- Core Parameters Overview
Siemens 3RT2027-1AP00 is an innovative 3-pole AC contactor from the SIRIUS 3RT2 series, designed for motor control and power switching applications.
| パラメータ | 仕様 |
| Rated Operational Current (AC-3, 400V) | 32あ |
| Rated Power (AC-3, 400V) | 15kW |
| コイル電圧 / 頻度 | 230Vと, 50Hz |
| Main Contact Configuration | 3いいえ (通常開) |
| Auxiliary Contact Configuration | 1NO+1NC (1 通常開 + 1 通常閉) |
| Size Frame | S0 |
| Connection Type | Screw Terminals |
| Mounting Type | DINレール (35mm規格) or Panel Mount |
| 保護等級 | IP20 (housing) |
| 動作温度範囲 | -25°C ~ +60°C |
| 電気的寿命 (AC-3) | 約. 1,000,000 オペレーション |
| 機械的寿命 | 約. 10,000,000 オペレーション |
- Detailed Technical Specifications
2.1 主回路パラメータ
定格絶縁電圧 (ウイ): 690Vと
定格動作電圧 (うえ): 400Vと (AC-3), up to 690V AC
定格インパルス耐電圧 (ウンプ): 8kV
Rated Operational Current:
AC-1 (抵抗負荷): 40あ (400V), 32あ (690V)
AC-3 (モーター負荷): 32あ (400V), 21あ (690V)
AC-3e: 32あ (400V)
Rated Making Capacity (AC-3): 320あ (400V), 5 オペレーション
Rated Breaking Capacity (AC-3): 160あ (400V), 50 オペレーション
2.2 制御回路パラメータ
Rated Coil Voltage (Uc): 230Vと, 50Hz
Rated Coil Power: 約. 70バージニア州 (inrush), 約. 8バージニア州 (holding)
Coil Pick-up Time: ≤60ms
Coil Drop-out Time: ≤40ms
Control Circuit Terminals: A1, A2 (top or bottom connection)
2.3 物理的な & 取り付けパラメータ
寸法 (幅×奥行き×高さ): 45mm×85mm×97mm
重さ: 約. 420g (0.928lb)
Mounting Position: Vertical (標準), ±15° tilt permitted
配線容量: 主回路 (10–35mm² copper cable), 制御回路 (0.5–2.5mm² copper cable)
- 特徴 & Benefits
- High Efficiency & Energy Saving
Innovative electromagnetic design with low holding power, reducing energy consumption by approx. 30% compared to conventional contactors.
- 安全 & 信頼性のある
Built-in surge suppression circuit to reduce EMI
Silver-cadmium oxide contacts for excellent arc resistance and long service life
IECに準拠 60947-4-1 and EN 60947-4-1 標準
- Flexible Extension
Supports add-on modules: 補助接点, surge suppressors, mechanical interlocks, 等.
- Easy Maintenance
Transparent housing for visual status check
Contact wear indicator
Fast-connection design for reduced installation time
- アプリケーション
- モーター制御
Direct starting, stopping and reversing of three-phase asynchronous motors up to 15kW.
- Power Switching
Control of non-motor loads such as resistance furnaces, heaters, コンデンサバンク.
- Automation Systems
Actuator in PLC control systems for remote control and logic switching.
- Industrial Fields
ファン, パンプス, コンプレッサー
Conveyors, mixers and machinery
HVAC systems in building automation
- 交換 & Compatible Models
5.1 Siemens Same-Series Replacements
3RT2027-1AP00 (50Hz) ↔ 3RT2027-1AP01 (60Hz) – same electrical performance, only frequency differs
3RT2027-1BP40 – 400V AC, 50Hz coil
3RT2027-1AP02 – 230V AC, 50/60Hz (wide frequency)
5.2 Cross-Brand Equivalents (Functionally Compatible)
| ブランド | 代替機種 | 注意事項 |
| シュナイダー | LC1D32M7C | 32あ, 230Vと, 1NO+1NC |
| ABB | A145-30-11 | 32あ, 230Vと, 1NO+1NC |
| Moeller | DILM32-10 (with auxiliary DILM32-01) | 1NO+1NC when assembled |
5.3 Recommended Accessories
Auxiliary Contact Blocks: 3RT2916-1BB00 (2いいえ), 3RT2916-1BC00 (2ノースカロライナ州)
Surge Suppressor: 3RT2926-1BB00 (for AC coils)
機械的インターロック: 3RT2936-1AA00 (for reversing applications)
Overload Relays: 3RU61 series (例えば. 3RU6126-4CB00, 32A setting range)
- 選択 & Replacement Notes
- ロードマッチング
Verify load type (AC-1/AC-3), current and power do not exceed contactor ratings.
- コイル電圧
Confirm control circuit voltage and frequency to avoid coil burnout (230Vと, 50Hz only).
- 補助接点
Ensure 1NO+1NC meets control logic; add extension modules if needed.
- 設置スペース
S0 frame (45幅mm) for compact cabinets; maintain ≥5mm clearance to adjacent devices.
- Legacy Replacement
Direct replacement for 3RT1027 series, mounting-compatible
For non-Siemens replacements, verify mounting holes and terminal layout
- 環境条件
Derate at temperatures < -25°C or > +60℃ (約. 10% per 10°C).
