Phoenix Contact 1781030 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1781030 is a 7-position terminal block plug with female sockets, 0.200" (5.08mm) pitch, designed for 180° free-hanging in-line applications. This component features screw termination with rising cage clamp technology and is rated for 12A (IEC) / 15A (UL) operation. The part is currently active in production with 1030 units in stock. Substitute parts are identified when equivalent electrical ratings, mechanical compatibility, and compliance certifications align with the original specification, enabling direct replacement in applications where the main part is unavailable or supply constraints exist.

Substiute Parts

1781030

Phoenix ContactIn Stock: 10791781030 Datasheet

Current PartRFQ

OSTTJ075153

On Shore Technology Inc.In Stock: 3044OSTTJ075153 Datasheet

SimilarRFQ

TJ0771560000G

Amphenol AnytekIn Stock: 2702TJ0771560000G Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Phoenix Contact 1781030 are qualified based on the following critical parameters:

• Position Count & Pitch: All substitutes maintain 7 positions with pitch spacing of 5.00-5.08mm, ensuring mechanical compatibility with mating connectors
• Termination Method: Screw-based termination with rising cage clamp technology is preserved across all substitutes
• Mounting Configuration: Free-hanging in-line orientation is maintained
• Electrical Ratings: Current and voltage ratings must meet or exceed the application requirements (minimum 12A IEC / 15A UL; minimum 300V)
• Wire Gauge Compatibility: Wire gauge ranges must accommodate the intended conductor sizes (12-30 AWG primary range)
• Compliance & Certifications: All substitutes maintain UL94 V-0 flammability rating, ROHS3 compliance, and EAR99 export classification
• Contact Finish & Housing Material: Tin-plated contacts and polyamide/thermoplastic housing materials ensure electrical and environmental performance equivalence

Parameter Comparison

Engineering Selection Recommendations

On Shore Technology OSTTJ075153: This substitute maintains identical pitch (5.08mm) and position count, with equivalent UL current rating (15A) and voltage rating (300V). Both parts are active products with ROHS3 compliance and UL94 V-0 flammability certification. Wire gauge compatibility spans 12-24 AWG, which covers the primary operating range of the original part. The screw termination method is functionally equivalent for field installation. This substitute is suitable for direct replacement in applications where the wire gauge requirement does not exceed 24 AWG.

Amphenol Anytek TJ0771560000G: This substitute features a 5.00mm pitch (0.197"), which is within acceptable mechanical tolerance for 5.08mm pitch applications. The 180° wire entry orientation matches the original specification. Both parts employ M3 screw termination with rising cage clamp technology and identical torque specifications (0.56 Nm). UL current rating is 12A, matching the IEC rating of the original part. Voltage rating (300V UL) and flammability certification (UL94 V-0) are equivalent. Wire gauge range (12-24 AWG) covers standard conductor sizes. This substitute is suitable for applications where the 5.00mm pitch tolerance is acceptable and wire gauge does not exceed 24 AWG.

Both substitutes are active products with full compliance certifications and adequate inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the On Shore Technology OSTTJ075153 be used as a direct replacement for the Phoenix Contact 1781030?

A: Yes, the OSTTJ075153 is a direct substitute. Both parts maintain 7 positions at 0.200" (5.08mm) pitch, screw termination, and equivalent electrical ratings (15A UL, 300V). Both are UL94 V-0 rated and ROHS3 compliant. The primary limitation is wire gauge compatibility: the OSTTJ075153 supports 12-24 AWG, while the original supports 12-30 AWG. If your application uses conductors larger than 24 AWG, the original part is required.

Q: What is the pitch tolerance between the 5.08mm and 5.00mm versions?

A: The Amphenol Anytek TJ0771560000G operates at 5.00mm pitch, a 0.08mm (0.003") difference from the 5.08mm specification. This tolerance is within typical mechanical clearance for terminal block mating interfaces. Compatibility depends on the receptacle connector specification; consult the mating connector datasheet to confirm pitch tolerance acceptance.

Q: Are all three parts suitable for the same voltage and current applications?

A: The Phoenix Contact 1781030 and On Shore Technology OSTTJ075153 both support 15A at 300V (UL rating). The Amphenol Anytek TJ0771560000G supports 12A at 300V (UL rating). For applications requiring 15A operation, the Amphenol part is rated at 12A and may not be suitable. For applications at or below 12A, all three parts are electrically equivalent at 300V.

Q: What are the screw torque specifications for each part?

A: Phoenix Contact 1781030 specifies 0.5-0.6 Nm (4.4-5.3 Lb-In). Both substitutes specify 0.56 Nm (5.0 Lb-In), which falls within the original torque range. Use the specified torque value for each part during installation.

Q: Are there wire gauge limitations when using substitute parts?

A: Yes. The original Phoenix Contact 1781030 supports 12-30 AWG (0.2-2.5mm²). The On Shore Technology OSTTJ075153 supports 12-24 AWG (0.34-2.5mm²), and the Amphenol Anytek TJ0771560000G supports 12-24 AWG (1-2.5mm²). If your application requires conductors larger than 24 AWG, only the original part is suitable.

Q: Do all parts have the same contact finish and housing material?

A: All three parts feature tin-plated contact mating finish. Housing materials differ: Phoenix Contact uses polyamide (PA) nylon, On Shore Technology uses brass, and Amphenol Anytek uses thermoplastic resin. These material differences do not affect electrical performance or compliance certifications for standard terminal block applications.

Q: What is the wire strip length requirement for each part?

A: Phoenix Contact 1781030 specifies 7mm wire strip length. On Shore Technology OSTTJ075153 specifies 7-8mm, and Amphenol Anytek TJ0771560000G specifies 7-8mm. These specifications are compatible for standard field termination practices.