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/ABB SPAJ144C-AA Combined overcurrent and earth-fault relay
ABB SPAJ144C-AA Combined overcurrent and earth-fault relay
ABB SPAJ144C-AA Combined overcurrent and earth-fault relay
ABB SPAJ144C-AA Combined overcurrent and earth-fault relay

ABB SPAJ144C-AA Combined overcurrent and earth-fault relay

  • Marca :

    ABB
  • Número de parte :

    SPAJ144C-AA
  • Peso :

    0.2 kg
  • Dimensión :

    20.5x22.5x3.5cm
  • País de origen :

    USA
  • Código hs :

    8537101190
  • Descripción :

    Combined overcurrent and earth-fault relay

Products description

The combined phase and neutral overcurrent relay SPAJ 144 C is used for the selective short-circuit and time overcurrent protection of radial feeders in distribution networks. The relay is also used for feeder earth-fault pro-tection in isolated neutral networks and net- works with resistively earthed neutral. The overcurrent unit includes three protection stages and the earth-fault unit two. Further, the relay includes a phase discontinuity pro- tection unit and an integrated circuit-breaker failure protection unit.


Products Info

Service temperature range -10...+55°C .
Transport and storage -40...+70°C
temperature range (IEC 68-2-8)
Damp heat test (IEC 68-2-30) 93... .95%, +55°C, 6 cycles
Degree of protection by enclosure IP 54
Retardation time<30 ms
Reset ratio, typically 0.96
Input impedance <100 mQ


Further inquiry

Sales manager »Chloe

Email » plc@mvme.cn

Phone/WhatsApp » +86 18030170117


Reliable and Durable for Demanding Environments

Engineered for durability, our automation equipment is built to withstand harsh industrial conditions. You can count on reliable, long-lasting performance even in the most challenging environments.

Applications of Moore Automation Equipment

Moore automation equipment has wide applications. In the automotive industry, it assembles

cars. In electronics manufacturing, it's used for assembling PCBs and packaging components. In

the food and beverage industry, it's involved in packaging, sorting, and quality control.


Benefits and Challenges of Moore Automation Equipment

Using Moore automation equipment has many advantages. It increases productivity, improves

product quality, and saves costs in the long run. However, challenges exist. The initial investment

is high, and operator training is essential for proper functioning.



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