SC Automation Limited
                                                                                                           
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P+F KFA6-DWB-Ex1.D Rotation Speed Monitor - 230V AC, 18mA, SIL 2 Safety Certified for Hazardous Areas

Price Negotiable
Price: negotiable
MOQ: 1 piece
Delivery Time: on request
Brand: P+F
Product Description
Rotation Speed Monitor KFA6-DWB-Ex1.D
1-channel isolated safety barrier for rotation speed monitoring in hazardous areas. Features 230V AC power supply, dry contact or NAMUR sensor inputs, and dual relay outputs with SIL 2 safety certification.
Key Features
  • 1-channel isolated barrier with 230V AC ±10% supply
  • Input frequency range: 0.001 Hz to 5000 Hz
  • 2 relay contact outputs with 253V AC / 2A capacity
  • Configurable via keypad with LED display
  • Start-up override: 1-1000 seconds adjustable
  • Line fault detection for sensor monitoring
  • SIL 2 certified per IEC/EN 61508 / IEC/EN 61511
  • Compact 40mm width housing for DIN rail mounting
Technical Specifications
Power Supply
ParameterSpecification
Rated Voltage230 V AC ± 10%
Rated Current18 mA
Power Consumption≤ 2 VA
Input Characteristics
ParameterSpecification
Input Frequency Range0.001 - 5000 Hz
Measurement Accuracy0.1% of measured value
Response Delay≤ 200 ms
Line Fault DetectionBreakage ≤ 0.15 mA; Short-circuit > 6.5 mA
Output Characteristics
ParameterSpecification
Contact Loading253 V AC / 2 A / cos φ ≥ 0.7
Mechanical Life5 × 10⁷ switching cycles
Relay DelayApprox. 20 ms energize/de-energize
Environmental & Mechanical
ParameterSpecification
Ambient Temperature-20 to 60 °C (-4 to 140 °F)
Dimensions (W×H×D)40 × 119 × 115 mm
Degree of ProtectionIP20
Weight300 g
Hazardous Area Certifications
ATEX, IECEx, FM, and UL approvals for use in explosive atmospheres:
  • 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
  • FM Approval: 16-538FM-12
  • UL Approval: E223772
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    P+F KFA6-DWB-Ex1.D Rotation Speed Monitor product image P+F KFA6-DWB-Ex1.D technical specifications diagram P+F KFA6-DWB-Ex1.D installation and wiring diagram

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    Company SC Automation Limited
    Location Unit 1406B 14/F,The Belgian Bank Building, Nos. 721-725 Nathan Road, Mongkok, Kowloon,Hong kong.
    Contact Person Joy chen

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