Pepperl+Fuchs KCD2-SR-Ex2 (185533)

Overview

The Pepperl+Fuchs KCD2-SR-Ex2 (Part No. 185533) is a high-performance, 2-channel isolated switch amplifier meticulously engineered for seamless integration of NAMUR-type inductive sensors or mechanical contacts situated in challenging hazardous areas. This robust device serves as a critical bridge, safely transferring vital binary signals to control systems located in the safe area. Equipped with reliable relay contact outputs, it ensures precise and dependable switching for a wide array of industrial applications.

Operating efficiently on a 24V DC power supply, the KCD2-SR-Ex2 boasts an impressive SIL 2 (Safety Integrity Level 2) certification, achieved per the stringent requirements of IEC/EN 61508. This certification underscores its suitability for deployment in safety-critical systems, while its versatile design also makes it an excellent choice for general-purpose automation tasks. Its intrinsic safety features make it an ideal solution for connecting proximity sensors and other field devices that demand the highest levels of protection and signal integrity in potentially explosive atmospheres.

Key Features

• Part Number: 185533
• Input Type: Exceptionally compatible with NAMUR sensors or mechanical contacts for Zone 0/1 hazardous environments.
• Output Type: Features two independent SPDT (Single Pole Double Throw) relay contacts, providing flexible switching capabilities.
• Channels: Configured with 2 isolated channels, ensuring signal integrity and preventing cross-talk.
• Power Supply: Operates on a standard 24 V DC supply, conveniently powered via Power Rail or dedicated terminals.
• Mounting: Designed for easy installation on a standard DIN rail, with a compact 12.5 mm housing width for space efficiency.
• Safety Certification: SIL 2 (SC 3) certified according to IEC/EN 61508, affirming its readiness for demanding safety applications.
• Line Fault Detection: Advanced monitoring includes short circuit and open circuit detection, enhancing system reliability.
• Galvanic Isolation: Provides robust 3-way galvanic isolation between input, output, and power, protecting against transient voltages and noise.
• Status LEDs: Integrated input/output indicators offer clear visual diagnostics for quick troubleshooting and operational status checks.

Technical Specifications

• Model: KCD2-SR-Ex2
• Manufacturer: Pepperl+Fuchs
• Part Number: 185533
• Input: Compliant with NAMUR (IEC 60947-5-6) standards for reliable sensor integration.
• Output: 2 x SPDT relay contacts, capable of switching up to 250 V AC / 2 A.
• Supply Voltage: 24 V DC, with a wide operating range of 19.2–30 V.
• Power Consumption: Highly efficient, consuming ≤ 1 W.
• Response Time: Rapid signal processing with a response time of <10 ms.
• Housing Width: Space-saving 12.5 mm design.
• Operating Temperature: Engineered for extreme conditions, from –20 °C to +60 °C.
• Mounting: Standard DIN rail mounting (EN 60715).
• Protection Rating: IP20, providing protection against solid objects.
• Approvals: Extensively approved, including ATEX, IECEx, UL, SIL2, and CE, guaranteeing international compliance.

Applications

• Hazardous Area Signal Transfer: Essential for reliably transmitting signals from NAMUR inductive sensors in hazardous zones to control rooms.
• Intrinsic Safety Circuits: Perfect for creating intrinsically safe connections for field devices in Zone 0/1 environments, ensuring operational integrity and safety.
• Automation Systems: Provides critical input isolation for seamless integration with PLC (Programmable Logic Controller) and DCS (Distributed Control System) architectures.
• SIL-Compliant Installations: A key component for process safety applications that mandate strict adherence to SIL 2 safety requirements, offering enhanced protection and peace of mind.

Why Choose This Model?

The Pepperl+Fuchs KCD2-SR-Ex2 stands out as a superior choice for discerning engineers and system integrators. Its dual-channel operation combined with a remarkably compact DIN rail housing optimizes panel space without compromising performance. With certified SIL 2 capabilities and advanced diagnostic monitoring, this unit instills confidence in the most critical safety applications. It delivers trusted and consistent performance for NAMUR proximity sensors within explosive atmospheres (Ex zones), providing unparalleled reliability. Furthermore, its design facilitates fast integration with Power Rail systems and safe area controls, streamlining installation and reducing deployment times. Invest in the KCD2-SR-Ex2 for a solution that combines safety, efficiency, and robust performance.

Order Now

The Pepperl+Fuchs KCD2-SR-Ex2 (185533) 2-Channel Switch Amplifier is currently in stock and readily available to meet your project demands. We offer comprehensive global shipping options to ensure this essential component reaches you efficiently, wherever you are. Secure your critical industrial operations with this high-quality, SIL2-certified solution today.