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5SU1646-7FP25
RCBO, 6 kA, 4P Type A, 300mA, C-Char, In: 25A Un: 400V Energy limiting class 1: check for normative use limitations
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SU1646-7FP25
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
İlgili ürünler
| Product | |
| Article Number (Market Facing Number) | 5SU1646-7FP25 |
| Product Description | RCBO, 6 kA, 4P Type A, 300mA, C-Char, In: 25A Un: 400V Energy limiting class 1: check for normative use limitations |
| Product family | Not available |
| 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 | 4001869578323 | |
| 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 | 53bb6930-346f-4b2c-a840-433111737147 | |
Product Description
5SU1646-7FP25
The Siemens 5SU1646-7FP25 is a 4-pole RCBO (Residual Current Circuit Breaker with Overcurrent protection) designed to protect electrical installations from both earth leakage currents and overcurrents (overload and short-circuit conditions). It provides reliable and efficient circuit protection in three-phase systems with a neutral conductor.
This RCBO features a C-curve tripping characteristic, making it ideal for applications with moderate inrush currents, such as those involving inductive loads like motors or transformers. With Type A residual current protection, it is capable of detecting AC and pulsating DC leakage currents.
Key Features and Specification
- Rated Current (In): 25 A
- Rated Voltage (Un): 400 V AC
- Breaking Capacity: 6 kA (IEC/EN 61009)
- Number of Poles: 4 (3P + N)
- Tripping Curve: C-Characteristic
- Residual Current Type: Type A
- Rated Residual Current: 300 mA
- Energy Limiting Class: 1 (Note: check for normative use limitations)
- Mounting: Standard DIN rail
- Function: Combination of MCB and RCD in one device
Technical Information
- Number: 5SU1646-7FP25
- EAN Code: 4001869578323
- Commodity Code: 85362010
- Catalog ID: LV10
- Product Group: 5516
- Group Code: P310
- Product Lifecycle: PM300 – Active Product
Applications
- Commercial and industrial electrical installations
- Protection of three-phase systems with neutral, such as industrial machinery, HVAC units, or control panels
- Designed for use in fire protection or equipment protection, thanks to the 300 mA sensitivity
- Suitable for areas requiring combined overcurrent and residual current protection
Note on Energy Limiting Class 1:
This device belongs to energy limiting class 1, which may come with specific normative restrictions. Users and installers should verify compliance with local standards and installation regulations prior to use.
Summary:
The Siemens 5SU1646-7FP25 is a high-performance 4-pole RCBO offering robust protection for electrical systems. Its 25A rating, C-curve tripping, and 300mA residual current detection make it a trusted solution for demanding electrical environments where safety, reliability, and compact protection are essential.
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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