The Siemens 5SL5125-7RC is a SENTRON 5SL5 miniature circuit breaker (MCB) designed specifically for DC circuit protection. This Siemens DC MCB features a 25 A rated current, 1-pole configuration, C tripping characteristic, 220 V DC operating voltage and 10 kA short-circuit breaking capacity, making it suitable for appropriately designed DC electrical installations requiring dependable protection against overload and short-circuit conditions.
The Siemens 5SL5125-7RC 25A 1-pole DC MCB is designed for individual DC circuits where reliable overcurrent protection is required in a compact modular format. Because DC fault interruption differs from AC fault interruption, a dedicated DC-rated circuit breaker is important for suitable applications operating within the specified electrical ratings.
With a 25 A rated current, the 5SL5125-7RC is suitable for appropriately designed medium-current DC circuits. The protective device should be correctly matched with the connected load, conductor capacity, operating conditions and overall circuit protection arrangement.
The C tripping characteristic provides a defined tripping response for suitable DC circuits where moderate starting or transient currents may occur. This makes the MCB suitable for selected DC distribution, industrial control, automation, auxiliary power and equipment protection applications, subject to correct system design.
The 1-pole configuration provides a compact solution for individual DC circuit protection. It can be integrated into DC distribution boards, industrial control panels, automation cabinets, machinery panels and OEM electrical assemblies where individual circuit protection is required.
The 10 kA short-circuit breaking capacity provides the specified fault-interruption capability for applicable DC installations. The prospective short-circuit current at the installation point should always be assessed to confirm that the selected MCB is suitable for the actual DC system.
The Siemens 5SL5125-7RC 25A 1-pole C curve DC MCB can be considered for:
The Siemens 5SL5125-7RC provides dependable circuit protection for DC applications requiring a 25 A, 1-pole MCB with C characteristic and 10 kA breaking capacity. Its dedicated DC design makes it suitable for applications where the circuit breaker needs to handle DC fault conditions according to its specified ratings.
The 25 A current rating makes the device suitable for appropriately designed medium-current DC circuits. Proper coordination between the MCB rating, connected load and conductor capacity helps protect the circuit against overload while supporting normal operating conditions.
The C tripping characteristic provides a practical protection response for suitable DC circuits where moderate starting or transient currents may occur. This can make the 5SL5125-7RC suitable for selected industrial control systems, automation circuits, auxiliary supplies and compatible DC equipment where the load characteristics match the device.
The 1-pole construction provides a compact and space-efficient solution for individual DC circuit protection. This makes it useful in DC distribution boards, industrial control cabinets, automation panels, machinery systems and OEM electrical assemblies where individual circuits require dedicated protection.
The 10 kA breaking capacity provides the specified short-circuit interruption capability for suitable DC applications. Since DC fault interruption depends on the system voltage, fault current and circuit configuration, these parameters should be evaluated before installation.
The 220 V DC operating voltage makes the 5SL5125-7RC suitable for compatible DC systems operating within its specified voltage rating. This makes it relevant for selected industrial DC distribution, control, auxiliary power and equipment protection applications.
The Siemens SENTRON 5SL5 DC series offers a dedicated modular circuit protection solution for professional electrical applications. The 5SL5125-7RC can therefore be considered by OEMs, panel builders, electrical contractors, automation integrators and industrial maintenance teams.
The Siemens 25A 1P C curve 10 kA DC 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 actual DC system voltage, polarity, pole connection, prospective short-circuit current and applicable Siemens wiring arrangement before installation.
SB Smart supplies Siemens industrial electrical, automation and DC circuit protection products for OEMs, panel builders, electrical contractors, system integrators, energy-sector customers and industrial maintenance teams across India.
The Siemens 5SL5125-7RC 25A 1P C characteristic 10 kA DC MCB is suitable for customers looking for Siemens circuit protection products for industrial DC distribution, control panels, auxiliary systems, automation equipment and OEM electrical 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 5SL5125-7RC?
It is a Siemens SENTRON 5SL5 DC miniature circuit breaker rated 25 A, 1-pole, C characteristic and 10 kA breaking capacity.
2. What is the rated current?
The rated current is 25 A.
3. Is the 5SL5125-7RC designed for DC applications?
Yes. It belongs to the Siemens 5SL5 DC MCB range and is intended for suitable DC circuit protection applications.
4. What is the rated DC voltage?
The specified DC operating voltage is 220 V DC.
5. What is the breaking capacity?
The specified short-circuit breaking capacity is 10 kA.
6. How many poles does this MCB have?
The 5SL5125-7RC is a 1-pole (1P) DC miniature circuit breaker.
7. Where can the Siemens 5SL5125-7RC be used?
It can be considered for suitable DC distribution systems, industrial control panels, auxiliary power circuits, automation equipment, OEM installations and other compatible DC applications.
8. Is the wiring arrangement important for this DC MCB?
Yes. Correct pole connection, polarity and wiring arrangement are important for proper DC fault interruption. The installation should follow the applicable Siemens connection instructions.
|
Parameter |
Specification |
|
Product Model |
5SL5125-7RC |
|
Brand |
Siemens |
|
Series |
SENTRON 5SL |
|
Type |
Miniature Circuit Breaker (MCB) |
|
Number of Poles |
1P |
|
Rated Current |
25 A |
|
Rated Voltage |
230/400 V AC, up to 220 V DC |
|
Tripping Characteristic |
Curve C |
|
Breaking Capacity |
10 kA |
|
Mounting Type |
DIN rail |
|
Application |
AC/DC control & distribution circuits |
|
Standards |
IEC 60898-1 / IEC 60947-2 |
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