5SL4620-7
Miniature circuit breaker 400 V 10kA, 3+N-pole, C, 20 A
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SL4620-7
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SL4620-7 |
| Product Description | Miniature circuit breaker 400 V 10kA, 3+N-pole, C, 20 A |
| 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-A—– |
| Additional Product Information | ||
| EAN | 4001869441085 | |
| UPC | Not available | |
| Commodity Code | 85362010 | |
| LKZ_FDB/ CatalogID | LV10.1 | |
| Product Group | 3805 | |
| 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 | Not available | |
Product Description
5SL4620-7
The Siemens 5SL4620-7 is a high-performance 3+N-pole miniature circuit breaker rated at 20 A, engineered for 400 V AC systems with a short-circuit breaking capacity of 10 kA. Utilizing a Type C tripping characteristic, this MCB is well-suited for circuits with moderate inductive loads, such as HVAC equipment, industrial control systems, lighting circuits, and motorized applications.

Key Features and Specification
- Rated Voltage: 400 V AC
- Rated Current: 20 A
- Tripping Characteristic: Type C
- Poles: 3+N (three-phase with neutral)
- Breaking Capacity: 10 kA (as per IEC 60898-1)
- Excellent protection against overloads and short circuits
- Ideal for commercial and industrial electrical systems with moderate inrush currents
- Type C curve minimizes unwanted tripping during equipment startup
- Space-saving design with easy DIN rail installation
- Manufactured to Siemens’ stringent quality and durability standards
- Suitable for three-phase load distribution panels and machinery setups

Product Information
- Number: 5SL4620-7
- EAN: 4001869441085
- Commodity Code: 85362010
- Catalog Reference: LV10.1
- Product Group: 3805
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
The 5SL4620-7 is commonly used in industrial control panels, machine tools, commercial HVAC systems, lighting installations, and other infrastructure that demands reliable, high-current circuit protection across three phases.
Summary
The 5SL4620-7 delivers superior performance and long-lasting protection in demanding environments. With its fast tripping response, reliable load handling, and Siemens-engineered build quality, it provides peace of mind and operational safety for installers, facility managers, and system designers alike. Whether in factories, commercial buildings, or industrial plants, this MCB ensures dependable electrical continuity, reducing the risk of system failure and costly downtime.
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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