Zener barriers are a cost-eff ective solution for providing an intrinsically safe interface with field devices located in the hazardous area. As part of the intrinsic safety barrier family, Pepperl+Fuchs off ers two distinct zener barrier systems. The Z-System barriers are 12.5 mm wide and mount and ground directly to standard 35 mm DIN rail, while the SB-System barriers are the only termination board solution with pluggable modules available on the market. In addition to this wide product portfolio of housing and connection styles, we off er accessories for each application.
KCD2-SON-Ex1.R1 Switch Amplifier1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, 2 passive transistor outputs (resistive), Application-specific outputs, Line fault transparency (LFT), Usable as signal splitter (1 input and 2 outputs), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508
KCD2-SON-Ex1.R2 Switch Amplifier1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, Application-specific outputs, Usable as signal splitter (1 input and 2 outputs), 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508
KCD2-SON-Ex1.R3 Switch Amplifier1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR input, Application-specific outputs, Usable as signal splitter (1 input and 2 outputs), 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508
KCD2-SON-Ex2 Switch Amplifier2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs (resistive acc. to EN 60947-5-6), Line fault transparency (LFT), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508
KCD2-SON-Ex2.R1 Switch Amplifier2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs (resistive), Application-specific outputs, Line fault transparency (LFT), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508
KCD2-SON-Ex2.R2 Switch Amplifier2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Application-specific outputs, 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508
KCD2-SON-Ex2.R3 Switch Amplifier 2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Application-specific outputs, 2 passive transistor outputs (resistive), Line fault transparency (LFT), Housing width 12.5 mm, Up to SIL 2 acc. to IEC 61508 KCD2-SOT-Ex2.SP Switch Amplifier 2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, 2 passive transistor outputs, Reversible mode of operation, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, Up to SIL 2 acc. to IEC 61508 KCD2-SR-Ex1.LB.SP Switch Amplifier 1-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Usable as signal splitter (1 input and 2 outputs), Relay contact output, Fault relay contact output, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, Up to SIL 2 acc. to IEC 61508 KCD2-SR-Ex2.SP Switch Amplifier 2-channel isolated barrier, 24 V DC supply (Power Rail), Dry contact or NAMUR inputs, Relay contact output, Line fault detection (LFD), Housing width 12.5 mm, Connection via spring terminals with push-in connection technology, Up to SIL 2 acc. to IEC 61508
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