ABB TA25DU‑25M 열 과부하 계전기

Correct Model: ABB TA25DU‑25M

Global ID: 1SAZ211201R2051

주문번호: 10135416

제품 유형: Economical electromechanical thermal overload relay

Model Designation Breakdown:

2. 주요 기술 매개변수

3. 핵심 기능 & 특징
4. Reliable motor protection: Fast and reliable protection against overload and phase failure, compliant with IEC 60947‑4‑1
5. Temperature compensation: Maintains stable protection characteristics over a wide ambient temperature range to prevent unwanted tripping
6. Test function: Equipped with TEST button for on-site function verification
7. Free tripping mechanism: Ensures reliable tripping under all conditions, independent of reset operation
8. Trip indication: Clearly shows if relay has tripped due to overload
9. 경제적 & practical: Part of ABB’s economical thermal overload relay series with high cost‑performance
10. 응용 & Compatible Contactors

4.1 일반적인 응용 분야

Overload and phase failure protection for three‑phase asynchronous motors, especially 7.5 kW–11 kW (380다섯) 모터

Motor protection for industrial automation lines, 팬, 슬리퍼, 압축기, 등.

Forms a complete motor starting and protection unit with AX series contactors

4.2 Compatible Contactors

추천: AX25‑30‑10/01, AX32‑30‑10/01 (25–32A rated current)

호환 가능: Full AX09–AX40 series, AL9–AL40 series contactors

설치: Direct clip‑on mounting (콤팩트) or separate base mounting

5. 브랜드 간 대안

6. TA25DU Series Full Model Matrix

TA25DU series covers a setting current range of 0.1A–25A:

7. 설치 & 배선 참고 사항
8. Mounting orientation: Vertical installation recommended for good heat dissipation
9. Wiring specification: Main circuit conductor cross‑section 2×1.5–6mm², M4 나사, torque 1.44–1.92Nm
10. 보조 접점: 95 (NC), 96 (아니요) for control circuit or signal indication
11. Reset selection: 수동 (Man) or automatic (Aut) reset via switch

The ABB TA25DU‑25M is a reliable and economical thermal overload relay, mainly used for three‑phase motor protection in the 18–25A setting range. It is especially suitable for use with AX series contactors and widely applied in various industrial automation equipment. Its comprehensive protection, temperature compensation, and convenient mounting make it an ideal choice for small and medium‑sized motor protection.

Complete Application Guide for ABB TA25DU‑25M Thermal Overload Relay

1. Core Application Positioning

The TA25DU‑25M is an economical thermal overload relay with a setting range of 18.0–25.0A and trip class 10A.

It mainly provides overload, phase failure and phase unbalance protection for three‑phase asynchronous motors,

especially suitable for motors from 7.5 kW 에 22 kW (380V/400V).

Combined with AX series contactors, it forms a complete motor control and protection unit.

2. Applications by Industry

산업 자동화 & 조작

1. Production line drive systems

컨베이어, sorting equipment: protection against overload from material buildup or jamming

공작기계, hydraulic pumps: ensures machining accuracy and equipment safety

Packaging and printing machinery: avoids downtime from load fluctuations

2. 일반 기계

압축기 (air, refrigeration): protects against overpressure and overheating

팬 (industrial exhaust, cooling tower): suitable for long‑time continuous operation

슬리퍼 (circulation, cooling, booster): protects against pipe blockage or insufficient water supply

3. Material handling equipment

크레인, 호이스트: prevents safety risks from overload

믹서, 교반기: adapts to highly variable load conditions

🏢 Building & 하부 구조

1. Building automation

HVAC fans, 냉각탑, chilled water pumps

Fire protection systems: smoke exhaust fans, spray pumps

Elevators and escalators: ensures passenger safety

2. Construction equipment

Small construction machinery: concrete mixers, mortar pumps

Temporary power systems on construction sites

🏗️ Energy & Utilities

1. 수처리

Aeration fans, sludge return pumps, lift pumps in wastewater treatment plants

Water supply pumps and booster pumps in waterworks

2. Power auxiliary systems

Cooling systems in substations and power plants

Auxiliary motors for PV inverters and wind turbines

🌾 Agriculture & Food Processing

1. Agricultural irrigation

Large irrigation pumps: adapts to varying water sources and leakage conditions

Greenhouse ventilation and cooling systems

2. Food processing machinery

믹서, slicers, 포장 기계: suitable for humid and dusty environments

Compressors and fans in cold storage and refrigeration systems

3. Applications by Operating Conditions

🔧 Harsh Environment Applications

1. Wide temperature variation: With temperature compensation (-25°C ~ +55°C), suitable for outdoor and workshop environments
2. 빈번한 시동 & 멎는: Trip class 10A ideal for high‑start‑frequency motors
3. Phase failure risk: Built‑in phase failure protection for unstable power supplies

🛡️ Safety‑Critical Applications

1. Public areas: 엘리베이터, escalators, HVAC 시스템
2. 24‑hour continuous systems: Production lines, data center cooling

💡 Economical Applications

1. SME equipment: High cost‑performance for budget‑conscious users
2. Equipment retrofitting: Direct replacement for older relays, compatible with existing AX/AL contactors
3. Typical Motor Ratings & Application Examples

5. Key Advantages Summary
6. 완전한 보호: 초과 적재, 위상 실패, phase unbalance – IEC 60947‑4‑1 compliant
7. 환경 적응성: Temperature compensation avoids nuisance tripping
8. 쉬운 조작: Manual/automatic reset + TEST button
9. Flexible mounting: Direct on contactor or separate base
10. 경제적 & 믿을 수 있는: Cost‑effective for mass deployment on small and medium motors

결론

With its 18–25A setting range and 10A trip characteristics, the ABB TA25DU‑25M is widely used in industrial automation, building services, 에너지, agriculture and other fields.

It is especially suitable for three‑phase motors from 7.5 kW 에 22 kW.

Its complete protection, environmental stability and economy make it an excellent choice for small and medium motor protection, especially when combined with AX series contactors to build efficient and reliable motor control and protection systems.