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Pepperl+Fuchs KCD2-SR-Ex2 (185533)
by Pepperl+Fuchs
Read verified buyer reviews ↓OverviewThe Pepperl+Fuchs KCD2-SR-Ex2 (Part No. 185533) is a sophisticated 2-channel isolated switch amplifier expertly designed to facilitate the secure transfer of binary signals from NAMUR-type inductive sensors or mechanical contacts located in hazardous environments. This device acts as a crucial interface, ensuring the safe delivery of essential signals to control systems in the safe area. Featuring robust relay contact outputs, it guarantees precise and consistent switching across various industrial applications. Operating on a 24V DC power supply, the KCD2-SR-Ex2 holds an impressive SIL 2 (Safety Integrity Level 2) certification, complying with IEC/EN 61508 standards. This certification highlights its suitability for critical safety systems, while its adaptable design also makes it an excellent option for general automation tasks. Its inherent safety features make it an ideal choice for connecting proximity sensors and other field devices requiring superior protection and signal integrity in potentially explosive atmospheres.Key Features Part Number: 185533 Input Versatility: Compatible with NAMUR sensors or mechanical contacts for Zone 0/1 hazardous locations. Output Configuration: Equipped with two independent SPDT (Single Pole Double Throw) relay contacts for flexible switching. Channel Design: Features two isolated channels to maintain signal integrity and prevent interference. Power Requirements: Operates on a standard 24 V DC supply, powered conventionally via Power Rail or dedicated terminals. Installation: Engineered for straightforward installation on standard DIN rails, with a narrow 12.5 mm housing width for efficient space utilization. Safety Compliance: SIL 2 (SC 3) certified according to IEC/EN 61508, confirming its readiness for demanding safety applications. Line Monitoring: Includes advanced short circuit and open circuit detection for enhanced system dependability. Electrical Isolation: Provides strong 3-way galvanic isolation among input, output, and power, safeguarding against voltage transients and noise. Diagnostic Indicators: Integrated input/output status LEDs offer clear visual feedback for rapid troubleshooting and operational status checks. Technical Specifications Model Designation: KCD2-SR-Ex2 Manufacturer: Pepperl+Fuchs Unique Identifier: 185533 Input Type: Complies with NAMUR (IEC 60947-5-6) benchmarks for dependable sensor integration. Output Specifications: Two SPDT relay contacts, capable of switching up to 250 V AC / 2 A. Power Input: 24 V DC, with a broad operational range of 19.2–30 V. Energy Efficiency: Highly efficient, consuming less than 1 W. Response Speed: Fast signal processing with a response time under 10 ms. Dimensions: Space-saving 12.5 mm housing width. Operating Conditions: Designed for harsh environments, from –20 °C to +60 °C. Mounting Method: Standard DIN rail mounting (EN 60715). Protection Class: IP20, offering protection against solid foreign objects. Certifications: Extensively approved, including ATEX, IECEx, UL, SIL2, and CE, ensuring global compliance. Applications Hazardous Area Signal Control: Essential for reliably transferring signals from NAMUR inductive sensors in dangerous zones to control centers. Intrinsic Safety Systems: Ideal for establishing intrinsically safe connections for field devices in Zone 0/1 environments, ensuring operational consistency and safety. Automation Integration: Provides crucial input isolation for smooth integration with PLC (Programmable Logic Controller) and DCS (Distributed Control System) architectures. Safety Instrument Systems: A fundamental element for process safety applications that require strict adherence to SIL 2 safety protocols, offering enhanced security 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 functionality combined with a remarkably compact DIN rail housing optimizes panel space without compromising performance. With its SIL 2 certification and robust design, this switch amplifier guarantees reliable operation and enhanced safety in critical industrial settings.Order NowEnhance the safety and efficiency of your industrial systems with the Pepperl+Fuchs KCD2-SR-Ex2 isolated switch amplifier. Contact us today to place your order or request further information.FAQQ: What kind of sensors are compatible with the KCD2-SR-Ex2?A: The KCD2-SR-Ex2 is designed for compatibility with NAMUR-type inductive sensors and mechanical contacts.Q: What is the significance of SIL 2 certification?A: SIL 2 (Safety Integrity Level 2) certification indicates that the device meets stringent international safety standards, making it suitable for use in safety-critical applications where reliable performance is paramount to prevent hazards.Q: Can this device be used in explosive atmospheres?A: Yes, it is specifically engineered for use in Zone 0/1 hazardous environments and features intrinsic safety to protect against explosions.
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Pepperl+Fuchs KCD2-SR-Ex2 (185533)
Overview
This is a genuine Pepperl+Fuchs component from the Isolators & Barriers family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Pepperl+Fuchs catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Pepperl+Fuchs automation ecosystem
- Engineered to integrate inside Isolators & Barriers installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Pepperl+Fuchs equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Pepperl+Fuchs catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Pepperl+Fuchs platform with documented conversion notes for the Isolators & Barriers family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model Designation: KCD2-SR-Ex2
- Manufacturer: Pepperl+Fuchs
- Unique Identifier: 185533
- Input Type: Complies with NAMUR (IEC 60947-5-6) benchmarks for dependable sensor integration.
- Output Specifications: Two SPDT relay contacts, capable of switching up to 250 V AC / 2 A.
- Power Input: 24 V DC, with a broad operational range of 19.2–30 V.
- Energy Efficiency: Highly efficient, consuming less than 1 W.
- Response Speed: Fast signal processing with a response time under 10 ms.
- Dimensions: Space-saving 12.5 mm housing width.
- Operating Conditions: Designed for harsh environments, from –20 °C to +60 °C.
- Mounting Method: Standard DIN rail mounting (EN 60715).
- Protection Class: IP20, offering protection against solid foreign objects.
- Certifications: Extensively approved, including ATEX, IECEx, UL, SIL2, and CE, ensuring global compliance.
Applications
- Hazardous Area Signal Control: Essential for reliably transferring signals from NAMUR inductive sensors in dangerous zones to control centers.
- Intrinsic Safety Systems: Ideal for establishing intrinsically safe connections for field devices in Zone 0/1 environments, ensuring operational consistency and safety.
- Automation Integration: Provides crucial input isolation for smooth integration with PLC (Programmable Logic Controller) and DCS (Distributed Control System) architectures.
- Safety Instrument Systems: A fundamental element for process safety applications that require strict adherence to SIL 2 safety protocols, offering enhanced security and peace of mind.
Why Choose the KCD2-SR-Ex2?
The Pepperl+Fuchs KCD2-SR-Ex2 stands out as a superior choice for discerning engineers and system integrators. Its dual-channel functionality combined with a remarkably compact DIN rail housing optimizes panel space without compromising performance. With its SIL 2 certification and robust design, this switch amplifier guarantees reliable operation and enhanced safety in critical industrial settings.
Availability & Shipping
- ▸In stock: KCD2-SR-Ex2 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every KCD2-SR-Ex2 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Pepperl+Fuchs
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New, surplus, and refurbished Pepperl+Fuchs inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.