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5SL4140-7
Miniature circuit breaker 230/400 V 10kA, 1-pole, C, 40 A
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- 5SL4140-7
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SL4140-7 |
| Product Description | Miniature circuit breaker 230/400 V 10kA, 1-pole, C, 40 A |
| Product family | Basic Devices |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 11B / 1AC |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | L-A—– |
| Additional Product Information | ||
| EAN | 4001869440217 | |
| UPC | Not available | |
| Commodity Code | 85362010 | |
| LKZ_FDB/ CatalogID | LV10.1 | |
| Product Group | 3805 | |
| Group Code | P310 | |
| Country of origin | Romania | |
| Compliance with the substance restrictions according to RoHS directive | Since: 01.06.2013 | |
| 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 | 40a29d03-9bf8-4ece-8202-f85949659c40 | |
Product Description
5SL4140-7
The 5SL4140-7 from Siemens is a high-performance Miniature Circuit Breaker (MCB), engineered to provide dependable protection against overloads and short circuits in various electrical installations. With a C-curve tripping characteristic, it is suitable for circuits with moderate inrush currents, such as inductive loads (e.g., motors and transformers).
Key Features and Specification
- Rated Operating Voltage: 230/400 V AC
- Breaking Capacity: 10 kA
- Number of Poles: 1-pole
- Tripping Characteristic: Type C
- Rated Current: 40 A
- Type C trip curve for applications with moderate startup surges
- High breaking capacity of 10,000 A for reliable protection
- Designed for DIN rail mounting in distribution boards
- Durable and compact for space-saving installation
- Ideal for both residential and commercial electrical networks
Product Information
- Number:5SL4140-7
- EAN: 4001869440217
- Commodity Code: 85362010
- Catalog ID: LV10.1
- Product Group: 3805
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
- Small motor protection
- Commercial and light industrial installations
- Power distribution panels
- Inductive load circuits (e.g., HVAC systems, transformers)
Summary:
The Siemens 5SL4140-7 MCB ensures robust electrical safety with fast fault interruption and dependable performance in demanding environments. Its 40 A capacity and C-type characteristic make it a versatile choice for a wide range of applications.
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 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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