HIMA KFD2-VR4-Ex1.26

HIMA KFD2-VR4-Ex1.26 | 1-Channel Isolated Barrier & Voltage Repeater HIMA

$3,120.00

The HIMA KFD2-VR4-Ex1.26 is a 1-channel isolated barrier and voltage repeater, designed for intrinsic safety applications in hazardous industrial areas. It solves the key problem of safely transmitting voltage signals from vibration sensors or accelerometers in hazardous zones to safe areas, while providing stable voltage/current supply for field devices.
Brand model：HIMA
Product Name: KFD2-VR4-Ex1.26
Warranty: 1 year
Origin:USA
HS code：85389000.00
Inventory: Spot/Futures
Goods condition: Brand new
Delivery time: 3-4days/1month

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Description

HIMA KFD2-VR4-Ex1.26 – 1-Channel Isolated Barrier & Voltage Repeater

Product Overview

The HIMA KFD2-VR4-Ex1.26 is a 1-channel isolated barrier and voltage repeater, designed for intrinsic safety applications in hazardous industrial areas. It solves the key problem of safely transmitting voltage signals from vibration sensors or accelerometers in hazardous zones to safe areas, while providing stable voltage/current supply for field devices. This unit ensures reliable signal transmission with minimal deviation, 适配 high-risk industries like petrochemicals and power, and complies with strict safety standards to prevent electrical hazards in explosive environments.

Technical Specifications — KFD2-VR4-Ex1.26

Parameter Value
Product Model KFD2-VR4-Ex1.26
Manufacturer HIMA
Product Type 1-Channel Isolated Barrier & Voltage Repeater
Power 19-30 V DC (power rail or terminals), Power Dissipation ≤ 1.2 W
Communication / Protocol Analog signal transmission
Operating Temperature -20 °C to +60 °C
Mounting DIN rail mounting
Dimensions (HxWxD) 120mm x 45mm x 100mm
Weight 0.35 kg
Typical Interfaces Removable terminals (input: 4,1,3,5,2,6; output:7-,8+)
Compliance CE, UL 61010-1, IEC/EN 61508 (SIL 2), EN IEC 61326-3-2:2018
HIMA KFD2-VR4-Ex1.26

HIMA KFD2-VR4-Ex1.26

Key Features and Benefits — KFD2-VR4-Ex1.26

  • 1-channel galvanic isolation design, separating field and control sides to enhance system safety and anti-interference capability.
  • Supports vibration sensor inputs, providing 3.6mA, 5.3mA or over 10mA supply current for 2-wire/3-wire field devices.
  • Voltage transmission range of 0V to -20V with low DC transfer error (<10mV) and fast response (time delay ≈7.2µs).
  • Compact and robust structure, suitable for hazardous zones (Zone 0,1,2) and harsh industrial environments.
  • Complies with international safety and EMC standards, ensuring compatibility with HIMA safety systems and other industrial control setups.

Related Models

  • HIMA F 3430: 4-channel safety relay module, ideal for ESD and SIS systems with SIL 3 compliance.
  • HIMA 984323602 F 3236: Wired network interface card, enabling stable data transmission for HIMA safety controllers.
  • HIMA F 7133: Data processing circuit board, compatible with HIMatrix series safety PLCs.
  • HIMA F 8650X 7.0-8: Data transmission circuit board, designed for high-reliability industrial control scenarios.

Installation and Maintenance — KFD2-VR4-Ex1.26

  • Mount the unit on standard DIN rails, ensuring secure fixation and adequate ventilation to avoid overheating.
  • Disconnect all power sources before wiring; connect field-side sensors to input terminals and control-side devices to output terminals as per the wiring diagram.
  • Check terminal connections regularly to ensure tightness, and clean the module with a dry cloth to remove dust.
  • Avoid exceeding the rated power supply range; refer to HIMA’s official documentation for firmware updates or technical troubleshooting.
  • Conduct semi-annual inspections in harsh environments to verify LED status, signal transmission accuracy and insulation performance.

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