The Siemens 5SV33443 5SV3344-3 is a residual current circuit breaker (RCCB) featuring a 40 A rating and a tripping sensitivity of 0.03 A at 400 V. It is designed to protect electrical circuits by detecting and interrupting earth leakage currents, enhancing safety in residential, commercial, or industrial environments. Typical applications include use in distribution boards where protection against earth faults is essential.
| Type |
RCCB |
| Additional equipment possible |
TRUE |
| Ambient temperature during operating |
-25 - 45°C |
| Built-in depth |
70mm |
| Connectable conductor cross section multi-wired |
0.75 - 35mm² |
| Connectable conductor cross section solid-core |
0.75 - 35mm² |
| Construction size (in accordance with DIN 43880) |
1 |
| Current Ratng |
0.03A |
| Degree of protection (IP) |
IP20 |
| Depth |
70mm |
| Differential current rating |
0.03A |
| Dim |
(W x H x D) 72 x 90 x 70 mm |
| Explosion-proof |
false |
| Frequency |
50 Hz |
| Height |
90mm |
| Leakage current type |
F |
| Mounting method |
DIN rail |
| Number of Pins |
4 |
| Number of Poles |
4 |
| Pollution degree |
2 |
| Power loss |
1.8W |
| RAL-number (similar) |
7035 |
| Rated current |
40A |
| Rated fault current |
0.03A |
| Rated impulse withstand voltage Uimp |
6kV |
| Rated insulation voltage Ui |
2000V |
| Rated voltage |
400V |
| Release characteristics |
F |
| Selective protection |
FALSE |
| Short-circuit breaking capacity (Icw) |
10kA |
| Short-time delayed tripping |
TRUE |
| Surge current capacity |
3kA |
| Switch-off capacity |
0.8kA |
| Voltage Rating |
400V |
| Voltage type |
AC |
| Width |
72mm |
| Width in number of modular spacings |
4 |
| With interlocking device |
TRUE |
