Phoenix Contact 5439798 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 5439798 is a 4-position terminal block plug with female sockets, designed for 0.200" (5.08mm) pitch applications with 270° free-hanging in-line mounting. This component operates at 12A (IEC) / 12A (UL) and 630V (IEC) / 300V (UL), accommodating wire gauges from 12-30 AWG (0.2-2.5mm²). The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new designs requiring compatible interconnection solutions.

Key Parameters

Parameter	Value
Number of Positions	4
Pitch	0.200" (5.08mm)
Plug Wire Entry	270°
Mounting Type	Free Hanging (In-Line)
Current Rating (IEC)	12A
Voltage Rating (IEC)	630V
Wire Gauge Range	12-30 AWG (0.2-2.5mm²)
Termination Style	Screw
Housing Material	Polyamide (PA), Nylon
Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for terminal block plugs is determined by strict alignment of mechanical and electrical parameters. The primary criteria are:

Pitch and Position Count: Must match exactly (0.200" / 5.08mm, 4 positions) to ensure physical mating compatibility with corresponding receptacles
Wire Entry Angle: Must be identical (270° free-hanging) to maintain installation geometry
Current and Voltage Ratings: Substitute parts must meet or exceed the IEC and UL ratings of the original component
Wire Gauge Compatibility: Must accommodate the same AWG/mm² range
Termination Method: Screw-based termination is acceptable; variations in screw mechanism (standard vs. clamping yoke) are permissible if torque specifications remain compatible
Housing Material and Flammability: Must maintain UL94 V-0 compliance and polyamide construction
RoHS Compliance: Must be RoHS compliant to meet regulatory requirements

The Phoenix Contact 1806533 qualifies as a substitute based on these criteria, despite differences in product status and minor electrical rating variations.

Parameter Comparison

Parameter	5439798 (Main Part)	1806533 (Substitute)	Compatibility
Manufacturer	Phoenix Contact	Phoenix Contact	Same
Category	Terminal Blocks	Terminal Blocks	Same
Type	Plug, Female Sockets	Plug, Female Sockets	Same
Number of Positions	4	4	Same
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	Same
Plug Wire Entry	270°	270°	Same
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Same
Current - IEC	12A	12A	Same
Voltage - IEC	630V	320V	Substitute rated lower
Current - UL	12A	15A	Substitute rated higher
Voltage - UL	300V	300V	Same
Wire Gauge Range	12-30 AWG (0.2-2.5mm²)	12-30 AWG (0.2-2.5mm²)	Same
Color	Gray	Gray	Same
Termination Style	Screw	Screw - Clamping Yoke (Tension Sleeve)	Compatible variation
Screw Size	M3	M3	Same
Torque - Screw	0.5-0.6 Nm (4.4-5.3 Lb-In)	0.5-0.6 Nm (4.4-5.3 Lb-In)	Same
Wire Strip Length	7mm	7mm	Same
Housing Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon	Same
Flammability Rating	UL94 V-0	UL94 V-0	Same
RoHS Status	RoHS Compliant	RoHS Compliant	Same
Product Status	Obsolete	Active	Substitute is current

Engineering Selection Recommendations

The Phoenix Contact 1806533 is a qualified substitute for the obsolete 5439798 based on mechanical and electrical compatibility. Both components share identical pitch, position count, wire entry angle, mounting configuration, and wire gauge specifications. The screw termination mechanism is compatible, with the 1806533 employing a clamping yoke variation that maintains the same M3 screw size and torque specification.

The 1806533 is classified as an active product, ensuring ongoing availability and supply chain continuity. Both components maintain RoHS compliance and UL94 V-0 flammability ratings, meeting regulatory requirements for industrial applications.

Electrical rating differences exist: the 1806533 is rated at 320V IEC (versus 630V for the 5439798) but provides 15A UL current capacity (versus 12A for the 5439798). For applications operating within 320V IEC and 300V UL specifications, the 1806533 is directly substitutable. Applications requiring the full 630V IEC rating of the original component cannot use this substitute.

The addition of retention latches (non-wire side) on the 1806533 provides enhanced mechanical security during mating operations, representing a functional improvement over the original design.

Frequently Asked Questions (FAQ)

Q: Can the 1806533 be used as a direct replacement for the 5439798 in all applications?

A: Direct substitution is valid for applications operating at or below 320V IEC and 300V UL. Applications requiring the full 630V IEC rating of the 5439798 cannot use the 1806533. Verify your system voltage specification before substitution.

Q: Are the screw termination mechanisms compatible between these two parts?

A: Yes. Both components use M3 screws with identical torque specifications (0.5-0.6 Nm). The 1806533 employs a clamping yoke (tension sleeve) variation, which is mechanically compatible with standard screw termination. Installation procedures remain consistent.

Q: Will the 1806533 physically mate with receptacles designed for the 5439798?

A: Yes. Both plugs share identical pitch (0.200" / 5.08mm), position count (4), wire entry angle (270°), and mounting type (free-hanging in-line). Physical mating compatibility is confirmed.

Q: What is the significance of the retention latches on the 1806533?

A: The retention latches (non-wire side) provide mechanical locking during mating, preventing accidental disconnection. This is a design enhancement and does not affect compatibility with standard receptacles.

Q: Are both components RoHS compliant?

A: Yes. Both the 5439798 and 1806533 are RoHS compliant and maintain UL94 V-0 flammability ratings, meeting regulatory requirements for industrial and commercial applications.

Q: What wire gauges are supported by the 1806533?

A: The 1806533 accommodates 12-30 AWG (0.2-2.5mm²), identical to the 5439798. Wire strip length is 7mm for both components.

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