Siemens MICROMASTER MI400/3 Variable Frequency Drive (VFD)
Siemens MICROMASTER MI400/3 VFD with built-in filter, 4.0kW, IP65.
The Siemens 6SE9621-1DD50 is a MICROMASTER integrated MI400/3 variable frequency drive (VFD) with a built-in Class A filter. It operates on a 3-phase AC input voltage of 380-480V (±10%) at 47-63Hz. This drive is rated for 4.0 kW in both constant torque and variable torque applications, with a 150% overload capability for 60 seconds. Its dimensions are 128 x 171 x 243 mm, and it features an IP65 protection degree for dust and water resistance. The operating temperature range is -10 to +50 °C.
This VFD is suitable for controlling the speed of three-phase AC motors in a wide range of industrial applications, including pumps, fans, conveyors, and machine tools. The integrated filter helps reduce electromagnetic interference, and the IP65 rating allows for use in demanding environmental conditions.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 6SE9621-1DD50. We provide reliable, cost-effective automation solutions and quality components.
| Type | Variable Frequency Drive (VFD) |
| Series | MICROMASTER MI400/3 |
| Input Voltage | 3AC 380-480V +/-10% |
| Frequency | 47-63Hz |
| Power | 4.0kW (Constant & Variable Torque) |
| Overload | 150% 60 sec |
| Filter | Class A (Built-in) |
| Dimensions | 128 x 171 x 243 mm |
| Protection | IP65 |
| Operating Temp | -10 to +50 °C |