🔍
KFD2-SR2-EX1.W
KFD2-SR2-EX1.W
Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier (70101737)
KFD2-SR2-Ex1.W
  1. KFD2-SR2-EX1.W
  2. KFD2-SR2-EX1.W
  3. Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier (70101737)
  4. KFD2-SR2-Ex1.W

Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier (70101737)

£178.19 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsPepperl+Fuchs
Model KFD2-SR2-Ex1.W
Type Intrinsically Safe Switch Amplifier
Supply Voltage 19 … 30 V DC
Rated Current ≤ 35 mA
Input Type NAMUR sensor or dry contact
Output Type Relay contact output
Dimensions 20 x 119 x 115 mm (W x H x D)
Connection Screw terminals
Mounting 35 mm DIN rail (EN 60715)
Open Circuit Voltage Approx. 8 V DC
✓ Genuine OEM Parts✓ 2-Year Store-Backed Warranty✓ Technical Support

Found a Better Price? We’ll Match or Beat It InstantlySend us the competing price or quote for a personalised offer.

🛡️ 24-Month Drive Outlet Warranty

Every product is 100% new, genuine, and backed by our exclusive 2-year warranty. We are an independent supplier and not an authorised distributor. Manufacturer warranties may not apply. See our Terms and Conditions.

SKU: KFD2-SR2-Ex1.W Category: Tag: Brand:
Guaranteed Safe Checkout
Extra Features
  • 100% Brand New & Genuine OEM Product
  • Includes Full 2-Year Warranty for Peace of Mind
  • Fast UK & Worldwide Shipping – Fully Tracked
  • Expert Technical Support from Our In-House Engineers
  • Found a Better Price? We’ll Match or Beat It Instantly

Pepperl+Fuchs KFD2-SR2-Ex1.W Switch Amplifier (70101737)

The P&F KFD2-SR2-Ex1.W is a 1-channel intrinsically safe switch amplifier designed to transfer digital signals from NAMUR sensors or dry contacts in hazardous areas to control equipment in safe zones. With integrated line fault detection, reversible logic operation, and relay contact output, it is certified for SIL 2 functional safety and ideal for position monitoring, end stop detection, and similar applications in process automation.

Technical Specifications

Model KFD2-SR2-Ex1.W
Type Intrinsically Safe Switch Amplifier
Input Type NAMUR sensor or dry contact
Output Type Relay contact output
Channels 1
Mounting 35 mm DIN rail (EN 60715)

Input Specifications

Connection Terminals 1+, 2+, 3-
Standard EN 60947-5-6 (NAMUR)
Open Circuit Voltage Approx. 8 V DC
Short-Circuit Current Approx. 8 mA
Switching Point 1.2 … 2.1 mA
Hysteresis Approx. 0.2 mA
Line Fault Detection Break ≤ 0.1 mA, Short ≥ 6 mA
Pulse/Pause Ratio Min. 20 ms

Output Specifications

Output Terminals 7, 8, 9
Output Type Relay contact
Minimum Switching Current 2 mA @ 24 V DC
Switching Delay Approx. 20 ms (On/Off)
Mechanical Life 10 7 switching cycles
Contact Rating 250 V AC / 2 A (cos φ > 0.75) 126.5 V AC / 4 A (cos φ > 0.75) 40 V DC / 2 A resistive

Power & Configuration

Supply Voltage 19 … 30 V DC
Rated Current ≤ 35 mA
Power Dissipation ≤ 0.7 W
Power Rail Support Yes
Visual Indicators LEDs (NAMUR NE 44)
Configuration DIP switch configurable

Galvanic Isolation

Input/Output Reinforced (300 Veff)
Input/Power Supply Reinforced (300 Veff)
Output/Power Supply Reinforced (300 Veff)

Environmental & Mechanical

Operating Temperature -40 … 70 °C
Degree of Protection IP20
Connection Screw terminals
Dimensions 20 x 119 x 115 mm (W x H x D)
Weight Approx. 150 g

