LP30430504SO Equivalent & Substitute Parts

Part Overview

The LP30430504SO is a 5-circuit barrier block connector manufactured by Eaton - Electronics Division, designed for chassis and panel mounting applications. This component features a 0.437" (11.10mm) pitch with screw termination on the top and wire wrap insulated termination on the bottom. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing maintenance, repair, and system integration where original stock is unavailable.

Substiute Parts

LP30430504SO

Eaton - Electronics DivisionIn Stock: 919LP30430504SO Datasheet

Current PartRFQ

432602-05-0

Curtis IndustriesIn Stock: 945432602-05-0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LP30430504SO is determined by the following critical parameters:

Mechanical Compatibility:

• Terminal block type must be barrier block
• Number of circuits must equal 5
• Pitch tolerance: 0.437" ± 0.001" (11.10mm ± 0.025mm) to accommodate existing mounting and wiring infrastructure
• Mounting configuration must support chassis and panel mounting
• Termination style must include screw top termination and wire wrap insulated bottom termination

Electrical Compatibility:

• Current rating must meet or exceed 30A
• Voltage rating must meet or exceed 150V
• Wire gauge acceptance range must include 12-22 AWG
• Operating temperature range must encompass -40°C to 105°C minimum

Material & Compliance:

• Barrier type must be 2 Wall (Dual) configuration
• Material flammability rating must meet UL94 V-0 standard

The Curtis Industries 432602-05-0 meets the mechanical and electrical compatibility criteria with allowable parameter variations within acceptable engineering tolerances.

Parameter Comparison

Engineering Selection Recommendations

The Curtis Industries 432602-05-0 serves as a functional equivalent for the obsolete LP30430504SO based on the following engineering criteria:

Mechanical Alignment: The pitch differential of 0.002" (0.02mm) between the two components falls within standard PCB and mounting tolerance specifications for barrier block connectors. Both components maintain identical circuit count, termination methodology, and mounting configuration.

Electrical Considerations: The 432602-05-0 operates at a reduced current rating of 20A compared to the original 30A specification. This represents a 33% derating and must be evaluated against actual circuit load requirements. The substitute's 600V voltage rating exceeds the original 150V specification, providing enhanced voltage margin.

Compliance & Availability: The Curtis Industries part maintains UL94 V-0 flammability certification and is currently in active production status with 850 units available in inventory. The original Eaton component is obsolete with limited remaining stock (880 units).

Temperature Performance: The substitute component's upper operating temperature limit of 105°C aligns with the original specification. The original component's lower temperature limit of -40°C is not explicitly stated for the substitute; applications requiring operation below 0°C require verification against Curtis Industries technical documentation.

Frequently Asked Questions (FAQ)

Q: Can the Curtis Industries 432602-05-0 directly replace the LP30430504SO in existing installations?

A: Mechanical and electrical compatibility exists for most applications. The 0.002" pitch difference is within standard tolerance. However, the 20A current rating represents a 33% reduction from the original 30A specification. Direct replacement is permissible only when circuit current requirements do not exceed 20A.

Q: What is the significance of the pitch tolerance between 0.437" and 0.438"?

A: The 0.002" (0.02mm) difference is negligible for standard PCB mounting and wiring applications. Both components maintain the same circuit spacing and are mechanically interchangeable within typical manufacturing tolerances for barrier block connectors.

Q: Are there any compliance or certification differences between the two parts?

A: Both components carry UL94 V-0 flammability certification. The Curtis Industries part is ROHS3 compliant and REACH unaffected. The original Eaton component's compliance status is limited to EAR99 classification. No functional compliance barriers exist for substitution.

Q: What is the impact of the voltage rating difference (150V vs. 600V)?

A: The higher voltage rating of the substitute component provides additional safety margin and is not a limiting factor. Applications operating at 150V or below are fully compatible with the 600V-rated substitute.

Q: Does the insulation material difference affect substitution suitability?

A: The original component uses thermoplastic insulation while the substitute uses polypropylene (PP). Both materials achieve UL94 V-0 rating. Polypropylene offers superior chemical resistance and moisture performance. This represents an improvement over the original specification.

Q: What documentation should be retained for substitution traceability?

A: Maintain records indicating the original part number (LP30430504SO), substitute part number (432602-05-0), substitution date, circuit current load verification, and application context. This documentation supports future maintenance and component auditing.