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6SL3120-1KE14-3UF1
This is a SIEMENS SINAMICS G120C Compact Built-in Inverter, a commonly used drive in industrial control.
Key Specifications
พลัง: 4.0 กิโลวัตต์
แรงดันไฟฟ้า: 3AC 380–480 V
Protection class: IP20
โหมดควบคุม: V/f, Vector Control
Communication: USS / Modbus RTU
Built-in: Class A EMC filter, braking chopper
Cooling: Self-cooling
Application
Fans, ปั๊ม, conveyors, คอมเพรสเซอร์, simple machine tools, and other light industrial & general drive applications.
6SL3120-1KE14-3UF1 Model Clarification & Additional Technical Data
1 Model Clarification
The model you queried, 6SL3120-1KE14-3UF1, should actually be 6SL3210-1KE14-3UF1 (common typo).
This is a SIEMENS SINAMICS G120C Compact Inverter, not from the S120 series.
2 ขนาด (Frame FSA)
| มิติ | ค่า (มม) | ค่า (inch) |
| Height (H) | 196 | 7.72 |
| Width (ว) | 73 | 2.87 |
| Depth (ดี) | 225.4 | 8.87 |
| น้ำหนัก | ประมาณ. 3.0 กก | ประมาณ. 6.61 lbs |
บันทึก: Depth increases by 17 mm with IOP panel, 7 mm with BOP-2 panel.
3 Mounting Hole Dimensions (Frame FSA)
Mounting: Wall-mounted, 6 × M5 screws (3 each side)
Hole spacing:
Horizontal: 63 มม (center distance)
Vertical: 186 มม (center distance)
Hole diameter: 5.5 มม (for M5 screws)
Tightening torque: 2.5 Nm
Clearance: Can be mounted side by side with no side clearance required.
4 Replacement Models
- Direct replacement: 6SL3210-1KE14-3UF2 (G120C upgraded version)
Same power: Low overload 1.5 กิโลวัตต์ (150% 3ส), High overload 1.1 กิโลวัตต์ (200% 3ส)
Added 1 × motor temperature input (Mot_t)
Optimized frame FSAA: 173×73×160 mm (more compact)
- Function variants:
With Class A EMC filter: 6SL3210-1KE14-3AF1 (spare part)
With PROFIBUS communication: 6SL3210-1KE14-3UB1
- Cross-series alternatives:
G120 Standard (modular): 6SL3210-1KE14-3UF0 (with CU240E-2 Control Unit)
V20 Economy: 6SL3210-5BE14-3UV0 (ต้นทุนที่ต่ำกว่า, simplified functions)
5 Additional Notes
- Original model 6SL3210-1KE14-3UF1 is discontinued; use 6SL3210-1KE14-3UF2 instead.
- Must be mounted vertically; keep ≥100 mm ventilation space at the bottom.
- Compatible panels: BOP-2 (Basic), IOP (Intelligent).
- การป้องกัน: IP20 (for indoor cabinet installation only).
Complete Replacement List for 6SL3210-1KE14-3UF1 (with Comparison)
1 Official Direct Replacement (Recommended)
| Replacement | Series | Key Differences | Frame | Application |
| 6SL3210-1KE14-3UF2 | G120C Compact | 1. Added motor temperature input (Mot_t) | FSAA | System upgrade, new design requiring motor temp monitoring |
| 2. Optimized frame FSAA (173*73*178 มม) | (173*73*178 มม) | |||
| 3. Same performance | ||||
| 4. PROFINET, no filter |
2 Same-Series Function Variants
2.1 With Class A EMC Filter
| แบบอย่าง | คุณสมบัติ | Replacement For |
| 6SL3210-1KE14-3AF2 | Built-in Class A EMC filter, same as UF2 | Replaces AF1 (spare), for high EMC requirements |
| 6SL3210-1KE14-3AF1 | Built-in Class A EMC filter, FSA frame, ยกเลิกแล้ว | Spare for old systems |
2.2 Different Communication
| แบบอย่าง | Communication | Replacement For |
| 6SL3210-1KE14-3UB2 | PROFIBUS‑DP, no filter, FSAA | Replaces UB1 for PROFIBUS networks |
| 6SL3210-1KE14-3UB1 | PROFIBUS‑DP, no filter, FSA frame, ยกเลิกแล้ว | Spare for old PROFIBUS systems |
2.3 Other Versions
| แบบอย่าง | Special Feature | Application |
| 6SL3210-1KE14-3UP2 | Without STO safety function, same as UF2 | Economic applications without safety torque off |
3 Cross-Series Alternatives
3.1 G120 Standard (Modular)
| แบบอย่าง | Composition | คุณสมบัติ |
| 6SL3210-1KE14-3UF0 + CU240E-2 | Power Module + Control Unit | 1. Flexible control unit change |
| 2. More expansion modules | ||
| 3. Lower maintenance cost | ||
| 4. Same power rating |
3.2 V20 Economy Inverter
| แบบอย่าง | คุณสมบัติ | Application |
| 6SL3210-5BE14-3UV0 | 1. Lower cost, simplified | Simple fan/pump speed control, budget projects |
| 2. V/f only, no vector control | ||
| 3. No built-in braking chopper | ||
| 4. IP20 |
3.3 G120X (Pump & Fan Optimized)
| แบบอย่าง | คุณสมบัติ | Application |
| 6SL3220-1KE14-3UF0 | 1. Optimized for pumps/fans | Water treatment, HVAC, wastewater |
| 2. Energy-saving function | ||
| 3. Multi-pump control | ||
| 4. Optional IP55 |
4 Selection Guide
- Choose 6SL3210-1KE14-3UF2 first: fully compatible, more compact, with motor temp input.
