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KFD2-SR2-Ex1.W.LB
KFD2-SR2-Ex1.W.LB
Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Switch Amplifier (203351)
  1. KFD2-SR2-Ex1.W.LB
  2. KFD2-SR2-Ex1.W.LB
  3. Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Switch Amplifier (203351)

Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Switch Amplifier (203351)

£195.44 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.LB
Type Intrinsically Safe Switch Amplifier
Supply Voltage 19 … 30 V DC
Rated Current ≤ 45 mA
Input Type NAMUR sensor or dry contact
Output Type Dual relay contact outputs (signal & fault)
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
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SKU: KFD2-SR2-Ex1.W.LB Category: Tag: Brand:
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Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Switch Amplifier (203351)

The P&F KFD2-SR2-Ex1.W.LB is a 1-channel intrinsically safe switch amplifier with dual relay outputs and line fault detection, designed for transferring digital signals from NAMUR sensors or dry contacts in hazardous areas to safe-zone control systems.

Technical Specifications

Model KFD2-SR2-Ex1.W.LB
Type Intrinsically Safe Switch Amplifier
Input Type NAMUR sensor or dry contact
Output Type Dual relay contact outputs (signal & fault)
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 I: 7, 8, 9 | II: 10, 11, 12
Output Type Relay contact (signal + fault)
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 ≤ 45 mA
Power Dissipation ≤ 0.9 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)
Output/Output 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 (signal), 40 V DC (fault)

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Frequently Asked Questions

How can I check whether KFD2-SR2-Ex1.W.LB 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.LB 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

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KFD2-SR2-Ex1.W.LB-Datasheet.pdf

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