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| Элемент | Ценить |
| Модель | 1FK2104-5AF01-1MA0 |
| Ряд | SIMOTICS S-1FK2 HD (High Dynamic) |
| Rated Power | 0.75кВт (at 380–480V, nN=3000rpm) |
| Rated Torque | 2.4Nm |
| Rated Speed | 3000rpm |
| Max Torque | Приблизительно. 7.2Nm (3x rated) |
| Max Speed | 6000rpm |
| Напряжение | 3-phase 380~480V |
| Encoder | 22-bit + 12-bit multi-turn absolute encoder (4,194,304ppr) |
| Класс защиты | IP64 |
| Rotor Inertia | Приблизительно. 1.4×10⁻⁴kg·m² (Low Inertia) |
| Mounting Flange | 90mm standard flange |
| Compatible Drive | SINAMICS S210/S120 |
- Recommended Mitsubishi Replacement Models (By Series)
2.1 Top Replacement: MR-J5 Series (Latest Generation, 400V Class)
| Mitsubishi Model | Match Score | Key Features |
| HK-KT7M4UW | ★★★★★ | 400В, 0.75кВт, 2.4Nm, 3000rpm, max torque 8.4Nm, low inertia, 26-bit absolute encoder, IP65, for MR-J5-700A |
| HK-KP7M4UW | ★★★★☆ | 400В, 0.75кВт, 2.4Nm, 3000rpm, max torque 7.2Nm, ultra-low inertia, 26-bit absolute encoder, IP65 |
2.2 Standard Replacement: MR-J4 Series (Proven & Stable, 400V Class)
| Mitsubishi Model | Match Score | Key Features |
| HG-SN702BJ-S100 | ★★★★☆ | 400В, 0.75кВт, 2.4Nm, 3000rpm, max torque 7.2Nm, medium inertia, 22-bit absolute encoder, IP65, for MR-J4-70A |
| HF-JP734B | ★★★★ | 400В, 0.75кВт, 2.39Nm (≈2.4Nm), 3000rpm, max torque 7.16Nm, IP67, with brake, for MR-J3/J4 |
2.3 Economic Replacement: MR-JE Series (Экономичный, 200V Class)
| Mitsubishi Model | Match Score | Key Features |
| HG-KN73BJ-S100 | ★★★★ | 200В, 0.75кВт, 2.4Nm, 3000rpm, max torque 7.2Nm, low inertia, 20-bit absolute encoder, IP65, for MR-JE-70A/B |
| HG-KR73BJ | ★★★★ | 200В, 0.75кВт, 2.4Nm, 3000rpm, max torque 7.2Nm, low inertia, 20-bit absolute encoder, IP65, with brake |
III. Сравнение основных параметров (Top Models vs Original)
| Элемент | Siemens 1FK2104-5AF01-1MA0 | Mitsubishi HK-KT7M4UW (MR-J5) | Mitsubishi HG-SN702BJ-S100 (MR-J4) |
| Power/Torque | 0.75кВт / 2.4Nm | 0.75кВт / 2.4Nm | 0.75кВт / 2.4Nm |
| Напряжение | 380~480V | 400В (380~480V compatible) | 400В (380~480V compatible) |
| Speed | 3000rpm (max 6000rpm) | 3000rpm (max 6700rpm) | 3000rpm (max 6000rpm) |
| Max Torque | 7.2Nm | 8.4Nm (Higher Dynamics) | 7.2Nm (Same) |
| Encoder | 22+12bit multi-turn absolute | 26bit absolute (Higher Precision) | 22bit absolute (Same Precision) |
| Защита | IP64 | IP65 (Better) | IP65 (Better) |
| Inertia | Low inertia (1.4×10⁻⁴kg·m²) | Low inertia (2.11×10⁻⁴kg·m²) | Medium inertia (2.5×10⁻⁴kg·m²) |
| Flange | 90мм | 90мм (Compatible) | 90мм (Compatible) |
- Key Selection Guidelines for Replacement
- Согласование напряжения
Original motor: 380~480V → prefer Mitsubishi 400V class (HK-KT7M4UW, HG-SN702BJ)
For 200V models (HG-KN73BJ), a 380→200V transformer is required.
