Phoenix Contact 1775677 Heavy Duty Connector Hood - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1775677 is a Heavy Duty Connector Hood designed for top entry applications with PG21 thread size in the HEAVYCON® B series. This component provides IP65 ingress protection (dust tight, water resistant) and operates across -40°C to 125°C. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where this connector type is specified.

Substiute Parts

1775677

Phoenix ContactIn Stock: 10461775677 Datasheet

Current PartRFQ

1424827

Phoenix ContactIn Stock: 6531424827 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1775677 is determined by the following critical parameters:

• Connector Type & Style: Must be Hood connector with Top Entry configuration to maintain mechanical and electrical interface compatibility
• Size Classification: B32 size requirement ensures dimensional compatibility with existing contact arrangements
• Series Compatibility: HEAVYCON® B series maintains design consistency and interchangeability within the product family
• Ingress Protection: IP65 minimum rating required; higher ratings (IP66/IP67) provide enhanced environmental protection and are acceptable substitutes
• Operating Temperature: -40°C to 125°C range must be maintained or exceeded
• Housing Material & Finish: Aluminum die-cast construction with appropriate corrosion protection
• RoHS Compliance: Required for regulatory and supply chain continuity

The substitute part 1424827 meets these criteria while offering enhanced environmental protection through IP66/IP67 rating and salt water resistance. The primary difference is the thread size upgrade from PG21 to PG29, which represents a larger entry diameter for improved sealing and mechanical robustness.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: Phoenix Contact 1424827

The 1424827 is the recommended substitute for the obsolete 1775677. Both components share identical core specifications within the HEAVYCON® B series, maintaining mechanical and electrical compatibility. The 1424827 provides measurable advantages:

• Enhanced Environmental Protection: IP66/IP67 rating exceeds the original IP65 specification, providing superior dust and water ingress protection
• Active Product Status: The 1424827 is currently in active production, ensuring long-term availability and supply chain stability
• Salt Water Resistance: Additional corrosion protection feature suitable for marine and coastal applications
• Regulatory Compliance: Maintains RoHS compliance and identical operating temperature range

Thread Size Consideration: The upgrade from PG21 to PG29 represents a larger entry diameter. This change requires verification that the cable gland or entry fitting accommodates the larger thread size. In applications where PG21 thread size is mechanically constrained, this substitution requires mechanical redesign of the entry assembly.

Both parts maintain identical temperature performance (-40°C to 125°C) and housing material specifications, ensuring thermal and mechanical reliability across equivalent operating conditions.

Frequently Asked Questions (FAQ)

Q: Can the 1424827 directly replace the 1775677 without any modifications?

A: Electrical and functional compatibility is maintained. However, the thread size change from PG21 to PG29 requires verification that existing cable glands, conduit fittings, or panel cutouts accommodate the larger diameter. Mechanical redesign of the entry assembly may be necessary.

Q: What is the significance of the IP66/IP67 rating upgrade on the 1424827?

A: IP66 provides protection against powerful water jets; IP67 adds temporary immersion capability. Both exceed the original IP65 specification (dust tight, water resistant). This upgrade is beneficial in high-moisture, washdown, or marine environments but does not compromise compatibility with applications originally specified for IP65.

Q: Are both parts suitable for the same temperature range?

A: Yes. Both the 1775677 and 1424827 operate across -40°C to 125°C, ensuring equivalent thermal performance in industrial applications.

Q: What does the salt water resistance feature on the 1424827 provide?

A: This feature indicates enhanced corrosion protection for the aluminum die-cast housing, making the 1424827 suitable for coastal, marine, or chemically aggressive environments where salt spray or corrosive atmospheres are present.

Q: Why is the 1775677 classified as obsolete?

A: Obsolescence typically reflects end-of-life status in the manufacturer's product portfolio. The 1424827 represents the active successor within the HEAVYCON® B series, offering improved specifications and continued manufacturing support.

Q: Are there any RoHS or regulatory differences between these parts?

A: No. Both parts are RoHS compliant and share identical regulatory classifications (ECCN: EAR99; HTSUS: 8538.90.8180), ensuring equivalent compliance for export and supply chain purposes.

Q: What inventory considerations should be evaluated?

A: The 1775677 has 969 units in stock (obsolete status); the 1424827 has 608 units in stock (active status). For new designs or long-term applications, the 1424827 is recommended due to its active product status and ongoing manufacturing availability.