Phoenix Contact 2264093 Terminal Block Marker Card Holder – CLIPLINE Complete

Phoenix Contact 2264093 – Plug-In Marker Card Holder for CLIPLINE Complete Terminal Block Arrays

In high-density control cabinet installations, terminal identification is not a cosmetic concern — it is a functional requirement that directly affects commissioning speed, fault isolation time, and long-term maintainability. The Phoenix Contact 2264093 is a plug-in card holder engineered specifically for the CLIPLINE complete terminal block system, providing a mechanically positive, vibration-resistant mounting point for identification marker cards at every wiring position. Its role in the control loop is straightforward but non-negotiable: it anchors the documentation layer to the physical hardware layer, ensuring that every conductor termination point carries a permanent, legible, and standardized identifier throughout the operational life of the installation.

The 2264093 is not a passive accessory. In large-scale automation architectures — where a single control cabinet may contain 300 to 800 terminal positions across multiple DIN rail rows — the absence of a reliable marker retention system introduces measurable risk. Marker cards that shift, fall, or become illegible under thermal cycling or mechanical vibration force technicians to rely on wiring diagrams alone during fault diagnosis, extending mean time to repair (MTTR) and increasing the probability of miswiring during maintenance. The 2264093 eliminates this failure mode by providing a snap-in, tool-free mounting interface that holds marker cards in a fixed, front-facing orientation regardless of the environmental conditions present in the enclosure.

Within the Phoenix Contact CLIPLINE complete ecosystem — a modular terminal block platform deployed across discrete manufacturing, process automation, power distribution, and infrastructure control applications globally — the 2264093 occupies the accessory tier that bridges hardware and documentation. It is dimensionally matched to the terminal block pitch and profile of the CLIPLINE complete series, ensuring zero-clearance fit without field modification. This dimensional precision is critical in high-density installations where even a 0.5 mm misalignment across a 500-terminal array creates cumulative interference that prevents proper DIN rail assembly.

From a system architecture perspective, the 2264093 supports IEC 60204-1 compliance requirements for machine wiring identification, as well as the documentation traceability demands of IEC 61439 for low-voltage switchgear and controlgear assemblies. Panel builders working to these standards require a marker retention solution that can be specified, procured, and installed consistently across production runs — the 2264093 delivers exactly this level of repeatability.

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Technical Parameters

Hardware Logical Analysis

The 2264093 employs a dual-latch snap-in retention geometry that engages with the marker card slot profile machined into the CLIPLINE complete terminal block body. Unlike adhesive-backed label holders or friction-fit sleeves, the snap-in mechanism generates a positive mechanical lock that requires deliberate lateral force to release — this is intentional. In environments subject to continuous vibration (IEC 60068-2-6 Class 2 and above), friction-based retention systems exhibit progressive loosening due to micro-displacement accumulation. The 2264093’s latch geometry prevents this by converting vibration energy into compressive force on the latch engagement surface rather than allowing relative motion between the card holder and the terminal block body.

The transparent thermoplastic housing is not simply a material choice for aesthetics. Transparency serves a functional purpose: it allows the marker card’s printed or laser-engraved text and color-coding to be read without removing the card holder, and it permits visual inspection of the card’s condition (fading, contamination, physical damage) during routine maintenance walks without any disassembly. The material selected — a polyamide-based engineering thermoplastic — provides a glass transition temperature well above the maximum continuous operating temperature of the terminal block itself, ensuring the card holder does not deform or lose its retention force under sustained thermal load.

The plug-in interface geometry is designed with a controlled insertion force profile: low enough to allow tool-free hand installation during panel assembly, but high enough to prevent accidental dislodgement during cable pulling, vibration, or thermal expansion of adjacent components. This force profile is achieved through the taper angle of the latch engagement ramp and the cross-sectional moment of inertia of the latch arm — parameters that Phoenix Contact has optimized across multiple generations of the CLIPLINE complete accessory range.

