Pepperl+Fuchs KFD2-VR2-Ex1.50M | 1-Channel Voltage Repeater | Part No. 181951

Pepperl+Fuchs KFD2-VR2-Ex1.50M | Reliable Voltage Repeater for Intrinsic Safety Applications

Overview

The KFD2-VR2-Ex1.50M is a 1-channel isolated barrier from Pepperl+Fuchs, designed to transfer low voltage signals from field devices in hazardous areas to control systems in safe areas. It is suitable for applications involving load cells, strain gauges, operational amplifiers, and inductive oscillation sensors. The device offers galvanic isolation between input, output, and power supply, ensuring signal integrity and safety.

Key Features

• Signal Type: Analog input

• Input Voltage Range: ±50 mV

• Output Voltage Range: ±50 mV

• Input Resistance: ≥20 MΩ

• Output Resistance: ≤3 Ω

• Supply Voltage: 19–30 V DC

• Power Consumption: ≤0.3 W

• Cut-off Frequency: 350 Hz (-3 dB)

• Rise Time: ≤1 ms

• Line Fault Detection: 100 nA

• Sensor Breakage Detection: Selectable upscale or downscale via DIP switch

• Galvanic Isolation: Between input, output, and power supply

• Mounting: 35 mm DIN rail (EN 60715)

• Dimensions (W×H×D): 20 × 119 × 115 mm

• Protection Class: IP20

• Ambient Temperature: -40 °C to +60 °C

• Weight: Approx. 125 g

• Part Number: 181951

Technical Specifications

• Input Terminals: 4+, 5-

• Output Terminals: 7+, 8-

• Power Supply Terminals: 14+, 15-

• Offset Voltage/Current: ≤5 µV / ≤5 nA

• Temperature Influence: ±1 µV/K (typical ±0.25 µV/K)

• Accuracy: ±3 µV up to ±10 mV / ±0.03% of span up to +50 mV / ±0.05% of span up to -50 mV

• Indicators: Green LED for power status

• Configuration: DIP switches

Approvals and Certifications

• ATEX: II (1)G [Ex ia Ga] IIC, II (1)D [Ex ia Da] IIIC, I (M1) [Ex ia Ma] I

• IECEx: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I

• UL: cULus Listed

• CE: EN 61326-1:2013

• UKCA Certified

Applications

• Process Automation

• Chemical and Petrochemical

• Oil and Gas

• Pharmaceutical

• Water and Wastewater Treatment

Why Choose Pepperl+Fuchs KFD2-VR2-Ex1.50M?

• Intrinsically safe for hazardous areas

• High accuracy and fast response time

• Galvanic isolation ensures system protection

• Compact and easy to install

• DIP switch configuration for flexibility

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply