Phoenix Contact 3073924 Terminal Block Connector - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 3073924 is a 2-position disconnect terminal block connector rated for 12-28 AWG wire gauges, designed for screw termination applications. This component operates at 16 A (IEC) / 5 A (UL) and 500V (IEC) / 600V (UL). The part is classified as obsolete, making identification of compatible substitute components essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

3073924

Phoenix ContactIn Stock: 8193073924 Datasheet

Current PartRFQ

3046142

Phoenix ContactIn Stock: 8813046142 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 3073924 is determined by the following critical parameters:

Functional Compatibility Criteria:

• Number of positions: 2 (fixed requirement)
• Number of levels: 1 (fixed requirement)
• Disconnect type: Open (fixed requirement)
• Termination style: Screw (fixed requirement)
• Terminal width: 6.2 mm (fixed requirement)
• Material composition: Polyamide (PA), Nylon with UL94 V-0 rating (fixed requirement)

Electrical Performance Criteria:

• Wire gauge compatibility: Substitute must accommodate the 12-28 AWG range or a superset thereof
• Current and voltage ratings: Substitute must meet or exceed IEC and UL specifications
• Voltage rating: Minimum 500V (IEC) and 600V (UL)

Regulatory and Quality Criteria:

• RoHS compliance status
• Moisture sensitivity level: MSL 1 (Unlimited)

The Phoenix Contact 3046142 qualifies as a substitute based on these parameters. It maintains identical mechanical form factor (2 positions, 1 level, 6.2 mm terminal width, screw termination), identical insulation material and flammability rating, and exceeds electrical performance specifications while supporting an expanded wire gauge range.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 3046142 is a direct substitute for the obsolete 3073924 based on the following engineering criteria:

Mechanical Compatibility: Both components share identical form factors, including 2-position configuration, single-level design, 6.2 mm terminal width, and screw termination methodology. Physical interchangeability is confirmed.

Electrical Performance: The 3046142 meets or exceeds all electrical specifications of the 3073924. Current ratings are higher (20 A IEC, 16 A UL versus 16 A IEC, 5 A UL), and voltage ratings remain equivalent (500V IEC, 600V UL). Wire gauge compatibility is expanded, supporting the full 12-28 AWG range of the original part while accommodating additional gauges (10-11 AWG).

Material and Safety Compliance: Both components utilize identical insulation materials (Polyamide/Nylon) with UL94 V-0 flammability ratings, ensuring equivalent safety performance in thermal and flame exposure scenarios.

Regulatory Status: The 3046142 is actively manufactured and compliant with current RoHS3 standards, whereas the 3073924 is obsolete. The substitute provides long-term supply chain continuity and compliance with evolving regulatory requirements.

Moisture Sensitivity: Both components maintain MSL 1 (Unlimited) classification, indicating no moisture-related handling restrictions.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 3046142 directly replace the 3073924 in existing applications?

A: Yes. The 3046142 maintains identical mechanical dimensions, terminal configuration, and insulation properties. Electrical specifications are equal or superior. Direct substitution is supported for applications operating within the original 3073924 specifications.

Q: What is the significance of the wire gauge range difference between these parts?

A: The 3073924 accommodates 12-28 AWG (0.2-4 mm²), while the 3046142 supports 10-26 AWG (0.14-6 mm²). The substitute's range encompasses the original part's full range and extends to larger gauges (10-11 AWG). For applications using only 12-28 AWG wiring, both parts are functionally equivalent. Applications requiring 10-11 AWG capability benefit from the expanded range of the substitute.

Q: Why are the current ratings different between IEC and UL standards?

A: IEC and UL standards employ different testing methodologies and safety margins. The 3073924 is rated 16 A (IEC) and 5 A (UL), while the 3046142 is rated 20 A (IEC) and 16 A (UL). Both ratings are valid within their respective standards. Component selection should reference the applicable standard for the target application region.

Q: What does "obsolete" status mean for the 3073924?

A: Obsolete status indicates the manufacturer has discontinued production. The 3046142, classified as Active, is currently manufactured and represents the recommended path for new designs and ongoing procurement. Existing inventory of the 3073924 may remain available through distribution channels, but long-term supply cannot be assured.

Q: Are there packaging differences between these parts?

A: The 3073924 is listed with unspecified packaging, while the 3046142 is supplied in Bulk packaging. Packaging format does not affect electrical or mechanical compatibility; it reflects distribution and handling methodology.

Q: Do both parts meet RoHS compliance requirements?

A: Yes. The 3073924 is RoHS Compliant, and the 3046142 is ROHS3 Compliant. Both satisfy RoHS directives. The 3046142 meets the current RoHS3 standard, which supersedes earlier RoHS versions.

Q: Is the 3046142 suitable for applications requiring the exact current rating of the 3073924?

A: Yes. The 3046142's current ratings (20 A IEC, 16 A UL) exceed the 3073924's ratings (16 A IEC, 5 A UL). Applications designed for the original part's specifications operate safely within the substitute's electrical envelope.