SINAMICS G120C 6SL3210-1KE18-8UF1 Drives

SINAMICS G120C 6SL3210-1KE18-8UF1 Inverter Drive

Manufacturer	Siemens
Part Number	6SL3210-1KE18-8UF1
Product Type	AC Inverter Drives

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Category: AC Inverter Drives Tags: AC Inverter Drives, Siemens, Siemens Drive, Sinamics G120C Brand: Siemens

Description
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Product Introduce

6SL3210-1KE18-8UF1 is a SINAMICS G120C series inverter, adapted to 380-480V three-phase power supply, LO mode 4.0kW, HO mode 3.0kW, integrated PROFINET and STO, suitable for medium power loads such as fans, pumps, conveyor belts, etc.

Key Feature

Item	Parameter
Rated Power	LO: 4.0kW; HO: 3.0kW
Rated Output Current	LO: 10.0A; HO: 7.5A
Input Power Supply	3AC 380-480V (±10%/-20%), 47-63Hz
Overload Capacity (300s cycle)	LO: 150% for 3s, 110% for 57s, ≤100% for the rest time; HO: 200% for 3s, 150% for 57s, ≤100% for the rest time
I/O Configuration	6DI, 2DO, 1AI, 1AO, 1 motor temperature input, external 24VDC power supply
Communication/Safety	PROFINET-PN, integrated STO (Safe Torque Off)
Protection Class/Dimensions	IP20 / UL Open Type; 196×73×200mm (H×W×D)
Cooling/Efficiency	Natural cooling, efficiency approx. 97%

FAQ:

1.What are the rated power and current of 6SL3210-1KE18-8UF1 in LO and HO modes?

LO mode: rated power 4.0kW, rated output current 10.0A
HO mode: rated power 3.0kW, rated output current 7.5A

2.What is the cooling method and energy efficiency level of 6SL3210-1KE18-8UF1?

Cooling method: Natural cooling is used, relying on the chassis for heat dissipation. No forced fan is required. The installation requires reserved space for heat dissipation. It is suitable for cabinet/wall installation scenarios with an IP20 protection level.
Energy efficiency level: The efficiency is about 97% (typical working conditions). When the basic version has no options, according to the EN 50598 standard, the rated apparent power loss is about 1.0% – 1.5%, and the operating loss is about 57-90W. It is suitable for medium and light load high-efficiency operation scenarios.

3.What are the core parameter differences between 6SL3210-1KE18-8UF1 and the same series 6SL3210-1KE15-8UF2?

Item	6SL3210-1KE18-8UF1	6SL3210-1KE15-8UF2	Difference Description
Rated Power (LO/HO)	4.0kW / 3.0kW	2.2kW / 1.5kW	Higher power rating, suitable for medium-power loads
Rated Output Current (LO/HO)	10.0A / 7.5A	5.6A / 4.1A	Higher current-carrying capacity
Overload Capacity (300s cycle)	LO: 150% for 3s, 110% for 57s; HO: 200% for 3s, 150% for 57s	LO: 150% for 3s, 110% for 57s; HO: 200% for 3s, 150% for 57s	Same overload curve, different actual load capacity due to power gap
Dimensions (H×W×D, mm)	196×73×200	173×73×160	Larger size, higher installation space requirement
Cooling Method	Natural Cooling	Forced Air Cooling (integrated fan)	No fan required for the former; air duct reserved for the latter
I/O Configuration	6DI, 2DO, 1AI, 1AO, 1 motor temperature input	6DI, 2DO, 1AI, 1AO, 1 motor temperature input	Identical I/O configuration
Communication/Safety	PROFINET-PN, integrated STO	PROFINET-PN, integrated STO	Same communication and safety functions
Protection Class	IP20 / UL Open Type	IP20 / UL Open Type	Same protection class