Product Specifications

Part Number	KFD2-SOT3-EX1.LB
Rated voltage Ur	19 … 30 V DC
Ripple	≤ 10 %
Rated current Ir	20 … 15 mA
Power dissipation	≤ 1 W (including max output dissipation)
Connection	Terminals 1+, 2+, 3-
Rated values	Acc. to EN 60947-5-6 (NAMUR)
Open circuit voltage / Short-circuit current	Approx. 10 V DC / approx. 8 mA
Switching point / Switching hysteresis	1.2 … 2.1 mA / approx. 0.2 mA
Line fault detection	Breakage I ≤ 0.1 mA, Short-circuit I ≥ 6.5 mA
Pulse/Pause ratio	Min. 100 µs / min. 100 µs
Rated voltage Ur	30 V DC
Rated current Ir	100 mA (short-circuit protected)
Response time	≤ 200 µs
Switching frequency	≤ 5 kHz
Ambient temperature	-20 … 60 °C (-4 … 140 °F)

The Pepperl+Fuchs KFD2-SOT3-EX1.LB is an extremely reliable switching amplifier (isolation barrier). It is widely used in industrial systems to interface NAMUR sensors or dry contacts with control systems such as PLCs and DCS.
This KFD2-SOT3-EX1.LB module provides galvanic isolation, ensuring safe operation in explosive environments while maintaining signal integrity. With integrated line fault detection (LFD) and support for SIL 2 safety applications, it is ideal for safety-critical processes in industries such as oil & gas, chemical processing, and power generation.

Frequently asked questions：

Q1: What is the Pepperl+Fuchs KFD2-SOT3-EX1.LB?
A1: It is an intrinsically safe switch amplifier designed to interface field devices in hazardous areas with control systems, ensuring safe signal transmission.

Q2: What is the KFD2-SOT3-EX1.LB rated operating voltage?
A2: The KFD2-SOT3-EX1.LB module operates within a rated voltage range of 19 to 30 V DC.

Q3: What is the KFD2-SOT3-EX1.LB maximum ripple allowed?
A3: The KFD2-SOT3-EX1.LB permissible ripple on the supply voltage is ≤ 10%, ensuring stable operation.

Q4: What is the KFD2-SOT3-EX1.LB rated current?
A4: The KFD2-SOT3-EX1.LB rated current is typically between 15 mA and 20 mA, depending on operating conditions.

Q5: What is the KFD2-SOT3-EX1.LB maximum rated voltage?
A5: The KFD2-SOT3-EX1.LB maximum rated voltage is 30 V DC.

Product Applications

Oil and gas
Petrochemical industry
Pharmaceutical engineering
Mining industry
Water treatment and electricity

Grab an Extra Discount - Contact Sales Manager Lisa Lin Today :
:sales7@amikon.cn :+86-18965423501 :AMKPLC

We provide a 12-month warranty and worldwide stock availability to guarantee smooth integration and prompt delivery for your daily operations.

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1)100% full New! - Original Factory Seal !
2)We have DHL,UPS,TNT ，customers can also use their own freight forwarders.
3)Package: Original packing with cartons.
4)Delivery time: Shipped in 3 days after payment.
5)Strict packaging to ensure safe arrival at destination.

Why You Can Trust Us?
★20 Years in this industry:
Our company specializes in supplying discontinued and hard-to-find parts for global industrial brands for over 20 years.
We have more than 30.000 high-quality spare parts, they can be sold immediately. Our large inventory allows us to quickly meet
customer needs, thereby reducing downtime and protecting production schedules.
★Professional Teams:
Whether you need new spare parts or obsolete/discontinued industrial parts, our experienced professional team will use years of industry knowledge in the industry to provide you with efficient parts solutions.
★Pruducts Quality:
100% full New! - Original Factory Seal!
We accept on-site inspection and pick-up.
We can also offer you one year guarantee.

What we can supply you?

We offer quality products of a wide range of brands, enabling the parts that meet your replacement needs can be found.
ABB
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• ABB H&B Freelance 2000 : AV31 AV 31, LL02 LL 02, RU01 RL 01
• ABB Master : DSTX120 5716001-MA, DSTD18P, DSTK183 2639603-BX
• ABB Operator Panel : PP835A, PP846A 3BSE042238R2
• ABB Procontic : CS31, 07KT98, 07SK90R1, 07ZE63R02
• ABB Robots : DSQC679, DSQC643, DSQC633, DSQC609
BENTLY NEVADA
• 3300 system : 3500/15, 3500/22M, 3500/45, 3500/64M, 3500/94
• 3500 system : 3500/12, 3500/20, 3500/46, 3500/50, 3500/65
• Proximity Probes : 330130-040-00-00, 330105-02-12-10-02-00, 330130-085-00-00
• Proximity Sensor : 330180-50-00, 330180-91-05, 330780-50-00, 330180-91-00
EMERSON
• DeltaV : KJ3002X1-BB1 12P068X082, KJ3221X1-BA1 12P2531X132 VE4035S2B1
• Fisher : 01984-4282-0001, 01984-2518-0002
• Ovation : IC31132G01, 1C31234G01, 5X00058G01, 5X00167G01, 1C31194G01
• Rosemount : 2051CD2A02A1AS3I1M5 405PS100N065D3H
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•IC693/IC695/IC697/IC698/IC200/IC660/IC670 CPU module:IC693PWR321,IC695CHS012,IC697PWR711M,IC698CPE020,IC200CHS022L

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