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This loop-powered module provides a reliable interface for controlling low-power hazardous area devices from the safe area. It is a compact, single-channel unit that supports IIC gas groups and operates with an input voltage range of 20-35V dc. The MTL4521L is an intrinsically safe solution suitable for solenoid and alarm applications requiring functional safety compliance.

This isolated repeater power supply from MTL Instruments energizes 2 or 3-wire transmitters located in hazardous areas. It accurately repeats the 4/20mA signal to a safe-area load. The MTL5541 supports HART communication and is SIL capable for functional safety applications.

This Pepperl+Fuchs Z787.H Zener Barrier safely limits energy transfer from safe to hazardous areas. Its positive polarity, diode return, and high-power design provide reliable signal isolation for 2-channel applications in explosive environments.

This Pepperl+Fuchs power supply delivers a regulated 24 V DC output at 500 mA. Its wide input range and electronic short-circuit protection make it a reliable energy source for various field devices and control systems.

The Pepperl+Fuchs KFD2-SCD-EX1.LK is a 1-channel SMART current driver designed for analog output applications. It converts a control side input signal into a 4-20 mA current loop for field devices. This isolated barrier drives loads up to 700 Ω, making it ideal for I/P converters, valves, and positioners. Its Ex-Input certification ensures safe operation in hazardous areas.

The Pepperl+Fuchs KFD2-UT2-Ex2 is a 2-channel isolated temperature converter designed for dual-sensor applications. It accepts TC, RTD, and potentiometer inputs, delivering two independent 4-20 mA outputs. This SIL2-rated device features line fault detection, sensor burnout monitoring, and signal splitter capability. Configure it easily via PACTware software for versatile process control.

The Pepperl+Fuchs KFD2-UT2-Ex1 is a 1-channel isolated temperature converter that accepts TC, RTD, and potentiometer inputs. It provides a 4-20 mA output in sink or source mode. This SIL2-rated device offers line fault detection and is configured via PACTware. Its Ex-Input design makes it suitable for hazardous area signal conditioning.

The Pepperl+Fuchs KFD2-SR2-Ex2.W is a 2-channel isolated switch amplifier designed for intrinsic safety applications. It transfers digital signals from NAMUR sensors or dry contacts in hazardous areas to relay contact outputs in the safe area. With line fault detection (LFD), reversible operation mode, and SIL 2 certification, this device offers reliable and safe switching for dual-channel control loops.

The Pepperl+Fuchs KFD2-SR2-Ex1.W is a 1-channel isolated switch amplifier designed for intrinsic safety applications. It converts dry contact or NAMUR input signals from hazardous areas into a relay contact output. With line fault detection (LFD) and reversible mode of operation, this unit offers reliable switching for critical process control loops.

The Pepperl+Fuchs KFD2-STC4-Ex1.2O is a versatile 1-channel isolated barrier designed for intrinsic safety applications. It supplies 2-wire and 3-wire SMART transmitters in hazardous areas while providing a dual output for flexible integration. This unit supports HART, BRAIN, and Foxboro protocols, making it a robust solution for signal splitting and isolation.

The MTL5040 powers one conventional 2-wire 4/20mA transmitter in a hazardous area and repeats its current to a safe-area load. Additionally, it passes a 4/20mA or 0/20mA signal from a safe-area controller to a hazardous-area load. Two channels work independently.

The MTL5044 supplies floating DC power for two conventional 2-wire 4/20mA transmitters in hazardous areas. It also repeats the current through two floating circuits to drive safe-area loads. This unit supports Zone 0, IIC, T4–6 and Div. 1, Group A locations.