The Siemens 3RV2021-4DA10 is a circuit breaker with an adjustable amperage range of 18 - 25 A and a maximum switching voltage of 690 V AC. Measuring 45 x 97 x 97 mm, it is designed for efficient protection of electrical circuits. Commonly used as an auxiliary contactor, it is suitable for safeguarding motors and other electrical equipment.
| Type |
Circuit breaker |
| Adjustment range (amperage) |
18 - 25 A |
| Amperage adjustment range (max.) |
25A |
| Amperage adjustment range (min.) |
18A |
| Connection |
Screws |
| Degree of protection (IP) |
IP20 |
| Depth |
97mm |
| Device construction |
Built-in device fixed built-in technique |
| Dim |
(W x H x D) 45 x 97 x 97 mm |
| Height |
97mm |
| IP rating |
IP20 |
| Max. temperature |
+60°C |
| Min. temperature |
-20°C |
| Misc Attribute 1 |
3RV2021-4DA10 |
| Misc Attribute 2 |
S0 |
| Mounting Type |
DIN rail |
| No. of pins |
3-pin |
| Number of Poles |
3 |
| Phase failure sensitive |
TRUE |
| Rated operation power at AC-3, 230 V |
5.5kW |
| Rated operation power at AC-3, 400 V |
11kW |
| Rated permanent current Iu |
25A |
| Rated short-circuit breaking capacity Icu at 400 V, AC |
55kA |
| RoHS-compliant |
Yes |
| Switch off technique |
Magnetic |
| Switching voltage (max.) |
690V AC |
| Type of control element |
Turn button |
| Type of electrical connection of main circuit |
Screw connection |
| Width |
45mm |
| With integrated auxiliary switch |
FALSE |
| With integrated under voltage release |
FALSE |
| With thermal overload protection |
TRUE |
