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Approvals & Standards

  • EN 61643-21*UL 497B

Key features & benefits

STS PLC is the series of surge protection devices for digital signals and in particular for programmable logic controllers. The range offers a number of voltages and number of protected lines for a variety of applications as well as a terminal block ultra-slim format. These are protectors for a final step of very fine protection to be installed as close as possible to particularly sensitive equipment connected to these communications lines. Meets the IEC 61643-21 standard.

More specifications


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Product Specifications

Número de item


Catalogue No.


Descrição do item (ERP)



SPD for PLC, terminal block format, 5 kA, 30 V and 2 protected wires.  

Código EAN / UPC


Conformidade ROHS


Classificação Nominal do Volt Operativo (Un)

24   V

Nominal Discharge Current (In) (8/20)


Corrente de Descarga Máxima: Imax (8/20)


Rated Current Load (IL)

0.3   A


3   MHz

Material da carcaça


Tempo de resposta do MOV

1   ns

Número de fios

2 Wires  


24   V

Up at In (L-L)

≤ 50   kV

Peso do Produto

0.027   kg

Largura do produto

6   mm

Comprimento do produto

63   mm

Altura do produto

91.5   mm

Quantidade do pacote de venda

1   Each

Vender o peso do pacote

0.029   kg

Vender a largura do pacote

25   mm

Vender Comprimento do Pacote

80   mm

Vender a altura do pacote

106   mm