Pepperl+Fuchs KFD2-SR2-EX1.W

Pepperl+Fuchs KFD2-SR2-EX1.W | Signal Isolator Relay, 1-Channel, SIL2, Intrinsically Safe

Overview:

The Pepperl+Fuchs KFD2-SR2-EX1.W (Part No. 132958) is a 1-channel isolated signal relay designed for safe control signal transmission from hazardous (Ex) areas to safe zones. It offers intrinsically safe input, fail-safe relay output, and is certified for SIL2 functional safety applications. Ideal for interfacing field devices such as switches and proximity sensors in explosion-prone environments.

Key Features:

• Function: Signal isolator relay with contact output

• Channels: 1 input / 1 relay output

• Input Type: Namur sensor or mechanical contact

• Output Type: SPDT relay contact

• Power Supply: 20–30 VDC (via Power Rail or terminals)

• Relay Rating: 250 V AC / 2 A

• Mounting Type: DIN rail (35 mm)

• LED Indicators: Status and fault display

• Housing Width: 12.5 mm (space-saving design)

• SIL Certification: SIL2 (per IEC 61508)

• Approvals: ATEX, IECEx, CSA, UL

Technical Specifications:

• Model Number: KFD2-SR2-EX1.W

• Part Number: 132958

• Input Signal: NAMUR sensor (IEC 60947-5-6) or dry contact

• Output Contact: 1 changeover (SPDT) relay

• Switching Voltage (max): 253 V AC / 125 V DC

• Switching Current (max): 2 A

• Operating Temperature: -20°C to +60°C

• Power Consumption: ≤ 1.5 W

• Isolation: 3-way isolation (input/output/power)

• Dimensions (W x H x D): 12.5 x 119 x 114.5 mm

• Weight: Approx. 120 g

Applications:

• Process Automation: Signal transmission from hazardous zones

• Oil & Gas Industry: Safe interfacing for field switches and sensors

• Chemical Plants: Explosion-proof signal relay operation

• Pharmaceutical Manufacturing: Intrinsically safe control circuits

• Safety-Critical Systems: Compliant with SIL2 requirements

Why Choose the KFD2-SR2-EX1.W?

✅ SIL2 certified for functional safety applications
✅ Supports NAMUR and mechanical contacts
✅ Compact DIN rail design saves panel space
✅ Intrinsically safe input for hazardous area use
✅ Reliable relay output with LED status monitoring

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In stock and ships worldwide. 

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