Siemens SINAMICS V20 6SL3210-5BE21-5UV1 1.5 kW 3-Phase VFD

Siemens SINAMICS V20 6SL3210-5BE21-5UV1 1.5 kW 3-Phase VFD

Product Identity

The Siemens SINAMICS V20 6SL3210-5BE21-5UV1 is a 1.5 kW (2 HP) three-phase-input AC drive for adjustable-speed operation of appropriately rated induction motors. This specific UV1 product operates on a 380–480 V AC three-phase line supply and has no integrated EMC filter. Siemens documents an integrated braking chopper on this UV1 version. It is not the C3-filtered CV0 variant, nor the earlier unfiltered UV0 version lacking the integrated braking unit. Exact identification is important for replacements, procurement, drive-panel design and accessory selection.

Electrical Ratings

The drive has a nominal 380–480 V AC three-phase input, with Siemens documenting a −15%/+10% line-voltage tolerance and 47–63 Hz input frequency. Its three-phase rated output-voltage references are 400 V under IEC and 480 V under NEC. Siemens lists a 1.50 kW / 2.00 HP rated motor power for both Low Overload (LO) and High Overload (HO) operating classifications. Rated output current is 4.10 A for LO and HO, and the output frequency range is 0–550 Hz. Siemens notes that its output-current and horsepower figures apply at 440–480 V; suitability at other voltages and operating conditions must follow the manufacturer’s sizing and derating guidance. The upper frequency limit is not an assurance that a connected motor can safely operate at that speed.

Control Modes and Performance

The SINAMICS V20 family is intended for general variable-speed motor applications, with adjustable-frequency motor control, configurable acceleration and deceleration, and user-programmable operating parameters. For this exact model, Siemens states two overload classifications. Low Overload permits 110% of rated output current for 60 seconds with a 300-second cycle. High Overload permits 150% for 60 seconds with a 300-second cycle. These temporary overload capabilities do not raise the continuous 4.10 A output-current rating. Verify the motor nameplate, starting requirements and required overload duty before specifying the converter. Advanced feedback or servo-positioning performance should not be assumed.

Communication and Configuration

Siemens specifies integrated USS and Modbus RTU communication for this product. The drive uses the V20 family’s standard serial communication facility; confirm physical terminal wiring, protocol settings, termination and network topology in the installation manual. The model includes a built-in basic operator panel (BOP), allowing local configuration and operation without treating an external keypad as included equipment. Manufacturer documentation also lists four digital inputs, two digital outputs, two analog inputs and one analog output. Any external gateways or optional communication accessories must be selected and ordered separately when applicable.

Braking, EMC and Built-in Functions

The exact 6SL3210-5BE21-5UV1 UV1 variant is unfiltered: Siemens describes the integrated EMC filter class as ‘Unfiltered’. This does not mean the installation is exempt from EMC requirements. Appropriate wiring, shielding, earthing and any necessary external filtering depend on the application and regulatory environment. Unlike the prior UV0 product, this UV1 model includes an integrated braking chopper. A braking resistor is a distinct external component and is not confirmed as supplied with the drive; confirm resistor ratings, compatibility, wiring and thermal protection from Siemens instructions before installing one. Do not confuse protective fault monitoring with a certified functional-safety function.

Installation and Environmental Conditions

This product uses the Siemens FSA frame with a nominal width of 90 mm, height of 166 mm and depth of 145.5 mm. Its IP20 / UL open-type protection requires appropriate enclosure planning for industrial environments. Siemens identifies external-fan cooling, wall or side-by-side mounting, a 1,000 m reference installation altitude, and an operating ambient range of −10 to 60 °C subject to derating. In particular, manufacturer guidance calls for derating at temperatures of 40 °C and above. The stated maximum motor-cable lengths are 10 m shielded and 50 m unshielded under the documented conditions. Cabinet ventilation, thermal clearances, grounding and line protection should be established from the appropriate installation instructions.

Applications and Selection Guidance

Appropriately sized pumps, fans, ventilation systems, conveyors, mixers and similar induction-motor machinery are potential applications where the load characteristics fit the motor and drive. These are technical suitability examples rather than guaranteed approvals for any particular machine. Variable-speed operation may support improved process adjustment, but savings depend on the operating profile. Applications involving high inertia or rapid deceleration may require a correctly selected external braking resistor and verified duty conditions. Review motor voltage, full-load current, operating duty, cable length, environmental conditions and any EMC obligations before ordering.

Variant Verification

The complete Siemens article number 6SL3210-5BE21-5UV1 identifies a 1.5 kW V20, three-phase 380–480 V AC, unfiltered UV1 version equipped with an integrated braking chopper. Siemens’ 6SL3210-5BE21-5UV0 predecessor must not be assumed to have the same braking configuration. Likewise, the CV0/CV1 filtered model family has a different integrated EMC arrangement. This workbook does not treat either earlier-model ratings or filters as interchangeable with the specified drive.

Official Manufacturer Links

Official Manufacturer Product Page: https://mall.industry.siemens.com/mall/en/WW/Catalog/Product/6SL3210-5BE21-5UV1

Official Manufacturer Datasheet / Technical Documentation: https://mall.industry.siemens.com/mall/sg/EN/Catalog/Product/teddatasheet/?caller=Mall&format=PDF&language=en&mlfbs=6SL3210-5BE21-5UV1

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