Siemens 6SL3210-1KE21-7AB1 Variable Frequency Drive
Siemens Variable Frequency Drive 6SL3210-1KE21-7AB1 Technical Specifications

| Brand | Siemens |
| Product Type | Variable Frequency Drive (VFD) |
| Model Number | 6SL3210-1KE21-7AB1 |
Siemens Variable Frequency Drive 6SL3210-1KE21-7AB1 - Technical Specifications
| Specification | Value |
|---|---|
| Product Description | SINAMICS G120C rated power 3AC380-480V +10/-20% 47-63Hz low overload: 7,5kW at 150% 3s, 110% 57s, 100% 240s high overload: 5,5kW at 200% 3s, 150% 57s, 100% 240s integrated filter class A external 24V I/O interface: 6DI, 2DO,1AI,1AO, 1Mot_t Safe Torque Off integrated Fieldbus: USS/ MODBUS RTU Protection: IP20/ UL OPEN TYPE Size: FSB 196X100X203(HXWXD) |
| Product family | Not available |
| Product Lifecycle (PLM) | PM300:Active Product |
| Metal Factor | None |
| Net Weight (kg) | 3.000 Kg |
| Packaging Dimension | 255.00 x 260.00 x 125.00 |
| Country of origin | China |
The Siemens 6SL3210-1KE21-7AB1 VFD Drive is a high-performance variable frequency drive (VFD) from Siemens, designed for precise motor control in industrial automation. Part of the trusted SINAMICS G120C series, this model delivers reliable, energy-efficient performance for engineers and industries seeking consistent automation solutions in manufacturing, processing, and infrastructure applications.
The Siemens 6SL3210-1KE21-7AB1 VFD operates on 3AC 380β480V with a rated power of 7.5 kW low overload and 5.5 kW high overload, offering flexible performance for varying load requirements. It supports short-term overloads of 150% for 3 seconds, 110% for 57 seconds, and 100% for 240 seconds at low overload, and up to 200% for 3 seconds, 150% for 57 seconds at high overload, ensuring smooth operation under dynamic industrial conditions. The drive features an integrated filter Class A, external 24V I/O interface with 6 digital inputs, 2 digital outputs, 1 analog input, 1 analog output, and 1 Mot_t Safe Torque Off. Communication is seamless via USS/MODBUS RTU fieldbus, and the IP20 protection rating with UL open type compliance provides safe and reliable installation. With compact dimensions of 196 Γ 100 Γ 203 mm (HxWxD) and a net weight of 3 kg, this VFD ensures easy integration into control panels and automation setups.
Industries widely employ the Siemens 6SL3210-1KE21-7AB1 VFD Drive for controlling pumps, fans, conveyors, mixers, and compressors where precise speed regulation and energy optimization are crucial. Maintenance engineers and students can appreciate its robust overload capabilities, simplified commissioning via integrated safety features, and compatibility with standard industrial communication protocols. Lightweight and compact, it reduces installation complexity while providing reliable, continuous operation in demanding industrial environments. Choosing the Siemens 6SL3210-1KE21-7AB1 VFD ensures long-term operational stability, energy efficiency, and seamless integration, making it a trusted solution for automation applications.