- By EMC:
General industry: UF2 (no filter)
Sensitive electronics: AF2 (with filter)
- By communication:
PROFINET: UF2 / AF2
PROFIBUS‑DP: UB2
- By function:
STO safety required: UF2 / AF2 / UB2
No safety: UP2
Modular: G120 Standard
Pumps/fans: G120X
Lowest cost: V20
5 Key Notes
- Original 6SL3210-1KE14-3UF1 is discontinued.
- UF2 / AF2 / UB2 / UP2 are currently in production.
- Mounting compatibility:
FSAA frame is more compact; holes differ from FSA.
- Parameter compatibility: similar to original; parameters can be imported directly.
Complete Spare Parts List for 6SL3210-1KE14-3UF1
1 Core Spare Parts (Full Unit Replacement)
1.1 Original Type
| Part No. | สถานะ | Description |
| 6SL3210-1KE14-3UF1 | ยกเลิก (since Oct 1, 2021) | SINAMICS G120C, 1.5 กิโลวัตต์ (150% 3ส), 380–480V, PROFINET, no filter, FSA, IP20, STO |
1.2 Official Direct Replacement (Recommended)
| Part No. | สถานะ | Key Differences | Application |
| 6SL3210-1KE14-3UF2 | In production | 1. Added Mot_t | Repair, upgrade, motor temp monitoring |
| 2. FSAA frame (173*73*178 มม) | |||
| 3. Same performance | |||
| 4. Full parameter compatibility |
1.3 FSA Frame Spares (Original Size)
| Part No. | คุณสมบัติ | สถานะ | For |
| 6SL3210-1KE14-3AF1 | Class A filter, PROFINET, STO | ยกเลิก (Nov 21, 2017) | Filter version replacement |
| 6SL3210-1KE14-3UB1 | PROFIBUS‑DP, no filter, STO | ยกเลิก | PROFIBUS systems |
| 6SL3210-1KE14-3UP1 | No STO, PROFINET, no filter | ยกเลิก | Economic version |
1.4 FSAA Frame Upgraded Parts
| Part No. | คุณสมบัติ | สถานะ | For |
| 6SL3210-1KE14-3AF2 | Class A filter, PROFINET, STO, Mot_t | In production | Replaces AF1 |
| 6SL3210-1KE14-3UB2 | PROFIBUS‑DP, no filter, STO, Mot_t | In production | Replaces UB1 |
| 6SL3210-1KE14-3UP2 | No STO, PROFINET, no filter, Mot_t | In production | Replaces UP1 |
2 Component-Level Spare Parts
| Part No. | ชื่อ | Frame | Description |
| 6SL3200-0SF12-0AA0 | Fan Kit | FSA/FSAA | Cooling fan; replaceable without full unit swap |
| 6SL3200-0SK10-0AA0 | Terminal Kit | FSA | STO connector, I/O terminals, door |
| 6SL3255-0AA00-4JA2 | IOP-2 Intelligent Panel | All | Parameter setup, monitoring, diagnostics |
| 6SL3255-0AA00-4BA1 | BOP-2 Basic Panel | All | Basic operation, ต้นทุนที่ต่ำกว่า |
| 6SL3200-0AE40-0AA0 | Power Connector Kit | FSA/FSAA | Mains & motor terminals |
3 Spare Part Selection Guide
- Emergency repair:
First choice: 6SL3210-1KE14-3UF2
If FSA frame must be kept: use stocked 6SL3210-1KE14-3UF1
- Function upgrade:
Motor temp monitoring: UF2 / AF2 / UB2 / UP2
High EMC: AF2
PROFIBUS: UB2
No safety: UP2
- Component repair:
Fan fault: 6SL3200-0SF12-0AA0
Terminal damage: 6SL3200-0SK10-0AA0
Panel fault: IOP-2 or BOP-2
4 Important Notes
- 6SL3210-1KE14-3UF1 is officially discontinued.
- UF2 / AF2 / UB2 / UP2 are available for order.
- Component parts (fan, ขั้ว, panel) have long-term availability.
- FSAA frame has different mounting holes from FSA; check space before installation.
