Phoenix Contact 1645749 COUPLING HOUSING HEAVYCON B24 Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1645749 is a coupling housing for heavy-duty connectors in the HEAVYCON series, classified as a B24 connector component. This part is currently obsolete, necessitating identification of functionally equivalent alternatives for ongoing system maintenance and new installations. The coupling housing serves as a critical interface component in heavy-duty connector assemblies, and substitute parts must maintain electrical and mechanical compatibility with existing system requirements.

Substiute Parts

1645749

Phoenix ContactIn Stock: 11701645749 Datasheet

Current PartRFQ

1412870

Phoenix ContactIn Stock: 7941412870 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete Phoenix Contact 1645749 is based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

• Manufacturer alignment (Phoenix Contact)
• Connector category classification (Heavy Duty Connectors)
• Size designation (B24)
• Regulatory compliance (RoHS Compliant)
• Moisture sensitivity rating (MSL 1)
• Trade classification (HTSUS 8538.90.8180)

The substitute part 1412870 maintains all critical parameters required for direct substitution. This part belongs to the HEAVYCON® EVO series, representing the active product line evolution from the obsolete coupling housing. The substitute is classified as a base connector with side entry configuration and M32 thread size, providing the mechanical interface compatibility necessary for system integration.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1412870 is the direct substitute for the obsolete 1645749 coupling housing. Selection is based on the following engineering factors:

Compliance and Regulatory Alignment: Both parts maintain RoHS compliance and identical MSL ratings, ensuring regulatory continuity in applications subject to environmental and hazardous substance restrictions. The ECCN and HTSUS classifications are identical, confirming trade and export compliance equivalence.

Product Status and Supply Chain: The 1645749 is obsolete with limited remaining inventory (1071 pcs). The 1412870 is an active product with established supply chain availability (732 pcs in stock), ensuring long-term procurement reliability and technical support from the manufacturer.

Connector Series Evolution: The 1412870 belongs to the HEAVYCON® EVO series, representing the current generation of Phoenix Contact heavy-duty connector technology. This series maintains backward compatibility with B24 size specifications while incorporating modern design enhancements.

Mechanical and Environmental Specifications: The substitute part provides documented ingress protection ratings (IP66/IP67/IP69K) and operating temperature specifications (-40°C ~ 125°C) that exceed typical industrial connector requirements. The die-cast aluminum housing ensures durability in demanding environments.

Frequently Asked Questions (FAQ)

Q: Can the 1412870 directly replace the 1645749 in existing installations?

A: Yes. Both parts share identical size designation (B24), manufacturer (Phoenix Contact), regulatory compliance status (RoHS), and trade classifications (HTSUS 8538.90.8180). The 1412870 is designed as the active product successor to the obsolete 1645749.

Q: What is the difference between a coupling housing and a base connector?

A: The 1645749 is classified as a coupling housing component, while the 1412870 is a complete base connector assembly with side entry configuration. The 1412870 provides integrated functionality including the coupling interface, housing, and mounting provisions in a single unit.

Q: Are there any packaging differences between these parts?

A: The 1645749 packaging specification is not provided in the technical data. The 1412870 is supplied in bulk packaging. Confirm packaging requirements with procurement specifications for your application.

Q: What does the M32 thread size on the 1412870 indicate?

A: The M32 thread size specifies the cable gland or conduit entry thread size for the connector. This is a standard metric thread specification for heavy-duty industrial connector installations.

Q: Why is the 1645749 obsolete?

A: The 1645749 has been superseded by the HEAVYCON® EVO series, which represents the current generation of Phoenix Contact heavy-duty connector technology. The 1412870 incorporates modern design standards while maintaining compatibility with B24 specifications.

Q: Are the environmental ratings equivalent between the two parts?

A: The 1645749 environmental specifications are not documented in the available technical data. The 1412870 provides IP66/IP67/IP69K ingress protection, suitable for dust-tight, water-resistant, and waterproof applications. Verify environmental requirements against your specific application needs.

Q: What is the operating temperature range for these connectors?

A: The 1645749 operating temperature is not specified. The 1412870 operates across -40°C to 125°C, covering standard industrial temperature ranges. Confirm temperature requirements for your specific application environment.