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From Fortune 500 enterprises to innovative startups, leading companies choose Marvo for reliable automation and control components.
"Thumbs up to Rob for helping out with an urgent requirement we had on a Friday afternoon. The part we wanted was over in Europe and Rob went out of his way to get it ordered and on site here for the following Tuesday."
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.
| 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) |
Absolutely fantastic service. Rob was very helpful. Great communication. Requested part was shipped in no time.Konrad Eliaszuk
Found the component i was looking for ad a great price. Great support from the staff as I was paying using a wire transfer. - Quick delivery and very good packaging.Adriano Tiberi
Found the part we needed at the best price. Spoke to Rob to make sure the part was actually in stock, as many companies don't actually have the part available to ship. It was in stock ready and the part was checked and shipped and received within a couple of days from their German stock. Would definitely use again and recommend.Chris Sentance
FIRST TIME WORKING WITH MARVO. THEY HAD WHAT I NEEDED AND TOOK GREAT CARE OF ME AND GOT MY ORDER OUT IMMEDITELY. WAS VERY IMPRESSED WITH THE SERVICE AND THE PERSON I SPOKE WITH. I WILL DEFINITELY WORK WITH THEM QGAIN IN THE FUTURE.Robert Cohen
After ordering an urgent part from Marvo i received a great level of customer service and Rob was very helpful.Claire Hinchliff
Excellent service partially from Mark who stayed late to ensure the part arrived with me same day as this was a critical part for me even though this was my first time using Marvo. I will defiantly be using again.Josh Holt
Thumbs up to Rob for helping out with an urgent requirement we had on a Friday afternoon. The part we wanted was over in Europe and Rob went out of his way to get it ordered and on site here for the following Tuesday.City Bearings
Found the component i was looking for ad a great price. Great support from the staff as I was paying using a wire transfer. - Quick delivery and very good packaging.Adriano Tiberi
Found the part we needed at the best price. Spoke to Rob to make sure the part was actually in stock, as many companies don't actually have the part available to ship. It was in stock ready and the part was checked and shipped and received within a couple of days from their German stock. Would definitely use again and recommend.Chris Sentance
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