SWITCHING REPEATER SERIES 9170 – R. STAHL – PART NO.: 9170/21-12-11S

SKU: 3-10-3-A00796-2

Switching repeater
Ex i field circuit
Explosion-protected
Type : 9170/21-12-11s
Number of channels : 2
Connection type : Screw terminal
Output per channel : 1 change over – power relay
LFD relay : Yes
Nominal current : 55 mA
Auxiliary power : 24 V DC
SIL : 2
Min. ambient temperature : -20 °C
Max. ambient temperature : +70 °C
Max. voltage Uo : 9,6 V
Max. current Io : 10 mA
Max. power Po : 24 mW
Gas explosion protection :
II (1) G Ex [Ex ia Ga] IIC
Dust explosion protection : II (1) D [Ex ia Da] IIIC

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Description

> Intrinsically safe input [Ex ia] IIC
> Galvanic isolation between input, output and power supply
> Open-circuit / short-circuit monitoring and messaging (can be switched off)
> Inversion of output signal can be set
> Transmission frequency up to 10 kHz
> For use up to SIL 2
(relay – output) or SIL 3
(electronic – output) (IEC 61508)

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