens 5SL4450-7RCZ12 can be used in:

• Distribution boards
• Industrial control panels
• Commercial electrical installations
• Low-voltage distribution systems
• Industrial automation panels
• Electrical switchboards
• OEM panel-building projects
• Building electrical systems
• Circuit protection applications

Benefits

• Provides reliable overload and short-circuit protection
• 50A rating is suitable for a wide range of distribution circuits
• 10kA breaking capacity supports demanding protection requirements
• 4-pole design allows multi-phase circuit protection
• C-characteristic accommodates moderate starting and inrush currents
• Suitable for industrial and commercial electrical installations
• Compact SENTRON design simplifies panel integration
• Genuine Siemens circuit protection device

Buy Siemens 5SL4450-7RCZ12 from SB Smart

Looking for a Siemens 5SL4450-7RCZ12 MCB supplier in India? SB Smart supplies Siemens SENTRON miniature circuit breakers and industrial electrical products for panel builders, OEMs, contractors, system integrators and industrial customers.

We supply Siemens products across Faridabad, Noida, Gurugram (Gurgaon), Delhi NCR and major Indian cities including Mumbai, Bengaluru, Hyderabad, Chennai, Pune, Ahmedabad, Kolkata and Jaipur.

Frequently Asked Questions

1. What is Siemens 5SL4450-7RCZ12?

The Siemens 5SL4450-7RCZ12 is a 4-pole Siemens SENTRON miniature circuit breaker with a 50A rated current, C tripping characteristic and 10kA breaking capacity.

2. What is the rated current of Siemens 5SL4450-7RCZ12?

The MCB has a rated current of 50A.

3. What is the breaking capacity of this Siemens MCB?

The specified 5SL4450-7 configuration has a 10kA breaking capacity according to EN 60898 and IEC 60947-2.

4. What does C-curve mean in an MCB?

A C tripping characteristic is generally used for circuits with moderate inrush currents, such as lighting, commercial loads and certain motor or inductive applications.

5. How many poles does Siemens 5SL4450-7RCZ12 have?

The circuit breaker is a 4-pole MCB.

6. Where is Siemens 5SL4450-7RCZ12 used?

It can be used in distribution boards, industrial control panels, commercial electrical systems, switchboards and other low-voltage circuit protection applications.

7. Where can I buy Siemens 5SL4450-7RCZ12 in India?

You can source the Siemens 5SL4450-7RCZ12 from SB Smart for industrial, commercial and low-voltage