Siemens SINAMICS V20 6SL3210-5BE21-1CV1 1.1 kW 3-Phase VFD

Siemens SINAMICS V20 6SL3210-5BE21-1CV1 1.1 kW 3-Phase VFD

Product identity

6SL3210-5BE21-1CV1 is a Siemens SINAMICS V20 basic AC frequency converter, rated at 1.1 kW, intended for speed control of compatible three-phase motors. This CV1 order-number variant has a three-phase 380–480 V AC line input, an integrated C3 EMC filter and an integrated braking unit. The filtering and braking details are important ordering distinctions: the older CV0 part number should not be substituted in a technical description.

Electrical Ratings

The input is three-phase 380–480 V AC, with the manufacturer-listed tolerance of −15%/+10%, and a 47–63 Hz line-frequency rating. The nominal three-phase output voltage is tied to the supply voltage, commonly described as 400 V IEC / 480 V NEC class. Rated motor power is 1.1 kW. Published family data indicates 3.10 A rated output for this power level; verify the exact output-current and duty conditions against the Siemens nameplate before final motor selection. Do not interpret rated output current as the temporary overload current, or infer a motor HP rating from kW.

Control modes and performance

The SINAMICS V20 family is intended for adjustable-speed drive control and provides user-configurable motor and application settings. Siemens lists 150% overload for 60 seconds for this product in its catalogue description. Normal and high overload classifications, associated cycles, and reductions at higher ambient temperature must be checked against the exact datasheet when engineering the installation. A drive frequency command does not establish a safe speed for every motor, gearbox or driven machine.

Communication and configuration

The product description identifies USS and Modbus RTU fieldbus communication, and an integrated basic operator panel (BOP). Distinguish the serial communication protocol from any physical service interface; do not assume an Ethernet interface or Ethernet-based industrial protocols. The built-in BOP supports local commissioning and parameter adjustment. External communication accessories, if needed, must be separately selected and confirmed compatible.

EMC filter and braking configuration

This CV1 product has an integrated EMC filter identified as C3 in Siemens ordering information. C3 is an installation-context EMC classification and does not automatically establish suitability for every residential or first-environment installation. Siemens specifically states that the CV1 revision includes an integrated braking unit. A braking chopper or unit is not the same thing as an external braking resistor: any resistor, its rating, its wiring, or its inclusion in the shipment must be verified independently. Do not transfer the CV0 hardware description to this CV1 model.

Installation and protection

Siemens lists enclosure protection IP20 / UL open type and frame size FSA. Dimensions are approximately 90 × 166 × 145.5 mm (width × height × depth) in its product identification. An IP20 drive is intended for an appropriate indoor electrical installation and may require a suitably rated cabinet based on environmental exposure and local electrical requirements. Maintain manufacturer clearances, cooling and earthing requirements, and apply suitable upstream protective devices. Siemens documentation gives thermal derating guidance; confirm actual operating conditions.

Typical applications

Subject to verification of motor rating, mechanical load and duty cycle, a 1.1 kW V20 can be considered for small conveyors, pumps, fans, simple packaging equipment, material-handling drives and speed-adjustable processing machines. These are application suggestions rather than a statement that every installation is approved or that the VFD supplies safety-rated motion functions. Braking-intensive machines require separate evaluation of resistor sizing and deceleration energy.

Exact variant verification

The exact part number is 6SL3210-5BE21-1CV1. Siemens identifies the older 6SL3210-5BE21-1CV0 as replaced by this successor. The successor description explicitly adds an integrated braking unit, so replacing a CV0 unit requires a careful check of wiring, commissioning and braking arrangement. Neither the equivalent unfiltered UV1 variant nor other frame-size or power variants should be treated as identical.

Official manufacturer links

Official Manufacturer Product Page: https://mall.industry.siemens.com/mall/en/WW/Catalog/Product/6SL3210-5BE21-1CV1

Official Manufacturer Datasheet / Technical Documentation: https://mall.industry.siemens.com/mall/en/EN/Catalog/Product/teddatasheet/?caller=Mall&format=PDF&language=en&mlfbs=6SL3210-5BE21-1CV1

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