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5SP4491-7
Miniature circuit breaker 400 V 10kA, 4-pole, C, 100 A, D=70 mm
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SP4491-7
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SP4491-7 |
| Product Description | Miniature circuit breaker 400 V 10kA, 4-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 | 4001869195636 | ||
| 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 | 1d60e019-9099-4934-ade5-7adb65722df5 | ||
Product Description
5SP4491-7
The Siemens 5SP4491-7 is a high-capacity 4-pole miniature circuit breaker (MCB) specifically designed for reliable protection in three-phase + neutral systems. Operating at 400 V AC, it features a robust 10 kA short-circuit breaking capacity, making it ideal for heavy-duty industrial and commercial applications. With a Type C tripping characteristic and a rated current of 100 A, this breaker is suited for circuits with moderate inrush currents. The compact 70 mm installation depth ensures ease of integration into modern control and distribution panels.
Key Features and Specification
- Product Code: 5SP4491-7
- Rated Voltage: 400 V AC
- Breaking Capacity: 10 kA
- Number of Poles: 4
- Tripping Characteristic: Type C
- Rated Current: 100 A
- Installation Depth: 70 mm
- EAN: 4001869195636
- Commodity Code: 85362090
- Catalog ID: LV10.1
- Product Group: 5505
- Lifecycle Status: Active Product (PM300)
Applications
- High-current distribution circuits with neutral conductor
- Industrial machinery and motor systems
- Commercial building power supply panels
- Heavy-load applications requiring multi-pole protection
Summary:
The Siemens 5SP4491-7 is a robust 4-pole MCB rated at 100 A, offering Type C tripping, 10 kA protection, and a 70 mm compact design. It’s ideal for secure and efficient circuit protection in demanding three-phase + neutral environments.
Frequently Asked Questions
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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