- Dynamic Performance Matching
1FK2 is high dynamic & low inertia → prefer Mitsubishi low-inertia series (HK-KT/HK-KP/HG-KN)
Medium-inertia series (HG-SN) for higher load inertia applications.
- Encoder & Control
Original: absolute encoder → select Mitsubishi absolute type (suffix “J” or “UW”)
MR-J5 supports battery-free absolute position retention.
- Mechanical Compatibility
90mm standard flange: fully interchangeable
Check shaft diameter (φ12mm) and keyway; use adapter coupling if needed.
- Recommended Drives
| Mitsubishi Motor Series | Recommended Drive |
| MR-J5 Series | MR-J5-700A (400В, 0.75кВт) |
| MR-J4 Series | MR-J4-70A (400В, 0.75кВт) |
| MR-JE Series | MR-JE-70A/B (200В, 0.75кВт) |
- Final Selection Recommendations
- New projects / full upgrade: Choose HK-KT7M4UW (MR-J5) – latest tech, superior performance, supports Industry 4.0 & EtherCAT.
- Existing system retrofit: Choose HG-SN702BJ-S100 (MR-J4) – stable, совместимый, экономически эффективный.
- Budget-sensitive applications: Choose HG-KN73BJ-S100 (MR-JE) – high cost-performance for general use.
0.75кВт / 2.4Nm / 400В Servo Motor – Global Brand Cross-Reference
Reference: Siemens 1FK2104-5AF01-1MA0
Profile: 400V class, 0.75кВт, 2.4Nm, 3000rpm, low inertia, multi-turn absolute encoder, 90mm flange
- Global Brand Replacement Chart (Direct Match)
| Бренд | Ряд | Полная модель | Власть | Rated Torque | Rated Speed | Напряжение | Compatible Drive |
| Сименс | 1FK2 | 1FK2104-5AF01-1MA0 | 0.75кВт | 2.4Nm | 3000rpm | 400В | S210/S120 |
| Mitsubishi | MR-J5 | HK-KT7M4UW | 0.75кВт | 2.4Nm | 3000rpm | 400В | MR-J5-700A |
| Mitsubishi | MR-J4 | HG-SN702BJ-S100 | 0.75кВт | 2.4Nm | 3000rpm | 400В | MR-J4-70A |
| Yaskawa | Σ-7 | SGM7G-07A7C61 | 0.75кВт | 2.39Nm | 3000rpm | 400В | SGD7S-7R6A00A002 |
| Yaskawa | Σ-7 | SGM7A-07A7A61 | 0.75кВт | 2.39Nm | 3000rpm | 400В | SGD7S-7R6A00A002 |
| Panasonic | A6B | MGMF097L1G4M | 0.75кВт | 2.4Nm | 3000rpm | 400В | MFDLTB3A00003 |
| АББ | BSM | BSM80N-175UAA | 0.75кВт | 2.4Nm | 3000rpm | 400В | M1003 |
| Omron | 1С | R88M-K7K510C-S2 | 0.75кВт | 2.4Nm | 3000rpm | 400В | R88D-KN10F-ECT |
| Шнайдер | Lexium 32 | BSH0702P11A2A | 0.75кВт | 2.4Nm | 3000rpm | 400В | LXM32MD18N4 |
- Brand Features Summary
- Mitsubishi (MR-J5 / HK-KT7M4UW)
Closest to 1FK2 in performance, size, dynamics; battery-free absolute; top choice for new projects.
- Yaskawa (Σ-7 / SGM7A-07A7A61)
Low-inertia, high stability; preferred for heavy-duty and retrofit applications.
- Шнайдер (BSH0702P11A2A)
European standard; excellent mechanical & communication compatibility for European equipment.
- Panasonic (A6B)
Экономически эффективный, compact; ideal for small-to-medium machines and volume applications.
- АББ / Omron
High precision & reliability; suitable for high-end equipment and factory automation.
III. Mandatory Replacement Rules (Обязательно прочтите)
- Voltage must match: Original = 400V → use 400V models only; do NOT use 200V motors directly.
- Torque first: Rated torque ≥ 2.4Nm; prefer low inertia for dynamics.
- Encoder consistency: Use multi-turn absolute encoders to avoid position loss.
- Mounting compatibility: All use 90mm flange, φ12mm shaft – direct drop-in replacement.
