5SU1346-7FP06
RCBO, 6 kA, 4P Type A, 30 mA, C-Char, In: 6A Un: 400V
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SU1346-7FP06
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SU1346-7FP06 |
| Product Description | RCBO, 6 kA, 4P Type A, 30 mA, C-Char, In: 6A Un: 400V |
| Product family | RCBOs |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 13F / 1BC |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | None |
| Additional Product Information | ||
| EAN | 4001869578156 | |
| UPC | Not available | |
| Commodity Code | 85362010 | |
| LKZ_FDB/ CatalogID | LV10 | |
| Product Group | 5516 | |
| Group Code | P310 | |
| Country of origin | Portugal | |
| Compliance with the substance restrictions according to RoHS directive | Since: 13.03.2013 | |
| 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
5SU1346-7FP06
The Siemens 5SU1346-7FP06 is a 4-pole Residual Current Operated Circuit Breaker with Overcurrent Protection (RCBO), specifically engineered for modern 4-wire three-phase systems requiring sensitive yet reliable protection. Featuring a C-characteristic tripping curve, this device is ideal for circuits with moderate inrush currents, such as those with inductive loads (e.g., motors or transformers). It offers combined protection against earth faults, short circuits, and overloads.

Key Features and Specification
- Rated Current (In): 6 A
- Rated Voltage (Un): 400 V AC
- Breaking Capacity: 6 kA
- Poles: 4
- Tripping Curve: C Characteristic (suitable for circuits with moderate inrush current)
- Residual Current Type: Type A (detects AC and pulsating DC residual currents)
- Rated Residual Current: 30 mA

Technical Information
- Number: 5SU1346-7FP06
- EAN: 4001869578156
- Commodity Code:85362010
- Catalog Reference: LV10
- Product Group: 5516
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
- Designed for use in residential, commercial, and industrial 3-phase systems with neutral
- Ideal for protecting control panels, lighting circuits, and small motor loads
- Provides combined protection against earth leakage, overloads, and short circuits
- Especially suitable for circuits with moderate inductive loads due to the C-curve behavior
Summary:
The 5SU1346-7FP06 RCBO by Siemens delivers dual-function protection in a compact 4-pole design, ideal for critical low-current applications. Rated at 6A with a 30 mA leakage sensitivity, it ensures compliance with safety regulations while providing enhanced protection in systems with moderate inrush current characteristics.
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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