PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications

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PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications

Name: PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications
Brand: Industrial Online Services
Price: 5000 INR
Availability: InStock

Price 5000 INR/ Piece

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MOQ : 1 Piece

PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications Specification

Protection Level
IP20 (for enclosure mounting)

Mounting Type
DIN Rail Mount

Humidity
95% RH, non-condensing

Rated Voltage
24 V DC preferred

Efficiency
High (> 90%)

Operating Temperature
-20C to +60C

Input Current
4 mA (typical, for switch input)

Output Voltage
Pass-through Dry Contact or Open Collector

Phase
Single (DC operation)

Frequency
DC/Low Frequency Signal

Main Material
High-Quality Industrial Plastic Housing

Processing Type
Electronic, Solid State Relay (SSR)

Condition
New

Function
2-Channel Isolated Barrier, Switch Amplifier for Solenoid or Alarm Circuits

Application
Intrinsic Safety Applications (Switch Amplification, Signal Isolation)

Dimension (L*W*H)
114 mm x 18 mm x 110 mm (approx.)

Power Mode
DC Powered

Voltage
20 to 30 V DC

Power Consumption
< 2 W

Accessories
None Included

Typical Use Case
Status feedback from field switch into PLC/DCS

Output Type
Passive relay contact or transistor output

Approvals/Certification
ATEX, IECEx, SIL, CE, cULus

Model Code
KFA6-SR2-EX2.W

Number of Channels
2 Independent Input/Output Channels

Input Type
Digital (Potential-free contact or NAMUR sensor compatible)

Enclosure Color
Green

Isolation Voltage
2.5 kV (Input/Output/Ground)

Relay Type
Solid State Relay Switch Amplifier

Status Indication
LED Indication for Channel Status

Response Time
< 10 ms

Connection Type
Screw Terminals

Intrinsic Safety Parameters
Uo = 10 V, Io = 13 mA, Po = 33 mW (Typical)

PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications Trade Information

Minimum Order Quantity
1 Piece

Main Export Market(s)
Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa

Main Domestic Market
All India

About PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications

PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications

Key Technical Specifications

Feature	Specification
Supply Voltage	230 V AC (Terminals 14, 15)
Channels	2 independent channels
Input Type	NAMUR proximity sensors or dry mechanical contacts
Output Type	Relay contact output (Form C changeover relay)
Safety Rating	Functional safety up to SIL 2 according to IEC/EN 61508
Line Fault Detection	Built-in LFD to detect short circuits or lead breakages
Mounting	35 mm DIN mounting rail

Robust Signal Isolation for Hazardous Environments

The KFA6-SR2-EX2.W ensures safe and reliable signal processing between field devices and control systems in hazardous areas, thanks to its intrinsic safety design and strong galvanic isolation (2.5 kV). With two independent channels and solid state relays, it is well-suited for demanding industrial applications where process integrity and operator safety are paramount.

Quick Response and Easy Integration

This isolated barrier offers a response time of less than 10 milliseconds, making it ideal for real-time applications needing rapid signal amplification. Its digital input compatibility and flexible output types, suitable for both switch and NAMUR sensor signals, ensure effortless integration into modern PLC or DCS infrastructures using straightforward screw terminal connections.

Certified Safety and High Efficiency

Boasting essential certifications like ATEX, IECEx, SIL, CE, and cULus, the KFA6-SR2-EX2.W provides peace of mind for safety-critical installations. Its industrial-grade plastic housing, IP20 protection, and high efficiency (>90%) contribute to long-term durability and energy savings even in challenging operating conditions.

FAQ's of PEPPERL & FUCHS KFA6-SR2-EX2.W 2-Channel Isolated Barrier (Switch Amplifier) Designed For Intrinsic Safety Applications:

Q: How do I install the PEPPERL & FUCHS KFA6-SR2-EX2.W isolated barrier?

A: Installation is straightforward: the unit is designed for DIN rail mounting and utilizes screw terminals for secure wiring. Ensure the power supply is within the 20-30 V DC range (24 V DC preferred). After mechanical mounting, connect your field and control signals as per the wiring diagram to achieve reliable signal isolation between hazardous and safe areas.

Q: What are the main benefits of using this switch amplifier in intrinsic safety applications?

A: The KFA6-SR2-EX2.W provides effective signal amplification and galvanic isolation, helping to prevent electrical faults from propagating between field and control sides. Its fast response time, robust LED status indication, and compatibility with both potential-free contacts and NAMUR sensors enhance operational reliability and safety.

Q: When should I choose this model for my process automation setup?

A: This model is ideal when you need to safely interface digital input devices in hazardous or explosive environments to a PLC or DCS. With its multiple certifications, two independent channels, and fast performance, it's especially suited for applications demanding reliable signal feedback, such as monitoring solenoid or alarm circuits.

Q: Where can this isolated barrier be used effectively?

A: The KFA6-SR2-EX2.W is commonly used in oil & gas, chemical plants, pharmaceutical manufacturing, or any industrial setting where intrinsic safety and reliable signal transmission to control systems are required. Its IP20 protection rating makes it appropriate for enclosure mounting in control panels within these industries.

Q: What types of field devices are compatible with its input?

A: It accepts digital inputs from potential-free contacts or NAMUR-compatible sensors. This allows connection to standard process switches, proximity sensors, or similar field devices used for status feedback or alarm triggering.

Q: How are output signals provided to the control system?

A: Depending on your wiring configuration, the output can be a passive relay contact or open-collector transistor output. Both outputs are designed for efficient, pass-through signal delivery (dry contact or transistor), supporting seamless integration with most PLC or DCS digital input cards.

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