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5SV3344-4
residual current operated circuit breaker, 4-pole, type B, short-time-delayed, In: 40 A, 30 mA, Un AC: 400 V SIGRES: harsh ambient conditions, extended test interval
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SV3344-4
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SV3344-4 |
| Product Description | residual current operated circuit breaker, 4-pole, type B, short-time-delayed, In: 40 A, 30 mA, Un AC: 400 V SIGRES: harsh ambient conditions, extended test interval |
| Product family | RCCBs |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 13A / 1AJ |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | -34—– |
| Additional Product Information | |||
| EAN | 4001869549033 | ||
| UPC | Not available | ||
| Commodity Code | 85362010 | ||
| LKZ_FDB/ CatalogID | LV10 | ||
| Product Group | 5513 | ||
| Group Code | P310 | ||
| Country of origin | Germany | ||
| Compliance with the substance restrictions according to RoHS directive | Since: 01.01.2018 | ||
| Product class | A: Standard product which is a stock item could be returned within the returns guidelines/period. | ||
| WEEE (2012/19/EU) Take-Back Obligation | Yes | ||
| REACH Art. 33 Duty to inform according to the current list of candidates | |||
| SCIP number | 86be7fff-2c5b-4238-a619-a05d752e37ae | ||
Product Description
5SV3344-4
The Siemens 5SV3344-4 is a premium 4-pole Residual Current Circuit Breaker (RCCB) designed for comprehensive protection in three-phase electrical systems. With Type B sensitivity, it detects AC, pulsed DC, and smooth DC residual currents, making it suitable for modern installations such as EV charging stations, solar power systems, UPS devices, and frequency converters. Rated at 40 A, this RCCB includes a short-time delayed tripping mechanism to minimize nuisance tripping, and it is part of the SIGRES series, engineered for harsh ambient conditions** such as moisture, dust, and chemical exposure.
Key Features and Specification
- Rated Current (In): 40 A
- Rated Voltage (Un): 400 V AC
- Poles: 4-Pole (for three-phase systems)
- Tripping Characteristic: Short-time delayed
- Residual Current Type: Type B (detects AC, pulsed DC, and smooth DC leakage currents)
- Rated Residual Current: 30 mA
- Environmental Series: SIGRES (for harsh ambient conditions)
- Test Interval: Extended
Technical Information
- Number: 5SV3344-4
- EAN: 4001869549033
- UPC: Not available
- Commodity Code: 85362010
- Catalog Reference: LV10
- Product Group: 5513
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
- Designed for demanding environments like industrial facilities, transportation systems, and renewable energy installations
- Ideal for applications involving modern loads with smooth DC components such as VFDs, EV chargers, and inverters
- Offers reliable protection against earth faults and reduces the risk of electrical fires and shock hazards
- Short-time delay function ensures immunity against brief transients and inrush currents, avoiding unnecessary interruptions
Summary:
The 5SV3344-4 RCCB from Siemens is an advanced protective device for 40A-rated three-phase circuits operating at 400V AC. It combines Type B residual current detection with short-time delay and the rugged reliability of the SIGRES series for tough environments. This RCCB ensures high-performance safety in critical and modern electrical infrastructures.
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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