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LCAX250-56H-X Equivalent & Substitute Parts
Part Overview
The LCAX250-56H-X is a rectangular tongue terminal connector manufactured by Panduit Corp, designed for 250MCM (kcmil) wire gauge applications with a 5/16 stud connection. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain supply chain continuity for new installations and maintenance applications. The terminal features a non-insulated design with electro-tin contact finish and copper base material, suitable for high-amperage electrical connections in industrial and utility applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Wire Gauge | 250MCM (kcmil) |
| Stud/Tab Size | 5/16 Stud |
| Terminal Type | Rectangular Tongue |
| Termination Method | Crimp, Barrel |
| Insulation | Non-Insulated |
| Contact Material | Copper |
| Contact Finish | Electro-Tin |
| Barrel ID | 0.700" (17.78mm) |
| Barrel OD | 0.880" (22.35mm) |
| Ring ID | 0.340" (8.64mm) |
| Tab Thickness | 0.170" (4.32mm) |
| Width - Outer Edges | 1.280" (32.51mm) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the LCAX250-56H-X is determined by strict equivalence across the following critical parameters:
Wire Gauge Compatibility: The substitute part must accommodate 250MCM (kcmil) conductor cross-section to ensure proper current-carrying capacity and mechanical fit within the barrel crimp area.
Stud/Tab Size Equivalence: The 5/16 stud dimension is a fixed mechanical interface requirement. Substitute parts must maintain this exact stud diameter to ensure compatibility with mating hardware and connection points.
Terminal Type and Geometry: Rectangular tongue configuration with specified barrel dimensions (0.700" ID, 0.880" OD) and ring ID of 0.340" must be maintained for proper mechanical engagement and electrical contact.
Termination Method: Crimp and barrel termination methodology must remain consistent to ensure compatibility with existing crimping equipment and installation procedures.
Material and Finish Specifications: Copper base material with electro-tin contact finish ensures electrical conductivity and corrosion resistance equivalent to the original component.
Regulatory Compliance: ROHS3 compliance and REACH unaffected status must be maintained for applications subject to environmental regulations.
The LCAX250-56-X qualifies as a direct substitute based on identical alignment across all critical parameters, with the primary distinction being product status (active versus obsolete) and packaging configuration.
Parameter Comparison
| Parameter | LCAX250-56H-X (Main Part) | LCAX250-56-X (Substitute) |
|---|---|---|
| Manufacturer | Panduit Corp | Panduit Corp |
| Series | Pan-Lug™ | Pan-Lug™ |
| Product Status | Obsolete | Active |
| Wire Gauge | 250MCM (kcmil) | 250MCM (kcmil) |
| Stud/Tab Size | 5/16 Stud | 5/16 Stud |
| Terminal Type | Rectangular Tongue | Rectangular Tongue |
| Terminal Style | Single Stud Hole | Single Stud Hole |
| Tab Thickness | 0.170" (4.32mm) | 0.170" (4.32mm) |
| Width - Outer Edges | 1.280" (32.51mm) | 1.280" (32.51mm) |
| Termination | Crimp, Barrel | Crimp, Barrel |
| Insulation | Non-Insulated | Non-Insulated |
| Color | Yellow | Yellow |
| Contact Finish | Electro-Tin | Electro-Tin |
| Contact Material | Copper | Copper |
| Barrel ID | 0.700" (17.78mm) | 0.700" (17.78mm) |
| Barrel OD | 0.880" (22.35mm) | 0.880" (22.35mm) |
| Ring ID | 0.340" (8.64mm) | 0.340" (8.64mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.90.4000 | 8536.90.4000 |
Engineering Selection Recommendations
The LCAX250-56-X is the direct equivalent for the obsolete LCAX250-56H-X. Selection of the active substitute part is based on the following engineering criteria:
Product Status Alignment: The LCAX250-56-X maintains active product status within the Panduit Pan-Lug™ series, ensuring continued availability, technical support, and supply chain reliability for new installations and replacement applications.
Regulatory Compliance Continuity: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements for industrial electrical applications across multiple jurisdictions.
Electrical and Mechanical Equivalence: Identical specifications across wire gauge (250MCM), stud size (5/16), barrel dimensions, contact material (copper), and contact finish (electro-tin) ensure direct functional interchangeability without modification to existing installation infrastructure or crimping procedures.
Packaging Consideration: The substitute part is supplied in bulk packaging, which may require adjustment to procurement and inventory management procedures compared to the original packaging configuration. This distinction does not affect electrical or mechanical performance.
Frequently Asked Questions (FAQ)
Q: Can the LCAX250-56-X be used as a direct replacement for the LCAX250-56H-X in existing installations?
A: Yes. The LCAX250-56-X is electrically and mechanically equivalent to the LCAX250-56H-X across all critical parameters including wire gauge, stud size, barrel dimensions, contact material, and termination method. Direct substitution is supported without modification to connection points or crimping equipment.
Q: What is the primary difference between these two part numbers?
A: The LCAX250-56H-X is classified as obsolete, while the LCAX250-56-X maintains active product status. The substitute part is supplied in bulk packaging rather than the original packaging configuration. All electrical and mechanical specifications remain identical.
Q: Are there any compliance differences between the main part and the substitute?
A: No. Both parts maintain ROHS3 compliance, REACH unaffected status, and identical ECCN and HTSUS classifications. Regulatory compliance is equivalent across both components.
Q: What wire gauge does this terminal accommodate?
A: Both the LCAX250-56H-X and LCAX250-56-X are designed for 250MCM (kcmil) wire gauge applications. This specification is fixed and cannot be altered through substitution.
Q: Is the stud size interchangeable with other terminal variants?
A: No. The 5/16 stud size is a fixed mechanical interface requirement. Terminals with different stud sizes (such as 3/8 or 1/4) are not interchangeable and require different mating hardware.
Q: What termination method is used for these terminals?
A: Both parts utilize crimp and barrel termination methodology. Installation requires appropriate crimping equipment rated for 250MCM conductors and 0.700" barrel ID specifications.
Q: Does the bulk packaging of the substitute part affect performance?
A: No. Packaging configuration does not affect electrical or mechanical performance. Bulk packaging may impact procurement quantity requirements and inventory management procedures but does not alter component specifications or functionality.
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