Phoenix Contact 1946370 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1946370 is a 3-position terminal block plug with female sockets, 5mm pitch, designed for free-hanging in-line applications. This component features screw-type rising cage clamp termination and supports wire gauges from 12-30 AWG (0.2-2.5mm²). The part is classified as obsolete, making identification of active equivalent components essential for ongoing system maintenance and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	1946370
Manufacturer	Phoenix Contact
Series	COMBICON MSTB
Category	Terminal Blocks
Type	Plug, Female Sockets
Number of Positions	3
Pitch	0.197" (5.00mm)
Plug Wire Entry	180°
Termination Style	Screw - Rising Cage Clamp
Mounting Type	Free Hanging (In-Line)
Current - IEC	12A
Voltage - IEC	630 V
Wire Gauge Range	12-30 AWG (0.2-2.5mm²)
Screw Size	M3
Housing Material	Polyamide (PA), Nylon
Material Flammability Rating	UL94 V-0
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1946370 is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

Number of positions: 3
Pitch: 0.197" (5.00mm)
Type: Plug with female sockets
Termination style: Screw - Rising Cage Clamp
Mounting type: Free Hanging (In-Line)
Plug wire entry orientation: 180°
Wire gauge compatibility: 12-30 AWG (0.2-2.5mm²)
Housing material: Polyamide (PA), Nylon
Screw size: M3

Acceptable Parameter Variations:

Product status: Active substitutes are preferred for obsolete parts
Current rating: IEC current may vary (12A minimum acceptable)
UL current rating: May exceed minimum requirements
Packaging format: Bulk or standard packaging acceptable
Compliance certifications: ROHS3 acceptable for RoHS Compliant parts
Features: Minor feature differences (e.g., retention latches) do not preclude substitution if core electrical and mechanical parameters align

Parameter Comparison

Parameter	1946370 (Main Part)	1786844 (Substitute)
Manufacturer Part Number	1946370	1786844
Product Status	Obsolete	Active
Number of Positions	3	3
Pitch	0.197" (5.00mm)	0.197" (5.00mm)
Type	Plug, Female Sockets	Plug, Female Sockets
Plug Wire Entry	180°	180°
Termination Style	Screw - Rising Cage Clamp	Screw - Rising Cage Clamp
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
Current - IEC	12A	12A
Voltage - IEC	630 V	630 V
Current - UL	10 A	15 A
Voltage - UL	300 V	300 V
Wire Gauge Range	12-30 AWG (0.2-2.5mm²)	12-30 AWG (0.2-2.5mm²)
Color	Green	Green
Contact Mating Finish	Tin	Tin
Housing Material	Polyamide (PA), Nylon	Polyamide (PA), Nylon
Material Flammability Rating	UL94 V-0	UL94 V-0
Screw Size	M3	M3
Torque - Screw	0.5-0.6 Nm (4.4-5.3 Lb-In)	0.5-0.6 Nm (4.4-5.3 Lb-In)
Wire Strip Length	7mm	7mm
RoHS Status	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS	8536.90.4000	8536.90.4000

Engineering Selection Recommendations

The Phoenix Contact 1786844 is a direct functional equivalent to the obsolete 1946370. Both components share identical electrical specifications (12A IEC, 630V IEC), mechanical configuration (3-position, 5mm pitch, M3 screw termination), and material properties (UL94 V-0 polyamide housing).

The 1786844 offers the following advantages for new designs and system replacements:

Active product status ensures long-term availability and supply chain continuity
Enhanced UL current rating (15A versus 10A) provides additional margin for applications within IEC specifications
ROHS3 compliance extends environmental regulatory coverage
Identical wire gauge compatibility (12-30 AWG) and screw torque specifications (0.5-0.6 Nm) ensure drop-in compatibility in existing installations

Both components are classified under ECCN EAR99 and HTSUS 8536.90.4000, with identical moisture sensitivity levels (MSL 1 - Unlimited).

Frequently Asked Questions (FAQ)

Q: Can the 1786844 directly replace the 1946370 in existing applications?

A: Yes. Both components meet identical IEC electrical specifications (12A, 630V), share the same mechanical pitch (5mm), termination method (screw-type rising cage clamp), and wire gauge range (12-30 AWG). The 1786844 is pin-compatible and functionally equivalent.

Q: What is the difference in UL current ratings between these parts?

A: The 1946370 is rated for 10A UL, while the 1786844 is rated for 15A UL. Both meet the 12A IEC specification. The higher UL rating on the 1786844 does not affect compatibility; it represents an enhanced capability for applications operating under UL standards.

Q: Are there packaging differences between these parts?

A: The 1946370 is supplied in standard packaging, while the 1786844 is supplied in bulk packaging. This difference does not affect electrical or mechanical performance. Bulk packaging may offer cost advantages for high-volume procurement.

Q: Do both parts meet the same environmental and compliance standards?

A: Both components are UL94 V-0 rated and meet RoHS requirements. The 1946370 carries RoHS Compliant status, while the 1786844 carries ROHS3 Compliant status. Both are classified as MSL 1 (Unlimited moisture sensitivity) and share identical ECCN (EAR99) and HTSUS (8536.90.4000) classifications.

Q: What is the screw torque specification for both parts?

A: Both the 1946370 and 1786844 require identical screw torque of 0.5-0.6 Nm (4.4-5.3 Lb-In) for M3 fasteners. Installation procedures remain unchanged between the two components.

Q: Why is the 1946370 classified as obsolete?

A: The 1946370 has been superseded by the 1786844 in the Phoenix Contact product line. The 1786844 provides equivalent functionality with active product status, ensuring continued availability and support.

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