R. Stahl
9170 Switching repeater
Ex i switching repeaters are used to operate contacts, NAMUR proximity switches and optocouplers
The Series 9170 Ex i switching repeaters are used to operate contacts, NAMUR proximity switches and optocouplers. Models are available with one or two channels. The intrinsically safe digital input is always galvanically separated from the output and auxiliary power. The channels in the two-channel devices are galvanically separated. Certain variants transmit frequencies of up to 10 kHz, and the output signal can be inverted.
• Extensive portfolio – outputs with relays or electronics
• Wire breakage and short-circuit monitoring
• Robust design for challenging environments
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