From an EMC perspective, the non-conductive thermoplastic construction ensures the card holder introduces no parasitic conductive path between adjacent terminal positions, which is relevant in high-density signal terminal arrays where inter-terminal capacitive coupling must be minimized. The card holder sits entirely within the mechanical envelope of the terminal block, adding no lateral protrusion that could reduce the required air clearance between adjacent terminals.

System Integration Benefits

• Zero-Tool Installation: Snap-in mounting eliminates the need for adhesives, screws, or specialized tools during panel assembly, reducing per-terminal installation time and eliminating the risk of tool-related damage to adjacent wiring.
• Deterministic Marker Retention: Positive mechanical latch prevents marker card displacement under IEC 60068-2-6 vibration conditions, maintaining identification integrity throughout the panel’s service life without periodic re-inspection.
• IEC 60204-1 Documentation Compliance: Provides the physical infrastructure required to implement machine wiring identification schemes mandated by IEC 60204-1, supporting CE marking and third-party safety audits.
• Scalable Across High-Density Arrays: Dimensional consistency across the CLIPLINE complete series allows the 2264093 to be specified as a single line item for entire terminal block arrays of 100 to 1,000+ positions, simplifying BOM management and procurement.
• Reduced MTTR During Fault Diagnosis: Permanently retained, front-facing marker cards allow technicians to identify terminal positions without consulting wiring diagrams, reducing fault isolation time in unplanned maintenance scenarios.
• Thermal Stability Across Operating Range: PA thermoplastic housing maintains dimensional stability and latch retention force from -50 °C to +120 °C, covering the full operating envelope of the terminal blocks it serves.
• Chemical Resistance for Process Environments: Resistance to hydraulic oils, industrial cleaning agents, and dilute chemical exposure ensures the card holder remains functional in process industry control cabinets where chemical contamination is a routine environmental factor.
• Non-Conductive Construction for Signal Integrity: Fully insulating thermoplastic body introduces no parasitic conductive path between adjacent terminals, preserving inter-terminal isolation resistance in high-density signal wiring applications.
• Transparent Housing for Non-Invasive Inspection: Marker card condition and legibility can be assessed during routine maintenance walks without removing the card holder, reducing inspection time and eliminating the risk of accidental card loss during inspection.
• Ecosystem Compatibility: Dimensionally matched to Phoenix Contact CLIPLINE complete terminal blocks, end brackets, and DIN rail accessories, ensuring zero-clearance fit and eliminating field modification across the full accessory range.

Quality Assurance & Global Logistics

Every Phoenix Contact 2264093 unit supplied through siemensplc.com is sourced through verified supply channels and carries full batch traceability. Phoenix Contact’s manufacturing operations in Germany maintain ISO 9001 certification and apply statistical process control across all terminal accessory production lines. The 2264093 is produced to dimensional tolerances that ensure consistent snap-in engagement force across production batches — a critical parameter for panel builders running high-volume, repeatable assembly operations.

Prior to dispatch from our Xiamen, China facility, each order undergoes visual inspection for housing integrity, latch geometry, and packaging condition. Batch documentation — including lot number, production date, and country of origin — is retained and available upon request for quality-critical or regulated project applications. Export packaging is selected to withstand international air and sea freight handling conditions, with anti-static and moisture-barrier packaging applied where required by the destination environment.

Logistics from Xiamen covers all major global destinations. DHL Express and FedEx International Priority services deliver to Europe, North America, Southeast Asia, the Middle East, and Australia within 3 to 7 business days under normal customs clearance conditions. Full export documentation — commercial invoice, packing list, certificate of origin, and MSDS where applicable — is provided with every international shipment. For time-critical project requirements, same-day dispatch is available for in-stock items ordered before 14:00 CST.

A 12-month warranty from the date of shipment covers manufacturing defects in materials and workmanship. Warranty claims are processed with replacement dispatch within 2 business days of defect confirmation, minimizing project impact for customers with active installation schedules.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
Location: Xiamen, China
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