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5SV3621-4
residual current operated circuit breaker, 2-pole, type B, short-time-delayed, In: 16 A, 300 mA, Un AC: 230 V SIGRES: harsh ambient conditions, extended test interval
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 5SV3621-4
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 5SV3621-4 |
| Product Description | residual current operated circuit breaker, 2-pole, type B, short-time-delayed, In: 16 A, 300 mA, Un AC: 230 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 | L-A—– |
| Additional Product Information | |||
| EAN | 4001869548906 | ||
| 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 | 3f7fac00-a98a-42d2-b720-92740306bffb | ||
Product Description
5SV3621-4
The Siemens 5SV3621-4 is a high-performance 2-pole Residual Current Circuit Breaker (RCCB) designed for demanding environments. With a rated current of 16 A and residual current sensitivity of 300 mA, this device ensures reliable protection against a wide range of earth fault currents, including AC, pulsating DC, and smooth DC currents, as it features Type B sensitivity.
The breaker includes a short-time delay feature to prevent nuisance tripping, and it is part of the SIGRES series, which is engineered specifically for harsh ambient conditions—such as high humidity, dust, or corrosive atmospheres. It also includes an extended test interval, reducing maintenance frequency in critical or inaccessible areas.
Key Features and Specification
- Rated Current (In): 16 A
- Rated Voltage (Un): 230 V AC
- Number of Poles: 2P (Phase + Neutral)
- Residual Current Type: Type B (detects AC, pulsating DC, and smooth DC)
- Rated Residual Current: 300 mA
- Tripping Characteristic: Short-time-delayed (for improved selectivity)
- Special Feature: SIGRES – Suitable for harsh environmental conditions
- Test Interval: Extended
- Mounting: DIN rail
Technical Information
- Number: 5SV3621-4
- EAN: 4001869548906
- Commodity Code: 85362010
- Catalog Reference: LV10
- Product Group: 5513
- Group Code: P310
- Lifecycle Status: PM300 – Active Product
Applications
- Suitable for environments with high humidity, dust, or aggressive air
- Ideal for industrial facilities, infrastructure, and renewable energy systems
- Protects against all forms of residual currents including smooth DC – required for devices like EV chargers, inverters, UPS systems, and medical equipment
- Excellent choice for installations requiring enhanced operational reliability
Summary:
The 5SV3621-4 RCCB is a robust and versatile Type B residual current breaker from Siemens, tailored for harsh operating conditions. With short-time delay and SIGRES environmental protection, it provides dependable protection for critical applications while minimizing false tripping and maintenance needs.
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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