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Pepperl + Fuchs KFD2-ST2-EX2

Name: KFD2-ST2-EX2
Brand: Pepperl + Fuchs
SKU: KFD2-ST2-EX2
Price: 107.98 GBP
Availability: InStock

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£107.98 (ex. VAT)

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Marvo Stock ID MV-2BNO

HS Code 85389099

SKU KFD2-ST2-EX2

Condition Used

Category General Automation

Warranty 12 months

Weight (kg) 1.00

Length (mm) 210.00

Width (mm) 170.00

Height (mm) 60.00

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Specification & Description

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Commonly Asked Questions

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Customer Reviews

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Specification & Description

Specification	Description
Part Number	KFD2-ST2-EX2
Alternative Part Number	KFD2ST2EX2
Manufacturer	Pepperl + Fuchs
Category	General Automation
Mounting Type	DIN Rail Mount
Signal Type	Digital Input
Supply Voltage	20 ... 30 V DC
Ripple	≤ 10 %
Rated Current	≤ 50 mA
Input Connection	Terminals 1+, 2+, 3-; 4+, 5+, 6-
Output Connection	Output I: terminals 7+; Output II: terminals 9+
Signal Level	1-signal: (L+) - 3.5 V (100 mA, short-circuit protected), 0-signal: switched off
Switching Frequency	≤ 5 kHz
Electrical Isolation	Reinforced insulation according to IEC 62103, rated insulation voltage 300 Vrms
Ambient Temperature	-20 ... 60 °C (-4 ... 140 °F)
Degree of Protection	IP20
Dimensions	20 x 119 x 115 mm (0.8 x 4.7 x 4.5 in), housing type B2
Functional Safety	Up to SIL2 according to IEC 61508
Certifications	ATEX, IECEx, FM, CSA
Commodity Code	853710
Weight	Approx. 150 g

The Pepperl + Fuchs KFD2-ST2-EX2 is a high-quality switch amplifier designed to facilitate the safe transmission of digital signals from hazardous areas to safe zones. This two-channel isolated barrier is equipped with a 24 V DC supply via Power Rail and is compatible with both dry contact and NAMUR inputs. It boasts an active transistor output and features line fault detection (LFD) to ensure operational integrity.

Crafted to support a reversible mode of operation, the KFD2-ST2-EX2 can adapt to various control requirements, making it a versatile component for a wide range of industrial applications. The unit is also capable of achieving up to SIL2 according to IEC/EN 61508, highlighting its reliability and commitment to functional safety.

The switch amplifier's robust design includes reinforced insulation between input and output as per IEC 62103, with a rated insulation voltage of 300 Vrms, ensuring a high degree of electrical isolation and safety. The device's compact dimensions and DIN rail mounting capability make it easy to install within control panels and equipment racks.

With its meticulous construction and adherence to international standards, the Pepperl + Fuchs KFD2-ST2-EX2 switch amplifier is an essential component for engineers and technicians looking to enhance the safety and efficiency of their automation systems.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Learn more about Marvo

Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What is the purpose of the Switch Amplifier?

The Switch Amplifier is designed to transfer digital signals from hazardous areas to safe areas. It can be used with NAMUR sensors or dry contacts to control an active transistor output for safe area loads.

Can this device be used in safety-related applications?

Yes, the Switch Amplifier is suitable for use in safety-related applications and is rated up to SIL 2 according to IEC/EN 61508.

What type of inputs can be connected to the Switch Amplifier?

The device accepts dry contact or NAMUR inputs from sensors, allowing for flexibility in connecting different types of field devices.

Is line fault detection available on this device?

Yes, the Switch Amplifier features Line Fault Detection (LFD) which monitors the control circuit for lead breakage and short circuits, enhancing the reliability of the system.

What are the power supply requirements for the Switch Amplifier?

The device requires a 24 V DC supply, which can be provided through a Power Rail or directly via terminals 14+ and 15-.

How can the mode of operation be changed on the Switch Amplifier?

The mode of operation can be reversed using the onboard DIP switches, allowing users to configure the device according to their specific application needs.

What type of output does the Switch Amplifier provide?

The Switch Amplifier provides an active transistor output that changes state when the input signal changes, offering a reliable means of signal transmission to the safe area.

How is the device mounted for installation?

The Switch Amplifier is designed for mounting on a 35 mm DIN rail, which is a standard mounting practice for industrial equipment.

What is the ambient temperature range for the Switch Amplifier?

The device can operate within an ambient temperature range of -20 to 60 °C, making it suitable for a variety of industrial environments.

Does the Switch Amplifier have any international approvals?

Yes, the device has international approvals including FM, CSA, and IECEx certifications, ensuring compliance with global safety standards.

Part conditions explained

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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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