5SV5642-6
residual current operated circuit breaker, 4-pole, type A, In: 25 A, 300 mA, Un AC: 400 V,
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SV5642-6
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SV5642-6 |
| Product Description | residual current operated circuit breaker, 4-pole, type A, In: 25 A, 300 mA, Un AC: 400 V, |
| Product family | Not available |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 194 / 1AH |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | None |
| Additional Product Information | |||
| EAN | 4001869573038 | ||
| UPC | Not available | ||
| Commodity Code | 85362010 | ||
| LKZ_FDB/ CatalogID | LV10 | ||
| Product Group | 5511 | ||
| Group Code | P310 | ||
| Country of origin | Germany | ||
| Compliance with the substance restrictions according to RoHS directive | Since: 16.08.2019 | ||
| 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 | a70b312e-54ed-4ccb-ad43-3e74f9ad2b1c | ||
Product Description
5SV5642-6
The Siemens 5SV5642-6 is a 4-pole Residual Current Circuit Breaker (RCCB) designed to enhance electrical safety by protecting people and property from leakage currents and fire hazards. With a rated current of 25A and a residual sensitivity of 300mA, it is well-suited for three-phase systems up to 400 V AC where high-level leakage protection is required. Featuring Type A sensitivity, the device detects both sinusoidal AC and pulsating DC residual currents, making it ideal for use with modern electrical equipment that may generate mixed current types.

Key Features and Specification
- Rated Current (In): 25 A
- Rated Voltage (Un): 400 V AC
- Number of Poles: 4-Pole (Three-phase + Neutral)
- Residual Current Sensitivity (IΔn): 300 mA
- Residual Current Type: Type A (AC + pulsating DC)
- Tripping Mechanism: Electromechanical
- Mounting: DIN rail

Technical Information
- Number: 5SV5642-6
- EAN: 4001869573038
- Commodity Code: 85362010
- Catalog Reference: LV10
- Product Group: 5511
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
- Protection against electrical fires caused by high earth leakage currents
- Use in three-phase distribution boards and circuits requiring 300 mA sensitivity
- Suitable for residential, commercial, and light industrial installations
- Enhances safety in systems with sensitive equipment generating pulsating DC leakage currents
Summary:
The Siemens 5SV5642-6 RCCB is a 25A, 4-pole device with 300mA residual current sensitivity and Type A detection. Designed for 400 V AC three-phase systems, it ensures reliable protection against leakage currents and fire risks, making it a trusted choice for modern electrical installations.
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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