Phoenix Contact 1975749 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1975749 is a 7-position terminal block plug with female sockets, 0.300" (7.62mm) pitch, designed for 180° free-hanging in-line applications. This component features screw-type rising cage clamp termination and supports wire gauges from 8-24 AWG (0.2-10mm²). The part is classified as obsolete, making identification of active equivalent models essential for procurement and design continuity.

Substiute Parts

1975749

Phoenix ContactIn Stock: 11591975749 Datasheet

Current PartRFQ

1777888

Phoenix ContactIn Stock: 11871777888 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 1975749 is determined by strict equivalence across the following critical parameters:

• Connector Type & Configuration: 7-position plug with female sockets
• Pitch & Spacing: 0.300" (7.62mm) center-to-center spacing
• Electrical Ratings: 41A (IEC/UL), 1 kV (IEC), 600V (UL)
• Wire Compatibility: 8-24 AWG (0.2-10mm²)
• Termination Method: Screw-type rising cage clamp
• Mounting Style: Free-hanging in-line orientation
• Material & Safety: Polyamide housing, UL94 V-0 flammability rating

The substitute part Phoenix Contact 1777888 maintains full equivalence across all critical electrical and mechanical parameters while offering active product status and enhanced features.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: Phoenix Contact 1777888

The 1777888 is the direct active equivalent for the obsolete 1975749. Both components are manufactured by Phoenix Contact within the COMBICON PC series and maintain identical electrical ratings, mechanical dimensions, and termination specifications. The 1777888 offers the following advantages:

• Active Product Status: Currently manufactured and supported by Phoenix Contact, ensuring long-term availability and supply chain stability
• Enhanced Compliance: ROHS3 certification provides updated regulatory compliance compared to the RoHS Compliant status of the 1975749
• Additional Features: Includes retention latches on the non-wire side, improving mechanical stability during mating operations
• Torque Specification: Supports a torque range of 0.5-0.8 Nm, providing operational flexibility compared to the 1975749's 0.7-0.8 Nm specification

Mechanical Compatibility Note: The 1777888 has an insulation height of 0.776" (19.70mm) compared to the 1975749's 0.902" (22.90mm). This dimensional difference does not affect electrical or functional compatibility but should be verified against mounting clearances in the target application.

Frequently Asked Questions (FAQ)

Q: Can the 1777888 directly replace the 1975749 in existing designs?

A: Yes. Both components share identical electrical ratings (41A IEC, 1 kV IEC, 41A UL, 600V UL), wire gauge compatibility (8-24 AWG / 0.2-10mm²), pitch (0.300" / 7.62mm), and termination method (screw-type rising cage clamp). The 1777888 is functionally equivalent for all electrical and mechanical connection purposes.

Q: What is the significance of the insulation height difference?

A: The 1777888 has a lower insulation height (0.776" vs. 0.902"). This affects the overall profile of the connector but does not impact electrical performance or wire termination capability. Verify that the reduced height accommodates the physical space constraints of your application.

Q: Are there compliance differences between the two parts?

A: The 1975749 carries RoHS Compliant status, while the 1777888 carries ROHS3 Compliant status. Both meet current regulatory requirements. The 1777888's ROHS3 certification represents updated compliance documentation. Both parts are EAR99 classified and carry identical HTSUS codes.

Q: What additional features does the 1777888 provide?

A: The 1777888 includes retention latches on the non-wire side, which enhance mechanical stability during connector mating and unmating cycles. This feature is not present on the 1975749 but does not affect electrical compatibility.

Q: Are torque specifications interchangeable?

A: The 1975749 specifies 0.7-0.8 Nm screw torque, while the 1777888 allows 0.5-0.8 Nm. The 1777888's broader range provides operational flexibility. For applications currently using 0.7-0.8 Nm, the 1777888 remains fully compatible within this overlap range.

Q: What is the packaging difference?

A: The 1975749 is listed with no specified packaging, while the 1777888 is supplied in bulk packaging. Confirm bulk packaging meets your procurement and handling requirements.