Phoenix Contact 2799429 Fiber Optic Connector Coupler

Part Overview

The Phoenix Contact 2799429 is a simplex fiber optic coupler connector designed for ST receptacle-to-ST receptacle panel mount and bulkhead applications. This component facilitates the connection of two ST fiber optic cables in a single-channel configuration. The part is currently classified as obsolete, making identification of suitable active alternatives necessary for ongoing procurement and system maintenance.

Substiute Parts

2799429

Phoenix ContactIn Stock: 9812799429 Datasheet

Current PartRFQ

1208099

Phoenix ContactIn Stock: 11531208099 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 2799429 is determined by the following critical parameters that must remain constant:

• Connector Type: ST receptacle-to-ST receptacle coupler configuration
• Simplex/Duplex Configuration: Simplex (single-channel) operation
• Mounting Method: Panel mount and bulkhead installation capability
• Ingress Protection Rating: IP20 environmental sealing
• Connector Interface: Identical ST receptacle geometry and mating specifications

The Phoenix Contact 1208099 satisfies all mandatory substitution criteria. While the 1208099 introduces multimode fiber capability and enhanced temperature range (-25°C ~ 70°C), these represent functional improvements that maintain backward compatibility with the original 2799429 specification.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1208099 is the designated substitute for the obsolete 2799429. Selection of the 1208099 is supported by the following engineering factors:

• Product Status: The 1208099 maintains active production status, ensuring long-term availability and supply chain continuity.
• Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying current environmental and regulatory requirements.
• Functional Equivalence: Identical ST receptacle coupler configuration, simplex operation, and panel mount/bulkhead installation capability ensure direct functional replacement.
• Enhanced Operating Range: The 1208099 extends the lower operating temperature limit to -25°C, providing improved performance in cold environment applications.
• Material Specification: The 1208099 specifies metal housing with UL94 V-0 flammability rating, offering enhanced mechanical durability and fire safety characteristics.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 1208099 directly replace the 2799429 in existing installations?

A: Yes. Both parts are ST receptacle-to-ST receptacle simplex couplers with identical panel mount and bulkhead mounting specifications. The 1208099 maintains full mechanical and electrical compatibility with the 2799429.

Q: What is the significance of the multimode specification in the 1208099?

A: The 1208099 is specified for multimode fiber operation. This designation indicates the coupler's optical design supports multimode fiber transmission. The original 2799429 does not specify a mode classification. The 1208099 remains compatible with single-mode applications in terms of mechanical interface.

Q: Are there differences in environmental sealing between these parts?

A: Both parts maintain IP20 ingress protection rating. The 1208099 extends the operating temperature range to -25°C, providing improved performance in lower temperature environments compared to the 2799429's -20°C minimum.

Q: What packaging options are available?

A: Both the 2799429 and 1208099 are supplied in bulk packaging configuration.

Q: Are there compliance differences between the original and substitute part?

A: Both parts maintain ROHS3 compliance and REACH unaffected status. The 1208099 additionally specifies UL94 V-0 material flammability rating, indicating enhanced fire safety performance.