Pepperl+Fuchs KCD2-STC-Ex1 Transmitter Power Supply

Pepperl+Fuchs KCD2-STC-Ex1 SMART Transmitter Power Supply

The Pepperl+Fuchs KCD2-STC-Ex1 is a transmitter power supply for field instruments. This SMART device provides power to 2-wire transmitters in hazardous areas. It ensures reliable operation for analog measurement devices. The Pepperl+Fuchs KCD2-STC-Ex1 offers intrinsic safety for process control applications.

Product Identification

• Manufacturer: Pepperl+Fuchs
• Product Number: KCD2-STC-Ex1
• Product Type: SMART Transmitter Power Supply
• Signal Type: Analog Input for field transmitters
• Connection Side: Field side installation
• Protection Rating: IP20 enclosure

Power Specifications

• Power Consumption: 1.1 Watt maximum
• Power Connection: Power Rail or terminals 9+, 10-
• Switching Frequency: < 10 Hz operation
• Circuit Protection: Intrinsic safety design
• Power Delivery: For 2-wire transmitters

Connection Details

• Field Terminals: 1+, 2+, 3- for transmitter wiring
• Connection Type: Screw terminal connections
• Wiring: Supports standard field wiring
• Installation: DIN rail mounting standard
• Interface: Compatible with Power Rail system

Physical Specifications

• Dimensions: 1.2 x 11.4 x 12.4 cm (W x H x D)
• Weight: 0.15 kg (150 grams) net weight
• Shipping Weight: 1.5 kg packaged weight
• Enclosure: Compact industrial housing
• Mounting: Standard 35mm DIN rail

Functional Characteristics

• Transmitter Power: Supplies 2-wire field devices
• Signal Conditioning: Analog input processing
• Safety Design: Intrinsically safe for Ex areas
• Monitoring: Transmitter status indication
• Compatibility: Works with SMART transmitters

Environmental Ratings

• Protection Class: IP20 for indoor use
• Temperature Range: Standard industrial rating
• Hazardous Areas: ATEX/IECEx certified
• EMC Compliance: Industrial electromagnetic standards
• Vibration: Suitable for industrial environments

Installation Guidelines

• Mount on 35mm DIN rail in control cabinet
• Connect power via Power Rail or terminal blocks
• Wire field transmitter to terminals 1+, 2+, 3-
• Follow intrinsic safety wiring requirements
• Verify proper grounding and barrier installation
• Check transmitter compatibility before connection

Certifications & Safety

• Intrinsic Safety: Ex ia certification for Zone 0/1
• ATEX: European hazardous area compliance
• IECEx: International explosive atmosphere standards
• Quality Standards: Pepperl+Fuchs manufacturing quality
• EMC: Electromagnetic compatibility compliance

System Integration

• Control Systems: Compatible with DCS and PLC systems
• Transmitters: Supports SMART/HART field devices
• Power Systems: Integrates with Power Rail distribution
• Safety Systems: Suitable for SIL-rated applications
• Networking: Process instrument network compatibility

Frequently Asked Questions (FAQ)

What type of transmitters does this power supply support?

The Pepperl+Fuchs KCD2-STC-Ex1 powers 2-wire SMART and HART transmitters with analog signals.

Can I use this in Zone 0 hazardous areas?

Yes, with proper installation it is certified for Zone 0/1 hazardous locations.

What is the Power Rail connection option?

Power Rail allows daisy-chain power connection without individual wiring to each device.

How many transmitters can one unit power?

Typically one transmitter per unit, depending on the transmitter's power requirements.

What wiring configuration do terminals 1+, 2+, 3- support?

These terminals accommodate standard 2-wire transmitter connections with signal and power.

Is special training required for installation?

Installation should be performed by qualified personnel familiar with intrinsic safety requirements.

For technical support or to order the KCD2-STC-Ex1, contact sale@etowonauto.com.

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