Phoenix Contact 1781085 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1781085 is a 12-position terminal block plug with female sockets, 0.200" (5.08mm) pitch, designed for 180° free-hanging in-line applications. This component is actively manufactured and widely used in industrial control and power distribution systems. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design flexibility permits equivalent component selection.

Key Parameters

Parameter	Value
Number of Positions	12
Pitch	0.200" (5.08mm)
Type	Plug, Female Sockets
Mounting Type	Free Hanging (In-Line)
Plug Wire Entry	180°
Termination Style	Screw - Rising Cage Clamp
Wire Gauge Range	12-30 AWG (0.2-2.5mm²)
Current Rating (UL)	15 A
Voltage Rating (UL)	300 V
Screw Size	M3
Housing Material	Polyamide (PA), Nylon
Flammability Rating	UL94 V-0
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the Phoenix Contact 1781085 is determined by strict alignment with the following critical parameters:

12-position configuration with 0.200" (5.08mm) pitch spacing
Female socket plug type with 180° wire entry orientation
Free-hanging in-line mounting configuration
Screw-based termination with rising cage clamp mechanism
M3 screw fastening
UL94 V-0 flammability rating
Wire gauge compatibility: 12-30 AWG minimum
UL voltage rating: 300 V minimum
UL current rating: 15 A minimum
RoHS3 compliance

The TE Connectivity AMP Connectors part 1-796634-2 meets all critical substitution criteria and is classified as an equivalent substitute.

Parameter Comparison

Parameter	Phoenix Contact 1781085	TE Connectivity 1-796634-2
Manufacturer	Phoenix Contact	TE Connectivity AMP Connectors
Number of Positions	12	12
Pitch	0.200" (5.08mm)	0.200" (5.08mm)
Type	Plug, Female Sockets	Plug, Female Sockets
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
Plug Wire Entry	180°	180°
Termination Style	Screw - Rising Cage Clamp	Screw - Rising Cage Clamp
Wire Gauge Range (AWG)	12-30 AWG	12-30 AWG
Wire Gauge Range (mm²)	0.2-2.5mm²	0.05-3mm²
Current Rating (UL)	15 A	15 A
Voltage Rating (UL)	300 V	300 V
Screw Size	M3	M3
Contact Mating Finish	Tin	Tin
Flammability Rating	UL94 V-0	UL94 V-0
Housing Material	Polyamide (PA), Nylon	Polyamide (PA66), Nylon 6/6
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99
HTSUS Code	8536.90.4000	8536.90.4000

Engineering Selection Recommendations

Both the Phoenix Contact 1781085 and TE Connectivity 1-796634-2 are active production components with ROHS3 compliance and identical electrical ratings under UL standards. Selection between these parts should be based on:

Availability and lead time requirements
Inventory positioning and supply chain strategy
Housing material specification: Phoenix Contact uses standard polyamide (PA), while TE Connectivity specifies PA66 (Nylon 6/6), which offers enhanced thermal and chemical resistance
Wire gauge range: TE Connectivity accommodates 0.05-3mm² versus Phoenix Contact's 0.2-2.5mm², providing broader wire compatibility
Torque specification: TE Connectivity specifies 0.79 Nm versus Phoenix Contact's 0.5-0.6 Nm, affecting installation procedures
Operating temperature range: TE Connectivity specifies -40°C to 110°C; Phoenix Contact does not specify this parameter

Both components are suitable for direct substitution in applications meeting the specified electrical and mechanical requirements.

Frequently Asked Questions (FAQ)

Q: Can the TE Connectivity 1-796634-2 be used as a direct replacement for the Phoenix Contact 1781085?

A: Yes. Both components share identical pitch (5.08mm), position count (12), termination method (screw rising cage clamp), wire entry orientation (180°), and electrical ratings (15A UL, 300V UL). They are mechanically and electrically compatible for equivalent applications.

Q: What are the key differences between these two parts?

A: The primary differences are housing material composition (PA versus PA66), wire gauge range (0.2-2.5mm² versus 0.05-3mm²), screw torque specification (0.5-0.6 Nm versus 0.79 Nm), and operating temperature range specification (not provided versus -40°C to 110°C for TE Connectivity).

Q: Are both parts RoHS compliant?

A: Yes. Both the Phoenix Contact 1781085 and TE Connectivity 1-796634-2 are ROHS3 compliant and carry EAR99 export classification.

Q: What wire gauges are compatible with each part?

A: Phoenix Contact 1781085 accepts 12-30 AWG (0.2-2.5mm²). TE Connectivity 1-796634-2 accepts 12-30 AWG (0.05-3mm²), providing compatibility with finer gauge conductors.

Q: Do these parts require different installation procedures?

A: The screw torque specifications differ: Phoenix Contact specifies 0.5-0.6 Nm (4.4-5.3 Lb-In), while TE Connectivity specifies 0.79 Nm (7.0 Lb-In). Installation procedures should follow the specific manufacturer's torque requirements to ensure proper contact pressure and reliability.

Q: Are both parts available in the same packaging?

A: Both parts are supplied in bulk packaging. Verify current inventory availability with your component supplier for lead time and quantity requirements.

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