Siemens SINAMICS V20 6SL3210-5BB12-5BV1 0.25 kW 1-Phase VFD

Siemens SINAMICS V20 6SL3210-5BB12-5BV1 0.25 kW 1AC 230 V VFD

Siemens part 6SL3210-5BB12-5BV1 is the filtered SINAMICS V20 basic frequency converter rated for a 0.25 kW three-phase asynchronous motor. It takes a single-phase 200–240 V AC supply in the 230 V class and provides adjustable motor speed for simple industrial motion sequences. The exact variant is frame size FSAA without a fan, with an integrated C1 line filter. A motor and external braking equipment are separate system components.

Electrical Ratings

Siemens lists 0.25 kW and 0.33 hp for this power size. Rated continuous output current is 1.7 A, with 4.5 A rated input current. The reviewed operating instructions specify a 200–240 V AC supply range with −15%/+10% tolerance and 47–63 Hz input frequency. Nominal 230 V identifies the voltage class rather than a requirement for exactly 230 V. Lower supply voltage and operating conditions can reduce usable speed or torque.

The drive controls three-phase asynchronous induction motors. Match the motor nameplate voltage, connection, rated current and thermal requirements to the drive; single-phase supply does not mean a single-phase motor output. A separate numerical output-voltage rating was not found in the inspected text, so this remains explicitly unverified in the specification table. The reviewed 04/2019 manual gives a default output-frequency range of 0–550 Hz with 0.01 Hz resolution. Machine and motor speed limits still govern the configured maximum.

Control Modes and Performance

Available control methods are linear V/f, quadratic V/f, multi-point V/f and V/f with flux current control (FCC). These are suitable for basic speed control; the reviewed documentation does not establish encoder-based closed-loop positioning for this variant. Commissioning includes entering the motor data and choosing the appropriate control and application settings.

For the 0.12–15 kW range, Siemens specifies 150% rated current for 60 s, followed by 94.5% rated current for 240 s. This is a temporary overload cycle rather than a higher continuous rating. The family describes this as high overload; the selectable HO/LO power combinations of larger V20 models must not be transferred to this 0.25 kW drive.

Communication and Configuration

The integrated physical communication interface is RS-485. Its selectable protocols are USS or Modbus RTU, with USS as the documented default. Correct screened twisted-pair wiring and bus termination are required. This serial interface does not establish built-in Ethernet or wireless networking.

The built-in Basic Operator Panel supports local parameter entry, status viewing and commissioning. The optional SINAMICS V20 Smart Access module provides browser-based commissioning from a compatible phone, tablet or laptop. The module is separately purchased; wireless commissioning is not included in the base drive. Parameter cloning equipment is also optional. No mandatory PC software license is asserted for keypad commissioning.

Braking EMC and Built-in Functions

The BV1 ordering variant is the filtered version; the corresponding UV1 part is unfiltered. C1 compliance depends on the complete installation, screening, cable length and switching-frequency conditions in the Siemens instructions. An integrated filter does not remove the need for correct grounding or system EMC assessment.

Frame size FSAA requires an external dynamic braking module and an appropriately selected external resistor when resistor braking is needed. Neither is treated as included. Siemens documents module 6SL3201-2AD20-8VA0 for frames AA to C. The drive also offers configurable functions such as JOG, application macros and PID control. These parameterized drive functions are not evidence of a user-programmable onboard PLC.

Installation and Typical Applications

Mount the unit vertically on a flat non-combustible surface inside an enclosed electrical operating area or suitable control cabinet. The FSAA outline is 68 × 142 × 107.8 mm (W × H × D), useful when checking replacement fit. Allow at least 100 mm above and below. IP20 is the drive protection rating; the surrounding enclosure must suit contamination and moisture conditions.

The manual permits −10 °C to 40 °C without temperature derating and higher temperatures only with derating and applicable certification limits. Output current also needs derating above 1000 m and under other specified conditions. Technically appropriate suggestions include small fans, pumps, conveyors and mixers using a compatible three-phase motor within the 1.7 A continuous limit. Fast stopping or repeated regenerative operation needs separate braking assessment.

Exact Variant Identification

Use the complete 6SL3210-5BB12-5BV1 identifier when selecting this product. It distinguishes the 0.25 kW filtered FSAA unit from the 0.12 kW model, the unfiltered 0.25 kW variant and larger fan-cooled units. Confirm the delivered nameplate and applicable instructions before installation, especially where a firmware revision affects frequency limits or installation details.

Official Manufacturer Links

Official Manufacturer Product Page: https://sieportal.siemens.com/en-ww/products-services/detail/6SL3210-5BB12-5BV1

Official Manufacturer Datasheet / Technical Documentation: https://cache.industry.siemens.com/dl/files/394/109768394/att_988984/v1/V20_op_instr_0419_en-US.pdf

Family-level Product Page: https://www.siemens.com/en-us/products/sinamics/v20/

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