PEPPERL & FUCHS KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications

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PEPPERL & FUCHS KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications

Name: PEPPERL & FUCHS KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications
Brand: Industrial Online Services
Price: 5000 INR
Availability: InStock

Price 5000 INR/ Piece

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MOQ : 1 Piece

PEPPERL & FUCHS KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications Specification

Protection Level
IP20

Rated Voltage
24 V DC

Phase
Single Phase

Efficiency
High signal integrity and galvanic isolation

Mounting Type
DIN Rail Mount

Humidity
Up to 95% (non-condensing)

Input Current
<3 mA per channel

Output Voltage
Approx. 24 V DC (open collector/relay out)

Frequency
0 Hz to 1 kHz (switching frequency)

Operating Temperature
-20C to +60C

Main Material
Polycarbonate housing

Processing Type
Isolated Barrier Module

Condition
New

Function
2-channel switch amplification, isolation, signal transmission

Application
Intrinsically safe switch amplifier for hazardous areas, signal separation in automation systems

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

Power Mode
DC Powered

Voltage
20 V DC to 30 V DC (24 V DC nominal)

Power Consumption
<2.5 W

Output Type
Relay (potential-free) or transistor output

LED Indication
Status LEDs for channel indication and diagnostic

Switch Type
Switch Amplifier, intrinsically safe

Approval/Certification
ATEX, IECEx, UL, CE for hazardous areas (Zone 2, Category 3G/3D)

Terminal Type
Screw terminal blocks

Galvanic Isolation
120 V AC between input, output, and supply

Response Time
<10 ms

Input Type
Active/passive binary sensors, dry contacts

Storage Temperature
-40C to +80C

Weight
Approx 150 g

Channels
2 Channels (Double channel design)

Model
KFD2-SR2-EX2.W

PEPPERL & FUCHS KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
5-7 Days

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 KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications

PEPPERL & FUCHS KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications

Key Technical Specifications

Channels: 2 independent channels.
Power Supply: 24 V DC nominal voltage via connection terminals or Power Rail.
Input Parameters: Intrinsic safety (Ex ia); supports NAMUR proximity sensors or dry contacts.
Output Parameters: Changeover relay contacts (1 SPDT per channel).
Safety Integrity Level: Rated up to SIL 2 (SC 3) according to IEC/EN 61508.
Line Fault Detection (LFD): Detects lead breakages or short circuits in the hazardous area loop.
Housing & Mount: Standard 20 mm width housing designed for DIN rail mounting.

Active Control Features

Reversible Mode: Features integrated DIP switches to invert the relay operation mode.
Status Indicators: Built-in front LEDs display power status, channel switching status, and faults (NAMUR NE 44 compliant).
Fail-Safe Mechanism: Reverts to a de-energized safe state if a fault condition occurs.

Reliable Intrinsically Safe Signal Amplification

This switch amplifier is engineered for hazardous environments, ensuring high-level protection for binary sensor signals. With approvals from ATEX, IECEx, UL, and CE, it is ideally suited for Zone 2, Category 3G/3D applications. Its efficient two-channel design enables safe and accurate signal separation within automation systems.

Flexible Installation and Easy Operation

Fitted in a durable polycarbonate enclosure, the KFD2-SR2-EX2.W features screw terminal blocks and compact dimensions, allowing easy DIN rail mounting in control panels. Status LEDs provide clear channel indication and diagnostics, facilitating straightforward installation and maintenance by engineers and technicians.

Advanced Safety and Performance Features

With a power consumption below 2.5 W and an operating temperature range of -20C to +60C, this isolated barrier delivers reliable performance in diverse industrial environments. Its galvanic isolation, fast response times, and multiple output options ensure dependable signal transmission and operational safety in hazardous area applications.

FAQ's of PEPPERL & FUCHS KFD2-SR2-EX2.W 2-Channel Switch Amplifier Designed As An Isolated Barrier For Intrinsically Safe Applications:

Q: How is the KFD2-SR2-EX2.W switch amplifier typically used in industrial automation?

A: This device is primarily used to separate and amplify signals between hazardous and non-hazardous areas, providing safe transmission of input signals from binary sensors or dry contacts to automation control systems.

Q: What types of input sensors are compatible with this switch amplifier?

A: The KFD2-SR2-EX2.W supports both active and passive binary sensors, as well as dry contact inputs, making it versatile for a wide range of industrial sensing applications.

Q: When should you choose this switch amplifier for your system?

A: It is ideal for applications requiring intrinsically safe barriers, especially where signal integrity and galvanic isolation are critical, such as in hazardous environments classified as Zone 2, Category 3G/3D.

Q: Where can this amplifier be installed and operated safely?

A: The amplifier is designed for indoor installation on DIN rails within control panels, suitable for hazardous industrial zones in accordance with ATEX, IECEx, UL, and CE certifications.

Q: What is the process for connecting this device during installation?

A: Installers should mount the amplifier on a DIN rail, connect the input and output signals via screw terminal blocks, and supply 24 V DC power. Its LED indicators assist in verifying correct channel and diagnostic status during setup.

Q: How does galvanic isolation benefit automation systems using this amplifier?

A: Galvanic isolation up to 120 V AC prevents unwanted electric currents between input, output, and supply, thereby increasing safety and maintaining high signal integrity across system components.

Q: What are the main advantages of choosing this model for hazardous areas?

A: The KFD2-SR2-EX2.W offers high efficiency, compact double-channel design, fast response under 10 ms, multiple certifications, and ease of installation, ensuring safe and reliable operation in hazardous environments.

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