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8.2 Service life graph of output relays

8 Technical details

Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany

Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]

8-4

8.2Service life graph of output relays8200Service life graph of output relays8-Lebensdauerkurve_Relais_Text vor Kurve

The service life graphs indicate the number of cycles from which failures

due to wear must be expected. The wear is mainly caused by the elec-

trical load; the mechanical load is negligible.

Lebensdauerkurve SI S_212

Lebensdauerkurve_Relais_Text nach Kurve_SIS212_SIR-SLR Bsp

Example

 Inductive load: 0.2 A

 Utilisation category: AC15

 Contact service life: 1 000 000 cycles

Provided the application requires fewer than 1 000 000 cycles, the PFH

value (see technical details) can be used in the calculation.

To increase the service life, sufficient spark suppression must be provid-

ed on all output contacts. With capacitive loads, any power surges that

occur must be noted. With contactors, use freewheel diodes for spark

suppression.

Lebensdauerkurve_Relais_Text nach Kurve-2_ Empfehlung sichere Halbleiterausgänge

We recommend you use semiconductor outputs to switch 24 VDC

loads.

10 100 1000 10000

0.1

DC1: 24 V

AC1: 230 V

DC13: 24 V

AC15: 230 V

D Nennbetriebstrom (A)

GB Nominal operating current (A)

F Courant coupé (A)

E Corriente nominal de servicio (A)

I Corrente di esercizio nominale (A)

NL Nominale bedrijfsstroom (A)

D Schaltspielzahl x 10

GB Cycles x 10

F Nombre de manvres x 10

E Número de ciclos x 10

I Numero dei cicli di commutazione x 10

NL Aantal schakelingen x 10

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