Siemens 3RT2027-1AP00 Contactor

1. Core Parameters Overview

Siemens 3RT2027-1AP00 is an innovative 3-คอนแทคเตอร์ AC แบบเสา from the SIRIUS 3RT2 series, designed for motor control and power switching applications.

2. Detailed Technical Specifications

2.1 Main Circuit Parameters

จัดอันดับแรงดันไฟฟ้าของฉนวน (อุ้ย): 690วีและ

Rated Operational Voltage (อือ): 400วีและ (เอซี-3), up to 690V AC

Rated Impulse Withstand Voltage (Uimp): 8kV

Rated Operational Current:

เอซี-1 (resistive load): 40ก (400วี), 32ก (690วี)

เอซี-3 (motor load): 32ก (400วี), 21ก (690วี)

AC-3e: 32ก (400วี)

Rated Making Capacity (เอซี-3): 320ก (400วี), 5 การดำเนินงาน

Rated Breaking Capacity (เอซี-3): 160ก (400วี), 50 การดำเนินงาน

2.2 Control Circuit Parameters

Rated Coil Voltage (Uc): 230วีและ, 50Hz

Rated Coil Power: Approx. 70VA (inrush), ประมาณ. 8VA (holding)

Coil Pick-up Time: ≤60ms

Coil Drop-out Time: ≤40ms

Control Circuit Terminals: A1, A2 (top or bottom connection)

2.3 Physical & Mounting Parameters

ขนาด (ก×ล×ส): 45mm×85mm×97mm

น้ำหนัก: Approx. 420g (0.928lb)

Mounting Position: Vertical (มาตรฐาน), ±15° tilt permitted

ความจุสายไฟ: วงจรหลัก (10–35mm² copper cable), วงจรควบคุม (0.5–2.5mm² copper cable)

3. คุณสมบัติ & Benefits
4. High Efficiency & Energy Saving

Innovative electromagnetic design with low holding power, reducing energy consumption by approx. 30% compared to conventional contactors.

2. Safe & Reliable

Built-in surge suppression circuit to reduce EMI

Silver-cadmium oxide contacts for excellent arc resistance and long service life

Complies with IEC 60947-4-1 และภาษาอังกฤษ 60947-4-1 มาตรฐาน

3. Flexible Extension

Supports add-on modules: ผู้ติดต่อเสริม, surge suppressors, ลูกโซ่ทางกล, ฯลฯ.

4. Easy Maintenance

Transparent housing for visual status check

Contact wear indicator

Fast-connection design for reduced installation time

4. Applications
5. การควบคุมมอเตอร์

Direct starting, stopping and reversing of three-phase asynchronous motors up to 15kW.

2. Power Switching

Control of non-motor loads such as resistance furnaces, heaters, capacitor banks.

3. Automation Systems

Actuator in PLC control systems for remote control and logic switching.

4. Industrial Fields

Fans, ปั๊ม, คอมเพรสเซอร์

Conveyors, mixers and machinery

HVAC systems in building automation

5. Replacement & 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)

5.3 Recommended Accessories

Auxiliary Contact Blocks: 3RT2916-1BB00 (2เลขที่), 3RT2916-1BC00 (2เอ็นซี)

Surge Suppressor: 3RT2926-1BB00 (for AC coils)

Mechanical Interlock: 3RT2936-1AA00 (for reversing applications)

Overload Relays: 3RU61 series (e.g. 3RU6126-4CB00, 32A setting range)

6. Selection & Replacement Notes
7. โหลดการจับคู่

Verify load type (AC-1/AC-3), current and power do not exceed contactor ratings.

2. แรงดันไฟฟ้าคอยล์

Confirm control circuit voltage and frequency to avoid coil burnout (230วีและ, 50Hz only).

3. ติดต่อเสริม

Ensure 1NO+1NC meets control logic; add extension modules if needed.

4. พื้นที่ติดตั้ง

S0 frame (45mm width) for compact cabinets; maintain ≥5mm clearance to adjacent devices.

5. Legacy Replacement

Direct replacement for 3RT1027 series, mounting-compatible

For non-Siemens replacements, verify mounting holes and terminal layout

6. Environmental Conditions

Derate at temperatures < -25°C or > +60°C (ประมาณ. 10% per 10°C).

7. Ordering & Lifecycle Information

Product Status: Active (PLM: PM300), available for order

Packing: 1 หน่วย/กล่อง, including installation manual

Country of Origin: Germany

การรับรอง: ซีอี, แอล, ซีเอสเอ, IEC and other international approvals

Complete Guide to Replacement Models for Siemens 3RT2027-1AP00 Contactor

1. Core Parameters Recap (Replacement Base)

3RT2027-1AP00 – Siemens SIRIUS 3RT2 series 3-pole AC contactor:

จัดอันดับปัจจุบัน (เอซี-3, 400วี): 32ก, กำลังไฟพิกัด: 15กิโลวัตต์

Coil: 230วีและ, 50Hz

Contacts: 3NO main + 1NO+1NC auxiliary

Frame: S0, Terminals: screw, Mounting: 35ราง DIN มม / panel

2. Siemens Same-Series Replacements

2.1 Identical Rating, Different Frequency

2.2 Different Coil Voltages (Same Size & Contacts)

2.3 Upgraded Series

3RT7027-1AN20: New 3RT7 series, 32ก, 230V AC 50/60Hz, fully mounting-compatible

3RT2027-1AP00-1AA0: Integrated surge suppressor, fewer external parts

3. Cross-Brand Equivalent Replacements

3.1 Direct Equivalents

3.2 High-Performance Upgrades

4. Special Application Replacements

4.1 DC Coil Replacements

4.2 เลขที่ / Extra Auxiliary Contacts

5. Replacement Guidelines (Safety & ความน่าเชื่อถือ)

5.1 Priority Matching Parameters

1. จัดอันดับปัจจุบัน & load class: เอซี-1 / เอซี-3, must be ≥ load current
2. แรงดันไฟฟ้าคอยล์ & ความถี่: Must match control supply (230V AC 50Hz only)
3. Contact configuration: 3NO main required; 1NO+1NC auxiliary as needed
4. Mounting & wiring: S0 (45มม), screw terminals, DIN/panel space

5.2 Cross-Brand Checks

ขนาด: Width 45mm, height, depth

Terminal positions and wiring layout

Clearances and creepage distances per IEC 60947-4-1

Auxiliary contact rating (typically ≤5A)

5.3 Environment & 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)

6. Recommended Replacement Summary
7. Best Siemens replacement: 3RT2027-1AL20 (wide-frequency, global, direct fit)
8. Top cross-brand choices: Schneider LC1D32M7C or ABB A145-30-11 (mature, widely available)
9. DC control replacement: 3RT2027-2BB40 (original Siemens, reliable)