All products

Pepperl+Fuchs (P+F) safety barrier KFD2-UFC-EX1.D in stock

$414.57

Pepperl+Fuchs (P+F) safety barriers, also known as safety retainers, are safety interfaces for intrinsically safe circuits. They enable bidirectional electrical signal transmission between safe (intrinsically safe) and hazardous (non-intrinsically safe) areas and limit energy transfer from the hazardous area to the safe area due to a fault. Common safety barriers include Zener and isolation types.


Brand

P+F/Pepperl+Fuchs (Germany)

Application Areas

Environmental Protection, Biotechnology, Energy, Electrical, General

Pepperl+Fuchs P+F Sensor KFD2-UFC-EX1.D in Stock

Pepperl+Fuchs P+F Sensor Car Mixer KFD2-UFC-ex1.d

Pepperl+Fuchs P+F Safety Barrier Structure:

Zener-type Safety Barrier

The circuit uses fast-acting fuses, current-limiting resistors, or voltage-limiting diodes to limit the input electrical energy, thereby ensuring the energy output to the hazardous area is protected.

1. The installation location must have a very reliable grounding system, which is obviously very demanding and difficult to guarantee in practical engineering applications.

3. Zener-type safety barriers are significantly affected by the power supply and are easily damaged by power fluctuations.

4. Because the circuit principle of the Zener-type safety barrier requires absorbing energy from the input circuit, it is prone to output instability.

Advantages of Pepperl+Fuchs (P+F) safety barriers:

① Although isolated safety barriers are more expensive than Zener barriers, their numerous advantages and features offer significant convenience to users, leading to a growing preference for them.

② Isolated safety barriers effectively isolate field circuit signals from safe circuit signals. This eliminates the need for intrinsically safe grounding systems in intrinsically safe control systems, simplifying construction.

③ Isolated safety barriers significantly enhance the anti-interference capabilities of detection and control circuits, improving system reliability.

④ Isolated safety barriers allow for grounding of field instruments, permitting non-isolated field instruments.

⑤ Isolated safety barriers have numerous protective circuits, reducing the likelihood of accidental damage and allowing for live maintenance of field instruments, thus shortening start-up preparation time and minimizing downtime.

⑥ Isolated safety barriers possess strong signal processing capabilities, such as converting switch input status control, mV, and Pt100 to 4~20mA, etc. This provides greater convenience, rationality, and effectiveness for the application of field instruments and control systems.

⑦ When users simultaneously apply DCS and ESD, selecting a one-input, two-output safety barrier can effectively isolate the two systems, preventing mutual interference.

⑧ Loop-powered isolation safety barriers retain the advantages of active isolation safety barriers and offer the same wiring convenience as Zener barriers. They do not require a separate 24V power supply, making them particularly suitable for DCS systems directly powered by I/O cards.

Pepperl+Fuchs (P+F) safety barriers are connected between intrinsically safe and non-intrinsically safe circuits. They limit the voltage and current supplied to intrinsically safe circuits within a safe range.

Features

》Channel isolation barrier

》24V DC power supply (electric railway)

》2-wire SMART transmitter and current source input signals

》Distributor (1 input and 2 outputs)

》Dual output 0/4 mA... 20 mA or 0/1 V... 5 V

》Terminal module with test socket

》SIL 2 (SC 3) acc. 61508

Pepperl+Fuchs (P+F) Safety Barrier Introduction:

Pepperl+Fuchs (P+F) safety barriers, also known as safety limiters, are an important component of intrinsically safe systems.

Pepperl+Fuchs (P+F) safety barriers are mainly divided into two categories: Zener barrier type and isolation barrier type.

The core components of a Zener barrier are a Zener diode, a current-limiting resistor, and a fast-blow fuse.

Isolation barriers not only limit energy but also provide isolation. They mainly consist of a loop limiting unit, a signal and power isolation unit, and a signal processing unit.

The primary function of a safety barrier is to limit current and voltage, ensuring that the energy available to field instruments remains within safe limits.

The following are Pepperl+Fuchs (P+F) safety barriers in stock:

KCD2-STC-Ex1

KCD2-SCD-EX1

KCD2-STC-1

KCD2-SCD-1

KFD2-STC5-EX1

KFD2-STC5-EX1.2O

KCD2-STC-EX1.20

KCD2-STC-1.2O

KFD2-STC5-1.2O

KCD2-UT2-EX1

KFD2-UT2-EX2

KFD2-UT2-EX1

KFD2-STC5-EX2

KFD2-CD-EX1.32

KFD2-EB2.R4A.B

KFD0-SD2-EX1.1045

KCD0-SD-EX1.1245

KFD2-VR4-EX1.26

KCD2-RR-EX1 KFD2-SCD-EX1.LK

KFD2-SCD2-Ex2.LK

KFD2-SCD2-EX1.LK

KCD2-SR-EX1.LB

KCD2-SOT-EX1.LB

KFD2-SR2-EX1.W

KFD2-SR2-EX2.W

KFD2-SR2-EX1.W.LB

KFA6-SR2-EX1.W

KFD2-STC5-1

KFD2-SOT3-EX2

KCD2-STC-1.20

UPR-03

KFD0-RSH-1

K-ADP-USB

KFD2-UT2-1

KFD2-CRG2-Ex1.D

KFD2-UFC-EX1.D

KCD2-SR-EX2

KCD2-UT2-1

KCD2-SOT-EX2

FS-LB-I KFA6-SR2-EX2.W

KFD2-DWB-EX1.D

KFD2-SL2-EX2.B

KFD2-UT2-EX2-1

KCD2-STC-EX1.ES

KFD0-RSH-1.4S.PS2

KFU8-UFC-1.D

KFD2-STC4-EX1.2O

Our company mainly deals in European and American brands and can purchase brands from any European country. For example, our advantageous German brands include: BURKERT, DEMAG, HAWE, REXROTH, HYDAC, PILZ relays, FESTO, IFM sensors, E+H, HEIDENHAIN, P+F sensors, SICK, TURCK, and HIRSCHMANN industrial switches. German brands: Hengstler, Murr, Schmersal, Samson, EPRO (Emerson's subsidiary), MOOG (USA), ASCO (USA), MAC (USA), NUMATICS (USA), PARKER (USA), VICKERS (USA), ROSS (USA), Norgren (UK), OMAL (Italy), ATOS (Italy), CAMOZZI (Italy), UNIVER (Italy), and Camozzi (Italy).

Fast Shipping
Fast shipping for order above $100 by UPS or FedEx
Money Back Guarantee
Within 30 days for an exchange
Flexible Payment
Pay with credit card, PayPal or COD
24/7 Support
Get support at any time