Certifications & Safety

SIL Rating SIL 2 (SC 3) per IEC/EN 61508
ATEX Marking II (1)G [Ex ia Ga] IIC / II (1)D [Ex ia Da] IIIC / I (M1) [Ex ia Ma] I
IECEx Marking Ex ia Ga IIC / Ex ia Da IIIC / Ex ia Ma I / Ex ec nC IIC T4 Gc
FM/UL Approval Yes (FM19US0207X, UL E106378)
Certificates PTB 00 ATEX 2080, TÜV 99 ATEX 1493 X, IECEx PTB 11.0034, IECEx TUN 19.0013X
Max Safe Voltage (Um) 253 V AC / 125 V DC

Related Products & Helpful Links

Frequently Asked Questions

How can I check whether KFD2-SR2-Ex1.W is the correct replacement?

Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.

How quickly can KFD2-SR2-Ex1.W be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 0.15 kg

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Pepperl+Fuchs Supplier UK – Interface Modules, Sensors & Signal Conditioning Parts

Browse Pepperl+Fuchs products for intrinsic safety barriers, interface modules, signal conditioners, sensors, switch amplifiers and industrial control panel spares.

⚙️ Genuine OEM Automation Parts
🔎 Search by Part Number
🚚 Fast UK & International Delivery
🛠️ Technical Sourcing Support

Popular Pepperl+Fuchs Products

Use the product links below as quick routes into this brand. If you already know your part number, use the search bar for the fastest result.

View Pepperl+Fuchs KFD2-GUT-Ex1.D Temperature Converter (231225)
View Pepperl+Fuchs WCS3B-LS311 SSI Read Head (99290-0026)
View Pepperl+Fuchs KFD2-CRG2-Ex1.D Power Supply (255620)
View Pepperl+Fuchs PCV100-F200-B17-V1D-6011-6997 Read Head
View Pepperl+Fuchs KFD0-RO-Ex2 Relay Module (038975)
View Pepperl+Fuchs WCS3B-LS311D SSI Read Head (199290-0027)

Shop Pepperl+Fuchs by Product Category, Series & Specification

Compare Pepperl+Fuchs products by K-System module type, input signal, output function, safety rating, supply voltage, channel count and exact part number.

View Pepperl+Fuchs Modules
View Pepperl+Fuchs Encoders
View Pepperl+Fuchs Power Supplies
View Pepperl+Fuchs Laser Scanners
View Pepperl+Fuchs Relays
View All Pepperl+Fuchs Products

Need Help Finding the Right Pepperl+Fuchs Product?

If you cannot find the exact part number, send us the model code, a photo of the rating plate or the details of the machine it is fitted to. We can help check availability, replacements and suitable alternatives.

Request a Quote / Contact Us

Pepperl+Fuchs FAQs

How do I find the correct Pepperl+Fuchs product?

The fastest way is to search using the exact manufacturer part number or model code. You can also browse this brand page by product category, series and specification to compare close alternatives.

What should I check before buying Pepperl+Fuchs products?

Check the Pepperl+Fuchs model code, channel count, input/output type, hazardous-area approval, supply voltage, switching function and wiring compatibility.

Can you help if my exact Pepperl+Fuchs part number is not listed?

Yes. Send us the part number, a photo of the label or the machine details and we can check availability, replacement options and suitable alternatives.

Are these products suitable for industrial replacement jobs?

These pages are designed for maintenance teams, panel builders, OEM buyers and engineers who need part-number-led industrial automation spares for repairs, upgrades and breakdown support.

How quickly can you supply Pepperl+Fuchs products?

Availability depends on the exact product and quantity required. Check the product page or contact us and we can confirm stock position, lead time and shipping options.

View all Pepperl+Fuchs products

KFD2-SR2-Ex1.W-Datasheet.pdf

Related products

Need help with PLC/HMI compatibility and correct accessories?

Send your controller/network details — we’ll confirm comms, expansion, and the right cables/modules.

  • Ethernet/serial/fieldbus compatibility checks
  • Correct cables, memory and add-on modules
  • Fast quote with suitable alternatives
Request a Quote Browse Our Brands
Or call: 0161 470 2725