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5SV3345-6
Residual current operated circuit breaker, 4-pole, type A, In: 125 A, 30 mA, Un AC: 400 V
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SV3345-6
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SV3345-6 |
| Product Description | Residual current operated circuit breaker, 4-pole, type A, In: 125 A, 30 mA, Un AC: 400 V |
| Product family | RCCBs |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 11C / 1AH |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | None |
| Additional Product Information | ||
| EAN | 4047624418442 | |
| UPC | Not available | |
| Commodity Code | 85362090 | |
| LKZ_FDB/ CatalogID | LV10 | |
| Product Group | 5511 | |
| 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
5SV3345-6
The Siemens 5SV3345-6 is a high-capacity 4-pole Residual Current Circuit Breaker (RCCB) engineered for protecting large-scale three-phase electrical systems. With a rated current of 125 A and residual current sensitivity of 30 mA, this RCCB ensures rapid disconnection in the event of earth leakage faults, effectively reducing the risk of electric shock and fire. The Type A residual current detection enables it to sense both sinusoidal AC and pulsating DC leakage currents, making it suitable for industrial, commercial, and high-load applications.
Key Features and Specification
- Rated Current (In): 125 A
- Rated Voltage (Un): 400 V AC
- Poles: 4-Pole (for three-phase systems)
- Residual Current Type: Type A (detects AC and pulsating DC leakage currents)
- Rated Residual Current: 30 mA
Technical Information
- Number: 5SV3345-6
- EAN: 4047624418442
- UPC: Not available
- Commodity Code: 85362090
- Catalog Reference: LV10
- Product Group: 5511
- Group Code: P310
- Country of Origin: Slovenia
- Lifecycle Status: PM300 – Active Product
- RoHS Compliance: Yes, since 02.06.2023
- WEEE Directive (2012/19/EU): Take-Back Obligation – Yes
- REACH Compliance: Article 33 duty to inform – Applicable
- SCIP Number: Not available
- Product Class: B – Return restricted (contact Siemens partner for return information)
Applications
- Designed for high-load installations in commercial, industrial, and infrastructure sectors
- Suitable for protecting large equipment, HVAC systems, machinery, and distribution panels
- Ensures fast disconnection in the presence of earth faults to protect both people and equipment
- Ideal for systems requiring high rated current and Type A residual current detection
Summary:
The 5SV3345-6 RCCB from Siemens is a high-performance safety device for 125A-rated three-phase installations, offering Type A residual current protection with 30mA sensitivity. Built for critical applications requiring high reliability and compliance, it ensures comprehensive protection against earth leakage faults in demanding environments. Its strong performance, combined with Siemens’ global quality standards, makes it a trusted solution for modern power systems.
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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