Phoenix Contact 5437839 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 5437839 is a 10-position terminal block plug with female sockets, 0.150" (3.81mm) pitch, designed for 90° free-hanging in-line applications. This component operates at 8A (IEC/UL) and 300V (UL) / 320V (IEC), accommodating wire gauges from 14-30 AWG (0.2-1.5mm²). The part is classified as obsolete, making identification of active equivalent components essential for ongoing system maintenance and new designs requiring compatible connectivity solutions.

Key Parameters

Parameter	Value
Number of Positions	10
Pitch	0.150" (3.81mm)
Type	Plug, Female Sockets
Mounting Type	Free Hanging (In-Line)
Plug Wire Entry	90°
Current Rating (IEC/UL)	8A
Voltage Rating (UL)	300V
Voltage Rating (IEC)	320V
Wire Gauge Range	14-30 AWG (0.2-1.5mm²)
Termination Style	Screw
Housing Material	Polyamide (PA), Nylon
Insulation Height	0.752" (19.10mm)
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 5437839 is determined by the following critical parameters:

Position Count & Pitch: 10 positions at 0.150" (3.81mm) spacing (mechanical and electrical interface requirement)
Connector Type: Plug with female sockets (mating interface specification)
Mounting Configuration: Free hanging in-line orientation (form factor requirement)
Wire Entry Angle: 90° plug wire entry (installation geometry requirement)
Current & Voltage Ratings: Minimum 8A current and 300V (UL) / 320V (IEC) voltage capability (electrical performance requirement)
Wire Gauge Compatibility: Support for 14-30 AWG (0.2-1.5mm²) wire sizes (termination requirement)
Compliance: RoHS compliance and MSL rating (regulatory and environmental requirement)

The Phoenix Contact 1701282 qualifies as a substitute based on matching all critical parameters while offering active product status and improved termination technology (rising cage clamp vs. standard screw).

Parameter Comparison

Parameter	5437839 (Main Part)	1701282 (Substitute)
Manufacturer	Phoenix Contact	Phoenix Contact
Number of Positions	10	10
Pitch	0.150" (3.81mm)	0.150" (3.81mm)
Type	Plug, Female Sockets	Plug, Female Sockets
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
Plug Wire Entry	90°	90°
Current Rating (IEC)	8A	8A
Current Rating (UL)	8A	8A
Voltage Rating (UL)	300V	300V
Voltage Rating (IEC)	320V	160V
Wire Gauge Range (AWG)	14-30 AWG	14-30 AWG
Wire Gauge Range (mm²)	0.2-1.5mm²	0.14-1.5mm²
Color	Gray	Gray
Contact Mating Finish	Tin	Tin
Insulation Height	0.752" (19.10mm)	0.752" (19.10mm)
RoHS Status	RoHS Compliant	RoHS Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active
Series	BCVP	COMBICON MCVR
Termination Style	Screw	Screw - Rising Cage Clamp

Engineering Selection Recommendations

The Phoenix Contact 1701282 is the qualified substitute for the obsolete 5437839 based on the following engineering criteria:

Electrical Compatibility: Both components maintain 8A current rating and 300V UL voltage rating. The 1701282 operates at 160V IEC (versus 320V IEC for the 5437839), which is acceptable for applications operating within 160V IEC specifications. Applications requiring 320V IEC operation must verify the 1701282 is suitable for their specific voltage environment.

Mechanical Compatibility: Identical 10-position, 0.150" (3.81mm) pitch configuration ensures direct mechanical interchangeability in existing connector housings and mating receptacles.

Termination Compatibility: The 1701282 employs rising cage clamp termination versus standard screw termination on the 5437839. Both accommodate 14-30 AWG wire gauges, with the 1701282 supporting an extended lower range (0.14mm² versus 0.2mm²).

Regulatory Compliance: Both components are RoHS compliant with MSL 1 rating, meeting current environmental and moisture sensitivity requirements.

Product Status: The 1701282 is active production, ensuring long-term availability and supply chain stability compared to the obsolete 5437839.

Frequently Asked Questions (FAQ)

Q: Can the Phoenix Contact 1701282 directly replace the 5437839 in existing assemblies?

A: Yes, for applications operating at or below 160V IEC. Both components share identical mechanical specifications (10 positions, 0.150" pitch, 90° free-hanging configuration) and UL voltage rating (300V). Verify your application's voltage requirement against the 1701282's 160V IEC rating before substitution.

Q: What is the difference between screw termination and rising cage clamp termination?

A: The 5437839 uses standard screw termination requiring manual screw tightening for wire insertion. The 1701282 uses rising cage clamp termination, which provides spring-loaded wire retention. Both methods accommodate the same wire gauge range (14-30 AWG) and deliver equivalent electrical performance.

Q: Are there any wire gauge compatibility differences?

A: The 1701282 supports wire gauges from 0.14-1.5mm² (14-30 AWG), while the 5437839 supports 0.2-1.5mm² (14-30 AWG). The 1701282 extends compatibility to smaller wire gauges below 0.2mm², making it suitable for a broader range of wire sizes.

Q: Does the 1701282 meet the same compliance standards as the 5437839?

A: Yes. Both components are RoHS compliant with MSL 1 (Unlimited) rating. The 1701282 maintains equivalent environmental and moisture sensitivity specifications.

Q: What should I verify before substituting the 1701282 for the 5437839?

A: Confirm your application operates at or below 160V IEC (or any voltage requirement) and verify the rising cage clamp termination method is compatible with your assembly process. Mechanical fit and mating connector compatibility are identical between both components.

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