5SV3644-4 SIEMENS SENTRON Residual Current Circuit Breaker
The SIEMENS 5SV3644-4 is an all-current sensitive (Type B) 4-pole Residual Current Circuit Breaker (RCCB) from the SENTRON family, designed to provide comprehensive protection for personnel, equipment, and fire prevention in advanced three-phase electrical systems. Engineered to detect smooth DC fault currents as well as pure AC and pulsating DC residual currents, this 40A device with 300mA rated residual current is essential for protecting circuits powering frequency converters, variable speed drives, solar PV inverters, UPS installations, and EV charging stations. It features a compact 4-module width, ergonomic toggle lever with status indication, and an integrated test button for reliable maintenance and safety compliance.
| Location | Available |
|---|---|
| Ssaoco Jeddah | 1 |
Parameter | Specification |
|---|---|
Brand / Manufacturer | SIEMENS |
Product Series | SENTRON 5SV3 |
Model / Part Number | 5SV3644-4 (5SV3 644-4) |
Product Type | All-Current Sensitive Residual Current Circuit Breaker (RCCB) |
Number of Poles | 4-Pole (3P + N) |
Rated Current ($I_n$) | 40 A |
Rated Residual Current ($\Delta I_n$) | 300 mA (0.3 A) |
Residual Current Type | Type B (All-current sensitive: AC, pulsating DC, and smooth DC residual currents) |
Rated Operational Voltage ($U_e$) | 400 V AC (50/60 Hz) |
Surge Current Resistance | 3 kA (8/20 µs) |
Short-Circuit Withstand Capability ($I_{nc}$) | 10 kA (with suitable backup fuse) |
Mounting Type | Standard 35mm DIN rail (EN 60715) |
Width in Module Units | 4 MW (72 mm) |
Terminal Connection | Screw terminals (Touch-safe IP20) |
Operating Temperature Range | -25°C to +45°C |
Certifications | CE, VDE, EAC, UKCA, CCC |
Key Features | All-current sensitivity (Type B), smooth DC fault detection, high surge current capacity, integrated test button, DIN-rail mounting |
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- Started from: Jul 10, 2025
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