Phoenix Contact 1780532 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1780532 is a 4-position terminal block plug with female sockets, 0.098" (2.50mm) pitch, designed for 180° free-hanging in-line applications. This component features IDC (insulation displacement connector) termination and operates at 4A per IEC standards with 125V rating. The part is classified as obsolete, making identification of compatible substitutes essential for ongoing system maintenance and new designs requiring equivalent functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	1780532
Manufacturer	Phoenix Contact
Category	Terminal Blocks
Type	Plug, Female Sockets
Number of Positions	4
Pitch	0.098" (2.50mm)
Plug Wire Entry	180°
Termination Style	IDC
Mounting Type	Free Hanging (In-Line)
Current - IEC	4A
Voltage - IEC	125V
Wire Gauge - AWG	22-24 AWG
Wire Gauge - mm²	0.25-0.34mm²
Color	Black
Contact Mating Finish	Tin
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 1780532 is determined by the following critical parameters:

Connector Type & Configuration: 4-position plug with female sockets
Pitch Specification: 0.098" (2.50mm) center-to-center spacing
Mounting Orientation: 180° free-hanging in-line configuration
Electrical Performance: Current and voltage ratings must meet or exceed IEC 4A / 125V requirements
Wire Compatibility: Wire gauge range must accommodate 22-24 AWG (0.25-0.34mm²)
Termination Interface: Mechanical compatibility with mating receptacles

The Phoenix Contact 1778858 qualifies as a direct substitute based on matching pitch, position count, mounting type, wire entry angle, and color specification. While the 1778858 employs a different termination method (Screwless - Spring Cage vs. IDC) and offers enhanced electrical ratings (6A IEC / 320V), it maintains full mechanical and functional compatibility with systems designed for the 1780532.

Parameter Comparison

Parameter	1780532 (Main Part)	1778858 (Substitute)
Manufacturer	Phoenix Contact	Phoenix Contact
Type	Plug, Female Sockets	Plug, Female Sockets
Number of Positions	4	4
Pitch	0.098" (2.50mm)	0.098" (2.50mm)
Plug Wire Entry	180°	180°
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
Termination Style	IDC	Screwless - Spring Cage, Tension Clamp
Current - IEC	4A	6A
Voltage - IEC	125V	320V
Wire Gauge - AWG	22-24 AWG	20-26 AWG
Wire Gauge - mm²	0.25-0.34mm²	0.14-0.5mm²
Color	Black	Black
Contact Mating Finish	Tin	Tin
RoHS Status	RoHS Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

The Phoenix Contact 1778858 is the qualified substitute for the obsolete 1780532. Selection is based on the following engineering criteria:

Mechanical Compatibility: Both parts maintain identical pitch (2.50mm), position count (4), mounting type (free-hanging in-line), and wire entry angle (180°), ensuring direct physical compatibility with existing mating receptacles and system layouts.

Electrical Performance: The 1778858 exceeds the electrical requirements of the 1780532, providing 6A IEC current capacity versus 4A, and 320V IEC voltage rating versus 125V. This enhanced performance ensures the substitute operates safely within the original design envelope while providing additional margin for system reliability.

Regulatory Compliance: Both parts are RoHS compliant. The 1778858 carries ROHS3 Compliant status and REACH Unaffected designation, meeting current environmental and regulatory standards for new designs and ongoing production.

Wire Gauge Compatibility: The 1778858 accepts 20-26 AWG (0.14-0.5mm²), which encompasses the original 22-24 AWG (0.25-0.34mm²) specification, ensuring compatibility with existing wire harnesses and termination practices.

Product Availability: The 1778858 is active in production with substantial inventory availability, providing long-term supply security compared to the obsolete 1780532.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 1778858 directly replace the 1780532 in existing applications?

A: Yes. Both parts share identical pitch (2.50mm), position count (4), mounting configuration (free-hanging in-line), and wire entry angle (180°). The 1778858 is mechanically and functionally compatible with mating receptacles and system designs specified for the 1780532.

Q: What is the primary difference between these two parts?

A: The termination method differs. The 1780532 uses IDC (insulation displacement connector) termination, while the 1778858 employs Screwless - Spring Cage, Tension Clamp termination. Both methods achieve equivalent electrical and mechanical connections.

Q: Are there wire gauge compatibility concerns?

A: No. The 1778858 accepts 20-26 AWG (0.14-0.5mm²), which fully encompasses the original 22-24 AWG (0.25-0.34mm²) specification. Existing wire harnesses are compatible without modification.

Q: Does the 1778858 meet current regulatory requirements?

A: Yes. The 1778858 is ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory standards for both new designs and ongoing production applications.

Q: What is the electrical performance difference?

A: The 1778858 provides enhanced ratings: 6A IEC current (versus 4A) and 320V IEC voltage (versus 125V). These higher ratings ensure the substitute operates safely within the original design specifications while providing additional performance margin.

Q: Is the 1778858 available for immediate procurement?

A: Yes. The 1778858 is active in production status with 2705 pieces in new original stock, providing reliable supply availability compared to the obsolete 1780532.

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