5SP4291-7
Miniature circuit breaker 400 V 10kA, 2-pole, C, 100 A, D=70 mm
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SP4291-7
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SP4291-7 |
| Product Description | Miniature circuit breaker 400 V 10kA, 2-pole, C, 100 A, D=70 mm |
| Product family | Basic Devices |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 12B / 1AC |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | L-O—– |
| Additional Product Information | ||
| EAN | 4001869195278 | |
| UPC | Not available | |
| Commodity Code | 85362090 | |
| LKZ_FDB/ CatalogID | LV10.1 | |
| Product Group | 5505 | |
| Group Code | P310 | |
| Country of origin | Turkiye | |
| Compliance with the substance restrictions according to RoHS directive | Since: 01.10.2006 | |
| Product class | B: return restricted, please contact your Siemens partner/contact | |
| WEEE (2012/19/EU) Take-Back Obligation | Yes | |
| REACH Art. 33 Duty to inform according to the current list of candidates | ||
| SCIP number | 00605067-5925-4739-bf98-afbcadc0c11b | |
Product Description
5SP4291-7
The Siemens 5SP4291-7 is a high-performance miniature circuit breaker (MCB) specifically designed for reliable two-pole protection in demanding electrical systems. It operates at 400 V AC and provides a high short-circuit breaking capacity of 10 kA. With a Type C tripping characteristic and a rated current of 100 A, this MCB is suitable for circuits with moderate inrush currents and significant power loads. Despite its power, it maintains a compact installation depth of 70 mm, allowing it to fit easily into modern control panels.

Key Features and Specification
- Product Code: 5SP4291-7
- Rated Voltage: 400 V AC
- Breaking Capacity: 10 kA
- Number of Poles: 2
- Tripping Characteristic: Type C
- Rated Current: 100 A
- Installation Depth: 70 mm
- EAN: 4001869195278
- Commodity Code: 85362090
- Catalog ID: LV10.1
- Product Group: 5505
- Lifecycle Status: Active Product (PM300)

Applications
- High-load two-phase circuit protection
- Industrial machinery, HVAC systems, and large power distribution
- Installations requiring compact but powerful protection
- Sub-panels in commercial and infrastructure projects
Summary:
The Siemens 5SP4291-7 is a robust 2-pole MCB rated at 100 A, offering enhanced protection with a 10 kA breaking capacity and Type C trip curve. Its space-saving 70 mm depth and high load handling make it ideal for critical and heavy-duty electrical applications.
Frequently Asked Questions
What is MCB protection?
✅ MCB (Miniature Circuit Breaker) protects against overloads and short circuits. Overload protection works via a bimetallic strip (thermal operation), while short-circuit protection uses a tripping coil (electromagnetic operation). This ensures electrical safety in homes, businesses, and industries.
What is the rule for installing an SPD?
✅ SPD (Surge Protection Device) connections should be as short as possible to minimize the voltage protection level (Up). The total length of connections to the network and earth should not exceed 50 cm to ensure effective surge protection.
How to Set Up a Surge Protector?
1.Turn off power at the circuit breaker.
2. Remove the old outlet.
3. Connect wires to the new surge-protected outlet per the manufacturer’s instructions.
4. Secure the outlet in the box and replace the cover plate.
5. Restore power and test the outlet.
What is the use of RCCB in Siemens?
✅ Siemens Residual Current Circuit Breakers (RCCBs) protect against electric shock by detecting leakage currents. If the leakage exceeds a set limit, the RCCB immediately disconnects the circuit, ensuring safety from direct or indirect contact with live components.
Where is an RCBO used?
✅ RCBOs (Residual Current Circuit Breakers with Overcurrent protection) are commonly used in various residential, commercial, and industrial applications. Typical use cases include power distribution boards, emergency lighting circuits, HVAC (Heating, Ventilation, and Air Conditioning) systems, socket outlets, and swimming pool equipment. RCBOs are ideal for protecting individual circuits where both earth fault and overcurrent protection are required.
Where to Install RCCB?
✅ RCCBs should be installed in the distribution board (DB box) or circuit breaker panel to protect against current leakages caused by faulty wiring, ageing insulation, or defective appliances.



















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