Description
Product Overview
The Pepperl+Fuchs KFD0-CS-Ex1.54, manufacturer part number 70185883, is a one-channel repeater and isolated barrier from the K-System range. It is intended for intrinsically safe applications where compatible SMART fire and smoke alarm transmitters operate in hazardous areas.
The module provides control and signal transfer between field-side equipment and a safe-area control system. It can transfer digital signals superimposed on analog values in both directions, subject to the manufacturer’s signal requirements. Because it is loop-powered, the available voltage must be checked against the field device’s operating requirements.
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Technical Specifications
Specification Details
Brand Pepperl+Fuchs
Model KFD0-CS-Ex1.54
Manufacturer part number 70185883
Product type Repeater / 1-channel isolated barrier
Application SMART-compatible fire and smoke alarm transmitters
Power supply Loop-powered, up to 24 V DC
Field-side current transmission range 1–20 mA
Control-side current range 0–20 mA
Control-side voltage range 0–24 V
Field-side voltage transmission 4–20 V DC or 0–6 V peak-to-peak AC
Electrical isolation Safe isolation between input and output
Functional safety rating SIL 2 according to the current manufacturer documentation
Connection Screw terminals
Mounting 35 mm DIN rail
Protection rating IP20
Ambient temperature −20°C to +60°C
Dimensions 20 × 107 × 115 mm (W × H × D)
Approximate weight 100 g
Source: Pepperl+Fuchs product documentation and datasheet.
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Key Features
– Intrinsic safety interface: Designed for compatible field equipment used in hazardous areas.
– One-channel signal isolation: Provides electrical isolation between field-side and control-side circuits.
– Loop-powered operation: Uses the signal loop rather than a separate dedicated supply.
– SMART signal transmission: Supports digital communication superimposed on analog signals.
– DIN rail installation: Fits standard 35 mm DIN mounting rails.
– Industrial wiring: Uses screw terminals for field and control connections.
– Documented safety approvals: Manufacturer documentation lists hazardous-area approvals; the applicable certificate and installation conditions must be checked for the intended system.
Applications
The KFD0-CS-Ex1.54 is intended for compatible applications such as:
– SMART fire and smoke alarm transmitter interfaces
– Process automation systems
– Hazardous-area instrumentation interfaces
– Industrial control cabinets
– Analog signal transmission between hazardous and safe areas
Installation and Compatibility Guidance
Confirm that the field transmitter supports the required current range and SMART communication characteristics. Check the voltage available to the field device because this isolator is loop-powered. Follow the manufacturer’s wiring diagrams, hazardous-area certificates and installation instructions. The IP20 rating means the module should be installed in an appropriate enclosure for its operating environment.
The manufacturer’s current documentation lists SIL 2, so safety claims should be based on the applicable certificate and complete safety-system design rather than the component rating alone.
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Pepperl+Fuchs KFD0-CS-Ex1.54 Supplier in UAE
Dynavation Star Electrical Fittings Trading LLC supports UAE industrial buyers, contractors and system integrators sourcing automation and instrumentation components.
WhatsApp CTA: Contact Dynavation Star on WhatsApp for the latest price, availability and bulk-order enquiries for the Pepperl+Fuchs KFD0-CS-Ex1.54 repeater barrier.
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