Model Code Interpretation
| Code Segment | Description |
| ATS48 | Product series: Altistart 48 series ソフトスターター, used for soft start and soft stop control of three-phase squirrel-cage asynchronous motors |
| D | Rated current factor: D=1.0, rated current is the base value without multiplier adjustment |
| 88 | 定格電流: 88あ (at 40C ambient temperature) |
| Q | Voltage class: 3-phase 230~415V AC (Y=3-phase 208~690V AC) |
- コア技術パラメータ
電気的パラメータ
| Item | 価値 | Description |
| Rated operating voltage | 230~415V AC, 50/60Hz | 3-phase power input |
| Rated operating current | 88あ (40C) | Continuous operating current |
| Suitable motor power | 45kW (400V normal duty) | Matching power for different voltages and applications |
| 37kW (400V heavy duty) | ||
| 22kW (230V normal duty) | ||
| 18.5kW (230V heavy duty) | ||
| Starting current | Normal duty: 152あ (delta connection) / 88あ (line connection) | Starting current limits for different connections |
| Heavy duty: 130あ (delta connection) / 75あ (line connection) | ||
| Control supply voltage | 220~415V AC, 50/60Hz | Control circuit supply |
| Protection functions | 過電流, 過負荷, 位相損失, phase sequence, PTC, underload, 過電圧, 不足電圧, 等. | Comprehensive motor protection |
| IP rating | IP20 | Protection against finger contact and solid foreign objects >12mm |
Physical Parameters
| Item | 価値 |
| 寸法 (W×H×D) | 190mm × 290mm × 235mm |
| 重さ | 約. 8.3kg |
| 取り付け | Standard 35mm DIN rail mounting |
- Applications
- Industrial pumps: Water pumps, オイルポンプ, chemical process pumps, 等, to reduce water hammer during start-up
- Fans: Industrial fans, cooling tower fans, boiler induced draft fans, 等, to reduce mechanical shock
- Compressors: Air compressors, refrigeration compressors, 等, to extend service life
- Conveyors: Smooth starting to avoid material spillage
- General industry: Three-phase squirrel-cage asynchronous motors requiring soft start/stop control, up to 45kW (400V)
- Replacement Models
4.1 Schneider Same-Series Upgrade/Replacement
| Replacement Model | Features | 応用 |
| ATS48D88Y | Wide voltage version (208~690V) | For higher voltage applications |
| ATS480D88Y | Upgraded version of ATS48 series | For higher performance and compatibility |
| ATS22D88Q | Economic alternative | Basic soft start requirements with limited budget |
4.2 Cross-Brand Functional Equivalents
| ブランド | モデル | Match Level |
| ABB | PSE85-600-70 | 85A rated current, similar functions, fits 45kW motors |
| シーメンス | 3RW4443-6BC44 | 88A rated current, ソフトスターター, full protection |
| デルタ | MPS500-45 | 45kW soft starter, suitable for industrial automation |
- Key Features & 注意事項
コア機能
Soft start modes: Current-limited start, 電圧ランプスタート, current ramp start for various loads
Soft stop function: Linear deceleration stop to prevent pump dry running and water hammer
Built-in intelligent protection: Full motor protection, self-diagnosis and alarm output
Communication: Supports Modbus, CANopen, 等, for easy PLC integration
インストール & Operation Notes
- 周囲温度: -10℃~+40℃; derate above 40°C
- Ensure good ventilation; keep at least 50mm clearance above and below
- Control supply and main power must be switched on/off synchronously
- Match motor power to soft starter rating to avoid overload
- Regularly check cooling fan and terminal connections
Selection Table – Schneider ATS48 Series Q-Type Soft Starters (Including ATS48D88Q)
応用: Soft start/stop for three-phase squirrel-cage motors, 230~415V AC, 50/60Hz, IP20, 35mm DIN rail.
| モデル | 定格電流 (40C) | Motor Power (Normal/Heavy Duty) | 寸法 (W*H*D) | 重さ | Power Loss (Full Load) | |
| 230V (kW) | 400V (kW) | |||||
| ATS48D17Q | 17あ | 4-3 | 7.5/5.5 | 160mm*290mm*235mm | 4.9kg | 59W |
| ATS48D22Q | 22あ | 5.5/4 | 11/7.5 | 160mm*290mm*235mm | 4.9kg | 74W |
| ATS48D32Q | 32あ | 7.5/5.5 | 11-15 | 160mm*290mm*235mm | 4.9kg | 104W |
| ATS48D47Q | 47あ | 11-9 | 22/18.5 | 160mm*290mm*235mm | 4.9kg | 142W |
| ATS48D62Q | 62あ | 11-15 | 30/22 | 190mm*290mm*235mm | 8.3kg | 201W |
| ATS48D75Q | 75あ | 18.5/15 | 37/30 | 190mm*290mm*235mm | 8.3kg | 245W |
| ATS48D88Q | 88あ | 22/18.5 | 45/37 | 190mm*290mm*235mm | 8.3kg | 290W |
Key Selection Notes
- Power matching rules
Normal duty: Pumps, ファン, conveyors (light starting)
Heavy duty: Compressors, crushers, mixers; select by heavy-duty power
例: ATS48D88Q fits 45kW (400V normal), 37kW (400V heavy)
- Size & weight groups
Small (D17Q~D47Q): 160mm wide, 4.9kg, for small motors
大きい (D62Q~D88Q): 190mm wide, 8.3kg, better cooling for medium/high power
- Replacement & upgrade suggestions
Voltage upgrade: Q (230~415V) → Y (208~690V), 例えば, ATS48D88Q → ATS48D88Y
Performance upgrade: ATS48 → ATS480 series
Economic option: ATS22 series same current models
- インストール & thermal notes
All IP20; install in enclosed panel
Min. 50mm ventilation above/below
Derate 1% per °C above 40°C
Sync control and main power
コンタクタ,サーキットブレーカー,ソーラーインバーター,電気メーター,太陽電池



















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