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5SL4120-6
Miniature circuit breaker 230/400 V 10kA, 1-pole, B, 20 A
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- 5SL4120-6
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
| Product | |
| Article Number (Market Facing Number) | 5SL4120-6 |
| Product Description | Miniature circuit breaker 230/400 V 10kA, 1-pole, B, 20 A |
| Product family | Basic Devices |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 11A / 1AB |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | L-A—– |
| Additional Product Information | ||
| EAN | 4001869439259 | |
| UPC | Not available | |
| Commodity Code | 85362010 | |
| LKZ_FDB/ CatalogID | LV10.1 | |
| Product Group | 3804 | |
| Group Code | P310 | |
| Country of origin | Romania | |
| Compliance with the substance restrictions according to RoHS directive | Since: 01.06.2013 | |
| 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 | fc054fce-4006-4052-a3f0-9bb976b0e6bd | |
Product Description
5SL4120-6
The Siemens 5SL4120-6 is a Miniature Circuit Breaker (MCB) designed to provide dependable protection against overloads and short circuits in residential, commercial, and light industrial electrical systems. With a B-type tripping curve and rated current of 20A, it is best suited for resistive loads with low inrush currents such as lighting, heating, and socket circuits.
Key Features and Specification
- Product Type: Miniature Circuit Breaker (MCB)
- Rated Voltage: 230/400 V AC
- Breaking Capacity: 10 kA
- Number of Poles: 1-pole
- Tripping Characteristic: Type B
- Rated Current: 20 A
- Type B tripping curve for sensitive protection of standard loads
- High breaking capacity of 10 kA ensures safe interruption during fault conditions
- Compact 1-pole design for space-saving installations
- Mounts easily on DIN rails
- Fully compliant with international safety and performance standards
- Ideal for residential and commercial installations
Product Information
- Number: 5SL4120-6
- EAN: 4001869439259
- Commodity Code: 85362010
- Catalog ID: LV10.1
- Product Group: 3804
- Group Code: P310
- Product Lifecycle Status: PM300 – Active Product
Typical Applications
- Household electrical distribution boards
- Office and commercial lighting circuits
- Wall socket outlet protection
- Circuits with low to moderate switching surges
Summary:
The 5SL4120-6 MCB from Siemens is an essential component for safe and efficient circuit protection, offering trusted quality, high reliability, and compliance with global standards.
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 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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