Siemens 6SL3210-1KE21-3AF1 SINAMICS G120C Compact Drive 5.5kW 400V 3-Phase PROFINET

Siemens 6SL3210-1KE21-3AF1 is a compact variable frequency drive from the SINAMICS G120C series, designed for three-phase asynchronous and synchronous motors in industrial automation systems. It operates on a 380‑480V AC input and delivers 5.5kW (7.5HP) in low overload applications.

The drive offers comprehensive connectivity with built-in PROFINET-PN dual-port communication, integrated Safe Torque Off (STO) safety function, and six digital inputs, two digital outputs, one analog input and one analog output for field device integration. It features an integrated Class A EMC filter meeting IEC 61800-3 Category C2 standards, with IP20 protection for control cabinet installation in factory automation, conveyor systems, pump applications and packaging machinery.

Applications

• Conveyor systems and material handling

• Industrial pumps, fans, and compressors

• Packaging machinery and OEM equipment

• HVAC systems and building automation

• General-purpose motor control in factories

Key Features

• 5.5kW (7.5HP) rated power with 150% overload for 3 seconds

• 3‑phase 380‑480V AC input, 0‑550Hz output

• Integrated PROFINET-PN fieldbus (EtherNet/IP compatible)

• 6 digital inputs, 2 digital outputs, 1 analog input, 1 analog output

• Safe Torque Off (STO) integrated, no external safety module required

• Built‑in Class A EMC filter

• Compact FSB size: 196 × 100 × 203 mm

• IP20 protection rating

Technical Specifications

• Manufacturer: Siemens

• Model: 6SL3210-1KE21-3AF1

• Product Type: SINAMICS G120C Compact Converter

• Rated power (low overload): 5.5 kW (7.5 HP)

• Rated power (high overload): 4.0 kW (5.4 HP)

• Input voltage: 3 AC 380‑480V +10/-20%

• Input frequency: 47‑63 Hz

• Output current (rated): 12.5 A

• Output current (max): 17.6 A

• Output frequency: 0‑550 Hz

• Overload capacity (LO): 150% for 3s, 110% for 57s

• Overload capacity (HO): 200% for 3s, 150% for 57s

• I/O interface: 6DI, 2DO, 1AI, 1AO, 1Mot_t

• Fieldbus: PROFINET-PN (EtherNet/IP compatible)

• Safety function: Safe Torque Off (STO)

• EMC filter: Integrated Class A

• Protection rating: IP20 / UL Open Type

• Dimensions (H × W × D): 196 × 100 × 203 mm

• Net weight: 3.0 kg

• Operating temperature: -10°C to +40°C

• Cooling: Internal fan

• Certifications: CE, UL, cUL, RCM, EAC, KC

System Integration

• PLC Controllers: SIMATIC S7‑1200, S7‑1500 via PROFINET

• Engineering Software: STARTER, SINAMICS Startdrive (TIA Portal)

• Networks: PROFINET-PN, EtherNet/IP, Modbus TCP (via gateway)

• Mounting: Wall or panel mount (FSB size)

Related Products

• Braking Resistor: Siemens 6SL3201‑0BE21‑0AA0

• Operator Panel: Siemens 6SL3255‑0AA00‑4BA1 (Basic Operator Panel BOP‑2)

• PLC Controller: Siemens 6ES7215‑1AG40‑0XB0 S7‑1200 CPU 1215C

• Line Reactor: Siemens 6SL3202‑0AE18‑8CA0

PLC ERA is an independent industrial automation distributor. Products are sourced from established supply channels and inspected before shipment. International shipping available.