- 注文 & Lifecycle Information
製品の状態: アクティブ (PLM: PM300), 注文可能
Packing: 1 unit/box, including installation manual
Country of Origin: ドイツ
認証: CE, UL, CSA, IEC and other international approvals
Complete Guide to Replacement Models for Siemens 3RT2027-1AP00 Contactor
- Core Parameters Recap (Replacement Base)
3RT2027-1AP00 – Siemens SIRIUS 3RT2 series 3-pole AC contactor:
定格電流 (AC-3, 400V): 32あ, Rated Power: 15kW
コイル: 230Vと, 50Hz
連絡先: 3NO main + 1NO+1NC auxiliary
Frame: S0, 端子: スクリュー, 取り付け: 35mm DINレール / panel
- Siemens Same-Series Replacements
2.1 Identical Rating, Different Frequency
| 代替機種 | コイル | Key Difference | 応用 |
| 3RT2027-1AP01 | 230Vと, 60Hz | Same performance, 60Hz only | 60Hz grids (例えば, 北米) |
| 3RT2027-1AL20 | 230Vと, 50/60Hz | Wide-frequency | Global equipment |
| 3RT2027-1AP02 | 230Vと, 50/60Hz | Wide-frequency, general stock | Universal replacement |
2.2 Different Coil Voltages (Same Size & 連絡先)
| 代替機種 | コイル | 注意事項 |
| 3RT2027-1AB00 | 24Vと, 50Hz | Low-voltage control |
| 3RT2027-1BP40 | 400Vと, 50Hz | High-voltage control |
| 3RT2027-2BB40 | 24ワシントンDCで | 直流制御, high noise immunity |
| 3RT2027-1NB30 | 24AC/DCV | Universal coil |
| 3RT2027-1AP20 | 240Vと, 50/60Hz | North American standard |
2.3 Upgraded Series
3RT7027-1AN20: New 3RT7 series, 32あ, 230AC50/60Hz, fully mounting-compatible
3RT2027-1AP00-1AA0: Integrated surge suppressor, fewer external parts
- Cross-Brand Equivalent Replacements
3.1 Direct Equivalents
| ブランド | 代替機種 | Matching Parameters | 取り付け |
| シュナイダー | LC1D32M7C | 32あ (AC-3), 230Vと, 1NO+1NC | Direct replacement |
| シュナイダー | LC1D32M7 | Same as above, no built-in surge | 費用対効果の高い |
| ABB | A145-30-11 | 32あ (AC-3), 230Vと, 1NO+1NC | S0 frame, DIN compatible |
| ABB | AF32-11-230V | New AF series, パフォーマンスの向上 | Recommended upgrade |
| Moeller | DILM32-10+DILM32-01 | 1NO+1NC assembled, 32あ | Mounting-compatible |
| Moeller | DILM32C-10 | Integrated 1NO+1NC, 230Vと | Simple replacement |
| Rockwell | 100-C32*00 | 32あ, 230Vと, 1NO+1NC | Electrically compatible |
| Eaton | DIL M32-10 (230V) | 32あ, 230Vと, 1NO+1NC | Direct fit |
3.2 High-Performance Upgrades
| ブランド | モデル | アップグレード | 応用 |
| シーメンス | 3RT2028-1AP00 | 38あ (AC-3), 18.5kW | Higher margin, longer life |
| シュナイダー | LC1D32Q7C | Wide temp: -40°C ~ +70°C | Extreme environments |
| ABB | A185-30-11 | 40あ (AC-3), 20kW | Heavy-duty, derated safe use |
- Special Application Replacements
4.1 DC Coil Replacements
| モデル | コイル | 応用 |
| 3RT2027-2BB40 (シーメンス) | 24ワシントンDCで | 直流制御回路 |
| LC1D32BD (シュナイダー) | 24ワシントンDCで | DC equivalent |
| A145-30-22 (ABB) | 24ワシントンDCで | 直流制御, 1NO+1NC |
4.2 いいえ / Extra Auxiliary Contacts
| 要件 | 推奨モデル | 注意事項 |
| No auxiliary contacts | 3RT2026-1AP00 (シーメンス) | 3NO main only |
| 2NO+2NC | 3RT2027-1AP00 + 3RT2916-1BB00 | Add-on auxiliary block |
| 4いいえ | 3RT2027-1AP00 + 3RT2916-1BD00 | Expand to 4NO |
- Replacement Guidelines (安全性 & 信頼性)
5.1 Priority Matching Parameters
- 定格電流 & load class: AC-1 / AC-3, must be ≥ load current
- コイル電圧 & 頻度: Must match control supply (230V AC 50Hz only)
- 接点構成: 3NO main required; 1NO+1NC auxiliary as needed
- 取り付け & wiring: S0 (45mm), ネジ端子, DIN/panel space
5.2 Cross-Brand Checks
寸法: 幅45mm, 身長, 深さ
Terminal positions and wiring layout
Clearances and creepage distances per IEC 60947-4-1
Auxiliary contact rating (typically ≤5A)
5.3 環境 & Derating
Derate above 60°C or below -25°C (≈10% per 10°C)
Derate at high altitude: 0.9 (2000–3000m), 0.8 (3000–4000m)
- Recommended Replacement Summary
- Best Siemens replacement: 3RT2027-1AL20 (wide-frequency, グローバル, direct fit)
- Top cross-brand choices: Schneider LC1D32M7C or ABB A145-30-11 (mature, widely available)
- DC control replacement: 3RT2027-2BB40 (original Siemens, reliable)
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