Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
3 ready to ship
Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
Express delivery
Lightning fast delivery if ordered within 00:00:00
Hassle-free returns
No hidden fees or duties
Swift dispatch and delivery
Specification & Description
| Specification | Description |
|---|---|
| Part Number | KFD2-STC1-EX1 |
| Manufacturer | Pepperl + Fuchs |
| Type | SMART Transmitter Power Supply |
| Supply Connection | Power Rail or terminals 7+, 8- |
| Rated Operational Voltage | 20 ... 35 V DC |
| Power Consumption | ≤ 1.2 W |
| Input Connection | Terminals 1+, 3- |
| Input Signal | 4 ... 20 mA |
| Output Connection | Terminals 8-, 9+, 10-, 11+ |
| Output Signal | 4 ... 20 mA, max. load 500 Ohm, with HART ≥ 230 Ohm |
| Ripple | ≤ 75 µA ss |
| Transfer Characteristics | Deviation ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage |
| Temperature Influence | ≤ 20 p.p.m / K |
| Frequency Range | Hazardous area to safe area: 0 ... 12 kHz (-1 dB); 0 ... 30 kHz (-6 dB) |
| Rise Time | 40 µs |
| De-energised Delay | 40 µs |
| Galvanic Isolation | Input/Output safe galvanic isolation according to EN 50020 |
| Ambient Temperature | -20 ... 60 °C (253 ... 333 K) |
| Protection Degree | IP20 |
| Mass | Approx. 150 g |
| EC-Type Examination Certificate | BAS 00 ATEX 7127 |
| Group, Category, Type of Protection | [EEx ia] IIC (Tamb = 60 °C) |
| External Capacitance | 1.016 µF (KFD2-STC1-Ex1) |
| External Inductance | 33.6 mH (KFD2-STC1-Ex1) |
| Safety Maximum Voltage | Um 250 V (Attention! The rated voltage can be lower) |
The Pepperl + Fuchs KFD2-STC1-EX1 is a high-quality transmitter power supply designed to facilitate the safe and efficient operation of SMART transmitters within hazardous areas. This single-channel unit is engineered to provide a stable 24 V DC nominal supply voltage and is capable of supporting SMART communication protocols up to 12 kHz (-1 dB), ensuring compatibility with a wide range of industry-standard devices.
Constructed with intrinsic safety in mind, the KFD2-STC1-EX1 features an input signal range of 4 to 20 mA, making it suitable for a variety of process control applications. The device is adept at transferring measurement currents from the hazardous area to the safe area without compromising the integrity of the signal.
The power supply is designed to work within an ambient temperature range of -20 to 60 °C, catering to diverse environmental conditions. It also boasts a compact form factor with a mass of approximately 150 g and a protection degree of IP20, ensuring it can be easily integrated into existing systems.
With its robust electrical isolation and compliance with relevant EMC standards, the KFD2-STC1-EX1 is a reliable choice for industries requiring precise control and monitoring of processes in potentially explosive environments. Its compatibility with various SMART systems from leading manufacturers further underscores its versatility in industrial applications.
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.
Read more...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.
Read more...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.
Read more...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.
Read more...How do I create an account?
Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.
Read more...Peace of mind with every purchase
Julien
‘Perfect quick delivery, good service.’
Thomas Roland Geaughan
‘Prompt and expert service. Ease of access to find the parts I needed.’
Blažej Knežo
‘Quick response and fast delivery of the product.’
Andreas Boehm
‘Excellent service. The right gear and the right price,well packed and delivered on time.’
Irene
‘Fast delivery and prompt action.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Julien
‘Perfect quick delivery, good service.’
Milan Kosík
‘Large selection of spare parts, fast delivery.’
Muswalin
‘Good packing, quickly delivery and responsible.’
Similar Products
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 function of this transmitter power supply?
The transmitter power supply is designed to provide power to SMART transmitters in hazardous areas and to transfer the 4 mA to 20 mA analogue signal values to the safe area output terminals.
Can this device be used with HART communication protocol?
Yes, the KFD2-STC1-EX1 is capable of handling HART communication signals superimposed on the 4-20 mA signal, allowing for bidirectional digital communication in conjunction with the analogue signal.
What are the input and output signal ranges for this device?
The input signal range for this device is 4 to 20 mA, which is a standard for many process control instruments. The output signal is also 4 to 20 mA, suitable for driving control systems in the safe area.
What type of electrical isolation does this device provide?
The device provides safe electrical isolation according to EN 50020 between the input and output, and between the input and power supply, with a voltage peak value of 375 V.
What is the ambient temperature range in which this device can operate?
The device is designed to operate within an ambient temperature range of -20 to 60 °C, making it suitable for a variety of industrial environments.
What type of hazardous area protection does this device offer?
The device offers [EEx ia] IIC protection, which means it is suitable for use in areas where an explosive atmosphere is likely to occur and provides intrinsic safety for circuits in these environments.
What are the power supply requirements for this device?
The device requires a rated operational voltage of 20 to 35 V DC, with a power consumption of less than or equal to 1.2 W.
What is the maximum load that can be connected to the output?
The maximum load that can be connected to the output is 500 Ohm for the 4-20 mA signal. If HART communication is used, the minimum load resistance should be 230 Ohm.
How is the device mounted for use?
The device is designed for mounting on a 35 mm DIN rail, which is a standard mounting practice in industrial control equipment.
Does this device have any certifications?
Yes, the device has certifications including an EC-Type Examination Certificate and complies with various standards such as EN 50081-2 and EN 50082-2 for electromagnetic compatibility.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
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.
