Pepperl+Fuchs KFD0-RO-2 Relay Module
The KFD0-RO-2 Relay Module is a 2-channel signal conditioner designed to provide galvanic isolation between field and control circuits. Built for hazardous-area environments, it ensures safe, reliable switching in demanding industrial applications such as oil & gas, mining, and chemical plants.
With support for up to SIL 3 safety integrity according to IEC/EN 61508, this module enhances functional safety while delivering fast response times, non-polarized logic inputs, and durable relay contact outputs. Compact and DIN rail mountable, it’s engineered for long service life and dependable field performance.
Key Features:
✅ ATEX/IECEx compliant, up to SIL 3 (IEC/EN 61508)
✅ 24 V DC supply (loop powered)
✅ IP20 housing with reinforced galvanic isolation
✅ Relay outputs rated 230 V AC / 4 A or 30 V DC / 4 A
✅ Fast response: 10 ms energize / 5 ms de-energize
✅ High mechanical endurance (5 million switching cycles)
✅ LED indicators for relay output status
✅ DIN rail mounting (35 mm EN 60715)
✅ Compact housing: 20 x 119 x 115 mm, approx. 100 g
📦 Package Options:
🔹 Single Module: KFD0-RO-2 Relay Module
Pepperl+Fuchs KFD0-RO-2 Relay Module Technical Specifications:
| Feature | Details |
|---|---|
| Model | Pepperl+Fuchs KFD0-RO-2 |
| Type | 2-Channel Relay Module (Signal Conditioner) |
| Supply Voltage | 15–30 V DC (loop powered) |
| Power Dissipation | 0.8 W |
| Input Voltage | 15–30 V DC (non-polarized) |
| Input Current | ≤ 21 mA per channel |
| Output Rating | 230 V AC / 4 A, 30 V DC / 4 A |
| Switching Delay | 10 ms (energize), 5 ms (de-energize) |
| Switching Frequency | < 10 Hz |
| Electrical Life | 100,000 cycles at max load |
| Mechanical Life | 5 million cycles |
| Isolation | Reinforced, 300 Veff |
| Temperature Range | -20 … +65 °C |
| Protection | IP20 |
| Mounting | 35 mm DIN rail (EN 60715) |
| Dimensions | 20 x 119 x 115 mm (W x H x D) |
| Weight | ~100 g |
Certifications & Compliance:
🔗 EU-Declaration of conformity – safety compliance
🔗 EN 61010-1 – Low voltage directive
🔗 EN 61326-1 – Electromagnetic compatibility for industrial locations
🔗 IP20 – Protection against solid objects (IEC 60529)
🔗 Download Datasheet
Applications of KFD0-RO-2 Relay Module:
🔹 Oil & Gas
🔹 Chemical Plants
🔹 Mining
🔹 Labs
🔹 Manufacturing
What’s in the Box?
📦 1x Pepperl+Fuchs KFD0-RO-2 Relay Module
📦 1x Removable Terminal Block
📦 1x Documentation Kit
Ordering & Shipping Details
📦 Lead Time: 7-8 weeks
📍 Shipping Terms: Worldwide / Expedited Options
💳 Payment Options: Credit Card, PayPal, Net 30 Terms
FAQs:
Is the KFD0-RO-2 suitable for SIL-rated applications?
Yes, it supports up to SIL 3 functional safety compliance.
Can it be used in hazardous-area environments?
Yes, it is designed for hazardous-area isolation and certified for industrial use.
What is the maximum switching capacity?
230 V AC / 4 A or 30 V DC / 4 A resistive load.
How is it mounted?
It mounts easily on a 35 mm DIN rail (EN 60715).





























