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5SV4645-0
residual current operated circuit breaker, 4-pole, type AC, In: 125 A, 300 mA, Un AC: 400 V, use of these devices is not permitted in all countries. Observe national installation regulations!
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SV4645-0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SV4645-0 |
| Product Description | residual current operated circuit breaker, 4-pole, type AC, In: 125 A, 300 mA, Un AC: 400 V, use of these devices is not permitted in all countries. Observe national installation regulations! |
| Product family | RCCBs |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 11C / 1AI |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | None |
| Additional Product Information | ||
| EAN | 4047624418381 | |
| UPC | Not available | |
| Commodity Code | 85362090 | |
| LKZ_FDB/ CatalogID | LV10 | |
| Product Group | 5510 | |
| Group Code | P310 | |
| Country of origin | Slovenia | |
| Compliance with the substance restrictions according to RoHS directive | Since: 02.06.2023 | |
| 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
5SV4645-0
The Siemens 5SV4645-0 is a 4-pole Residual Current Operated Circuit Breaker (RCCB) designed to protect electrical installations against the risks of electric shock and fire caused by earth leakage currents. With a 125A rated current and 300mA residual sensitivity, this device is suitable for high-capacity applications in residential, commercial, and industrial environments. Operating at 400 V AC, it uses Type AC sensitivity, detecting sinusoidal AC leakage currents.
⚠️ Important Note: The use of Type AC RCCBs is not permitted in all countries. Installers must always observe national installation regulations before deploying this device.
Key Features and Specification
- Rated Current (In): 125 A
- Rated Voltage (Un): 400 V AC
- Poles: 4-Pole (Three-phase + Neutral)
- Residual Current Type: Type AC (detects sinusoidal AC leakage currents only)
- Rated Residual Current (IΔn): 300 mA
- Product Type: RCCB – Residual Current Circuit Breaker
- Tripping Mechanism: Electromechanical
- Mounting: DIN rail
Technical Information
- Number: 5SV4645-0
- EAN: 4047624418381
- Commodity Code: 85362090
- Catalog Reference: LV10
- Product Group: 5510
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
- Provides residual current protection in three-phase systems up to 125 A
- Suitable for residential, commercial, and industrial installations where Type AC devices are permitted
- Offers 300 mA sensitivity, primarily for fire protection against leakage currents
- Must be installed in accordance with local/national electrical installation standards
Summary:
The Siemens 5SV4645-0 RCCB is a high-capacity 125A, 4-pole device with 300mA residual sensitivity and Type AC detection. Designed to protect against earth leakage currents, it helps reduce the risks of fire and electric shock. Since Type AC RCCBs are restricted in certain countries, compliance with national installation regulations is essential. This RCCB is a robust choice for large-scale power distribution where permitted.
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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