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4 weeks ago
KFA6-SR2-EX1.W
Pepperl + Fuchs KFA6-SR2-EX1.W available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Pepperl + Fuchs KFA6-SR2-EX1.W is a high-quality switch amplifier designed to facilitate the safe and efficient transfer of digital signals from hazardous areas to safe areas. This one-channel isolated barrier is equipped with a 230 V AC supply and is compatible with both dry contact and NAMUR inputs. It features a relay contact output and is capable of line fault detection (LFD), enhancing operational reliability.
This switch amplifier is engineered to support a reversible mode of operation, allowing for flexibility in signal processing. The robust design ensures a mechanical life of 10^7 switching cycles, making it a durable choice for industrial applications. With a compact footprint of 20 x 119 x 115 mm, it is designed for easy mounting on a 35 mm DIN rail, ensuring a straightforward installation process.
The device is also suitable for use in safety-related applications, with a capability of up to SIL2 according to IEC 61508/IEC 61511 standards. The KFA6-SR2-EX1.W is meticulously crafted to provide reinforced insulation between input, output, and power supply, ensuring a high degree of electrical safety and compliance with international standards.
Ideal for a variety of industrial settings, this switch amplifier is a reliable component for system integrators and engineers looking to maintain signal integrity and safety in challenging environments.
This switch amplifier is engineered to support a reversible mode of operation, allowing for flexibility in signal processing. The robust design ensures a mechanical life of 10^7 switching cycles, making it a durable choice for industrial applications. With a compact footprint of 20 x 119 x 115 mm, it is designed for easy mounting on a 35 mm DIN rail, ensuring a straightforward installation process.
The device is also suitable for use in safety-related applications, with a capability of up to SIL2 according to IEC 61508/IEC 61511 standards. The KFA6-SR2-EX1.W is meticulously crafted to provide reinforced insulation between input, output, and power supply, ensuring a high degree of electrical safety and compliance with international standards.
Ideal for a variety of industrial settings, this switch amplifier is a reliable component for system integrators and engineers looking to maintain signal integrity and safety in challenging environments.
| Specification | Description |
|---|---|
| Part Number | KFA6-SR2-EX1.W |
| Alternative Part Number | KFA6SR2EX1W |
| Manufacturer | Pepperl + Fuchs |
| Supply Voltage | 207 ... 253 V AC, 45 ... 65 Hz |
| Power Loss | 1 W |
| Power Consumption | ≤ 1 W |
| Signal Type | Digital Input |
| Input Connection | Terminals 1+, 2+, 3- |
| Rated Values | Acc. to EN 60947-5-6 (NAMUR) |
| Open Circuit Voltage | Approx. 8 V DC |
| Short-Circuit Current | Approx. 8 mA |
| Switching Point/Hysteresis | 1.2 ... 2.1 mA / Approx. 0.2 mA |
| Line Fault Detection | Breakage I ≤ 0.1 mA, Short-Circuit I > 6 mA |
| Pulse/Pause Ratio | ≥ 20 ms / ≥ 20 ms |
| Output Connection | Terminals 7, 8, 9 |
| Output Signal | Relay |
| Contact Loading | 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load |
| Energised/De-energised Delay | Approx. 20 ms / Approx. 20 ms |
| Mechanical Life | 10^7 switching cycles |
| Switching Frequency | < 10 Hz |
| Electrical Isolation | Input/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| 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 |
| Mounting | On 35 mm DIN mounting rail acc. to EN 60715:2001 |
| EC-Type Examination Certificate | PTB 00 ATEX 2081 |
| Approvals | ¬ II (1)G [Ex ia Ga] IIC, ¬ II (1)D [Ex ia Da] IIIC, ¬ I (M1) [Ex ia Ma] I |
| Input | Ex ia |
| Voltage Uo | 10.6 V |
| Current Io | 19.1 mA |
| Power Po | 51 mW (linear characteristic) |
| Maximum Safe Voltage Um | 253 V AC (Attention! Um is no rated voltage.) |
What is the purpose of the Switch Amplifier?
The Switch Amplifier is designed for intrinsic safety applications, transferring digital signals from hazardous areas to safe areas. It's commonly used to interface NAMUR sensors or mechanical contacts with control systems.
Can this device be used with both AC and DC signals?
The device is primarily designed for use with a 230 V AC supply. It is capable of switching both AC and DC loads at the output, with specific ratings for resistive loads provided in the technical specifications.
Is the Switch Amplifier suitable for use in explosive environments?
Yes, the device has certifications for use in potentially explosive atmospheres, making it suitable for applications in hazardous areas.
What type of input signal does the device accept?
The device accepts digital input signals, compatible with dry contact or NAMUR sensors, which are commonly used for detecting the presence or absence of an object.
How does the device indicate operational status?
The device features LED indicators for power supply, output status, and line fault detection, providing visual feedback on the operational status.
What is the ambient temperature range for the operation of 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.
What is the significance of the line fault detection feature?
Line fault detection is a safety feature that monitors the field circuit for open circuits or short circuits, ensuring the integrity of the connection to the hazardous area.
How can the mode of operation be changed on the device?
The mode of operation can be reversed using an onboard switch, allowing flexibility in configuring the device according to the specific needs of the application.
What certifications does the Switch Amplifier hold?
The device holds several international certifications, including ATEX, IECEx, FM, UL, and CSA, ensuring compliance with global safety standards.
What is the mechanical life expectancy of the device's relay contacts?
The relay contacts in the device have a mechanical life expectancy of 10^7 switching cycles, indicating a long service life under typical operating conditions.
- Isolation and amplification of digital signals from hazardous areas to safe areas
- Interface for NAMUR sensors and mechanical contacts in control systems
- Signal conversion for intrinsically safe devices within explosive environments
- Monitoring and detection of line faults such as lead breakage or short-circuits
- Use in safety-related applications up to SIL2 according to IEC 61508/IEC 61511
- Relay contact output for controlling external devices like alarms or indicators
- Integration into process control and automation systems within chemical, pharmaceutical, and oil and gas industries
- Application in environments requiring strict adherence to ATEX and IECEx standards for explosion protection
- Utilisation in systems that require galvanic isolation to prevent electrical interference and ensure signal integrity
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
2 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
2 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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