Series 9411/11 Ex e field device couplers for Zone 1 are used for interference-free connection of up to 4 Foundation Fieldbus H1 or PROFIBUS PA field devices to the high-power trunk. The spurs with the e type of protection can be used for fieldbus devices in Zone 1 (d, q, m) and are protected by a short-circuit limiting function. The integrated power management minimises start-up and short-circuit currents. Available with screw or spring clamp terminals.
• For connecting 4 fieldbus devices in Zone 1
• Operation on a high-power trunk
• Reduced start-up current thanks to power management and short-circuit limiting with disconnection
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