The Siemens 5SL7104-8RC is a SENTRON 5SL7 miniature circuit breaker (MCB) designed to provide reliable protection against overload and short-circuit conditions in compatible electrical installations. This model features a 4 A rated current, 1-pole configuration, D tripping characteristic, 240/415 V AC rated voltage and 15 kA short-circuit breaking capacity.
The Siemens 5SL7104-8RC 4A 1-pole MCB is designed for individual electrical circuits where dependable overcurrent protection is required in a compact modular format. Its D tripping characteristic is generally selected for suitable circuits where connected equipment can experience comparatively high starting or inrush currents.
This makes the MCB suitable for appropriately designed applications involving inductive loads, transformers, selected motor-related circuits, industrial control equipment and automation systems. The actual selection should always be based on the load characteristics and complete electrical protection design.
The 1-pole configuration provides a space-efficient solution for individual circuit protection. It can be integrated into electrical distribution boards, control panels, automation cabinets, machinery panels and OEM electrical assemblies where individual circuits need dedicated protection.
With a 4 A rated current, the 5SL7104-8RC is suitable for appropriately designed low-current circuits. Proper coordination between the MCB, connected load, conductor capacity and upstream/downstream protective devices is essential for safe and reliable operation.
The 15 kA short-circuit breaking capacity provides a high specified fault-interruption capability for suitable installations. The prospective short-circuit current should always be assessed to confirm that the selected MCB provides adequate fault-interruption capability.
The 240/415 V AC rating supports use in compatible AC electrical systems. As part of the Siemens SENTRON 5SL7 series, the 5SL7104-8RC is suitable for professional electrical protection applications and can be considered by panel builders, OEMs, electrical contractors, system integrators and industrial maintenance teams.
The Siemens 5SL7104-8RC 4A 1-pole D curve MCB can be considered for:
The Siemens 5SL7104-8RC provides dependable circuit protection for applications requiring a 4 A, 1-pole MCB with D characteristic and 15 kA breaking capacity. Its compact 1-pole design makes it suitable for protecting individual circuits while helping panel builders maintain an organized and space-efficient installation.
The D tripping characteristic is intended for selected circuits where connected equipment may generate relatively high starting or inrush currents. This can make the device suitable for appropriately designed inductive loads, transformers, motors and industrial control equipment, provided that the load characteristics and complete protection system are compatible.
The 15 kA breaking capacity offers a high specified short-circuit interruption capability for suitable electrical installations. This can be important where the prospective short-circuit current requires a protective device with a higher breaking capacity. The actual fault level should always be determined before selecting the MCB.
The 1-pole configuration provides a compact solution for individual circuit protection in distribution boards, control cabinets, automation panels, machinery and OEM electrical equipment.
The 4 A rated current makes the 5SL7104-8RC suitable for appropriately designed low-current circuits. Correct coordination between the MCB rating, conductor capacity and connected load is essential for effective protection and reliable system operation.
The 240/415 V AC rating allows the MCB to be used in compatible AC electrical systems within its specified voltage application. This makes it suitable for a range of industrial, commercial and control-panel applications.
As part of the Siemens SENTRON 5SL7 family, the 5SL7104-8RC provides a professional modular circuit protection solution for OEM panels, industrial automation systems, machinery control circuits, electrical distribution boards and control applications.
The Siemens 4A 1P D curve 15 kA MCB can be considered for suitable projects across Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Ghaziabad, Punjab, Mumbai, Pune, Ahmedabad, Hyderabad, Bengaluru/Bangalore, Chennai, Kolkata, Jaipur, Chandigarh, Ludhiana and other major industrial and commercial locations across India.
Always verify the connected load, conductor rating, prospective short-circuit current, system voltage and coordination with upstream and downstream protective devices before installation.
SB Smart supplies Siemens industrial electrical, automation and circuit protection products for OEMs, panel builders, electrical contractors, system integrators and industrial maintenance teams across India.
The Siemens 5SL7104-8RC 4A 1P D characteristic 15 kA MCB is suitable for customers looking for Siemens circuit protection products for industrial control, automation, machinery, OEM and electrical distribution applications.
SB Smart supports sourcing requirements across Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Mumbai, Pune, Ahmedabad, Hyderabad, Bengaluru/Bangalore, Chennai, Kolkata, Chandigarh, Ludhiana and other major industrial markets across India.
1. What is Siemens 5SL7104-8RC?
It is a Siemens SENTRON 5SL7 miniature circuit breaker rated 4 A, 1-pole, D characteristic, 240/415 V AC and 15 kA breaking capacity.
2. What is the rated current?
The rated current is 4 A.
3. How many poles does this MCB have?
The 5SL7104-8RC is a 1-pole (1P) miniature circuit breaker.
4. What is the tripping characteristic?
It has a D tripping characteristic, generally selected for suitable circuits with relatively high starting or inrush currents.
5. What is the breaking capacity?
The specified short-circuit breaking capacity is 15 kA.
6. What is the voltage rating?
The product is specified for 240/415 V AC applications.
7. Where can this MCB be used?
It can be considered for suitable individual circuits, industrial control panels, automation systems, auxiliary circuits, OEM equipment, machinery and electrical distribution boards.
8. Why choose a D-characteristic MCB?
A D-characteristic MCB can be suitable for selected loads with higher starting or inrush currents. Final selection should always be based on the actual equipment, conductor capacity and complete electrical protection design
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 5SL |
| Part Number | 5SL7104-8RC |
| Product Type | Miniature Circuit Breaker (MCB) |
| Number of Poles | 1 Pole (1P) |
| Rated Current | 4A |
| Tripping Characteristic | D Curve |
| Rated Voltage | 230/400V AC |
| Breaking Capacity | 15kA |
| Mounting Type | DIN Rail Mounting |
| Terminal Type | Screw Terminal |
| Degree of Protection | IP20 |
| Frequency | 50/60 Hz |
| Application | Overload & Short-Circuit Protection |
| Standard Compliance | IEC 60898 / IEC 60947-2 |
| Installation Area | Industrial, Commercial & Infrastructure |
| Mechanical Life | High Durability |
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