EMAIL US：salesmanager@singi.com
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| Num： | |
|---|---|
| Certificate | SAA,CE,CB | |
| Standard | EN61009-1、AS/NZSIEC 61009-1、GB/T16917.1 | |
| Pole | 1P+N | |
| Rated Working Voltage Ue | AC240V | |
| Maximum Current of the Shell Frame | 40A | |
| Rated Current In | 6A.10A.16A.20A.25A.32A.40A | |
| Rated Insulation Voltage Ui | 500V | |
| Rated Impulse withstand Voltage Uimp | 4kV | |
| Rated Residual Operating Current I△n | 10mA、30mA、50mA、100mA | |
| Rated Frequency | 50/60Hz | |
| Type of Residual Operating Current Protection | Type A,Type AC | |
| Rated Residual Current Breaking Capacity I△m | 3000A | |
| Tripping Type | Thermomagnetic | |
| Instant Release Type | Type B,Type C | |
| Limiting Breaking Capacity Icu | 6kA | |
| Operational Breaking Capacity Ics | 6kA | |
| Electrical Life | Actual Average Value | ≥ 3000 Times |
| Standard Specified Value | 2000 Times | |
| Mechanical Life | Actual Average Value | ≥ 5000 Times |
| Standard Specified Value | In≤25A 2000Times | |
| In＞25A 1000Times | ||
| Over-voltage Level | Ⅲ | |
| Pollution Degree | 3 | |
| Protection Grade | IP20 | |
| Wiring Capacity | 1.0-16mm² | |
| Wiring Torque | 1.5Nm | |
| Operating Ambient Temperature | -25℃~70℃ | |
| Storage Ambient Temperature | -35℃~80℃ | |
| Installation Method | DIN35 | |
| Altitude | ≤2000m | |
| Dimension | Length:85mm;Width:18mm;Height:79mm; | |
| Weight | 0.13kg/piece | |
1.About SINGI
Zhejiang Singi Electrical LLC (Singi Group) is a premier manufacturer of low-voltage electrical systems with 30 years of development history. Established in 1995, the company operates a 40,000 m² state-of-the-art manufacturing plant and employs over 300 professionals, including a dedicated 30-member R&D team.
With a registered capital exceeding USD 10 million, Singi has secured over 50 national patents and maintains rigorous quality standards through ISO 9001, ISO 14001, and ISO 45001 certifications. Our products are trusted in over 30 countries and carry global safety marks including CE, CB, SAA, UL, and ETL.
2.Frequently Asked Questions (FAQ)
Q: Can I replace an MCB with an SGB5L-40 RCBO?
A: Yes. An RCBO provides all the protection of an MCB plus essential leakage (shock) protection. It is a recommended upgrade for any circuit serving sockets or wet areas, provided there is neutral terminal space in your consumer unit.
Q: What is the difference between Type A and Type AC for this model?
A: Type AC is for standard AC-only loads like heaters. Type A is the modern standard, capable of detecting both AC and pulsating DC faults caused by electronic devices like laptops and LED drivers.
Q: Why does my RCBO trip when I turn on multiple appliances?
A: This is often "Cumulative Earth Leakage." Modern electronics have small natural leakages; when multiple devices are on one circuit, the total leakage may exceed the 30mA safety threshold. We recommend distributing loads across multiple SGB5L-40 units.
Q: How often should I use the 'Test' button?
A: We recommend pressing the test button at least once every six months (or monthly per some local regulations) to ensure the internal tripping mechanism remains functional.
3.Key Benefits & Features
Space-Saving 18mm Design: Utilizing a 1P+N structure, the SGB5L-40 occupies only one standard module width (18mm). This allows for doubling the number of circuits in a standard distribution board compared to traditional 36mm 2P RCBOs.
Advanced Type A Protection: Unlike standard Type AC breakers, the Type A version of SGB5L-40 can detect pulsating DC residual currents. This makes it essential for modern environments containing LED lighting, computers, and smart home appliances.
Superior Reliability: With a mechanical life exceeding 5,000 cycles and an electrical life of 3,000 cycles, the SGB5L-40 significantly outperforms standard requirements for long-term operational safety.
Environmental Resilience: Designed to operate in temperatures ranging from -25°C to +70°C, ensuring stable protection in extreme climates.
Modern Residential: Ideal for kitchen and bathroom circuits where moisture increases shock risks. The Type A functionality protects sensitive home electronics from complex electrical faults.
Commercial Offices: Provides dedicated protection for individual workstation circuits, isolating faults to a single circuit without disrupting the entire office power supply.
Light Industrial: Suitable for automated machinery and small motor controls where 6kA breaking capacity and C-type tripping curves are required to handle inrush currents.
