Weidmüller 1786660000 Terminal Block - Equivalent & Substitute Parts

Part Overview

The Weidmüller 1786660000 is a 9-position wire-to-board terminal block designed for vertical PCB mounting with 0.300" (7.62mm) pitch spacing. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations. The terminal block accommodates wire gauges from 10-22 AWG with a rated current capacity of 30 A and voltage rating of 300 V, utilizing screw-based TOP clamp wire termination.

Substiute Parts

1786660000

WeidmüllerIn Stock: 10451786660000 Datasheet

Current PartRFQ

1571700000

WeidmüllerIn Stock: 7881571700000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Weidmüller 1786660000 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Series designation (TOP4GS)
• Number of positions (9)
• Pitch spacing (0.300" / 7.62mm)
• Mating orientation (Vertical with Board)
• Mounting type (Through Hole)
• Wire termination method (Screw - TOP Clamp)
• Screw thread specification (M3)
• Torque range (0.5-0.6 Nm)

Allowable Variation Parameters:

• Wire gauge range (10-22 AWG minimum; 10-26 AWG acceptable if broader)
• Operating temperature range (minimum -20°C; maximum 100°C or higher acceptable)
• Housing material composition (Polyamide variants acceptable)
• Contact plating composition (Copper-based with Tin plating acceptable)
• Color designation (functional parameter only)

The substitute part 1571700000 meets all mandatory matching criteria while providing extended wire gauge accommodation (10-26 AWG) and expanded operating temperature range (-50°C ~ 100°C).

Parameter Comparison

Engineering Selection Recommendations

The Weidmüller 1571700000 is a direct functional substitute for the obsolete 1786660000 model. Both components share identical electrical ratings (30 A, 300 V), mechanical configuration (9 positions, 7.62mm pitch), and termination methodology (M3 screw clamp).

The substitute part 1571700000 provides the following advantages:

• Active product status ensures ongoing availability and manufacturer support
• RoHS compliance certification for regulatory alignment with current environmental standards
• Extended operating temperature range (-50°C to 100°C versus -20°C to 100°C) accommodates broader thermal environments
• Expanded wire gauge accommodation (10-26 AWG versus 10-22 AWG) provides flexibility for varied conductor sizes within the same footprint

Both components maintain identical through-hole PCB mounting specifications, screw torque requirements, and electrical performance characteristics. The substitute part is suitable for direct replacement in applications where the original 1786660000 was specified.

Frequently Asked Questions (FAQ)

Q: Can the 1571700000 be used as a direct replacement for the 1786660000 in existing designs?

A: Yes. Both components share identical pitch spacing (7.62mm), position count (9), mounting type (through hole), and electrical ratings (30 A, 300 V). The PCB footprint and wire termination method are functionally equivalent.

Q: What is the significance of the extended wire gauge range in the substitute part?

A: The 1571700000 accommodates wire gauges from 10-26 AWG, compared to 10-22 AWG for the original part. This broader range allows the substitute to accept larger conductor cross-sections (down to 26 AWG) while maintaining the same clamp mechanism and screw torque specification.

Q: Does the operating temperature range difference affect substitution suitability?

A: The substitute part's extended lower temperature limit (-50°C versus -20°C) represents an enhancement. Applications operating within the original -20°C to 100°C range are fully compatible. Applications requiring operation below -20°C benefit from the substitute's expanded thermal capability.

Q: Are there packaging differences between these parts?

A: The original 1786660000 is specified with packaging designation "-" (not detailed). The substitute 1571700000 is supplied in bulk packaging. Verify packaging requirements for your procurement and assembly processes.

Q: What compliance certifications apply to the substitute part?

A: The 1571700000 carries RoHS compliance certification. Both parts maintain REACH Unaffected status and EAR99 export classification. Verify compliance requirements for your specific application and regulatory jurisdiction.

Q: Are the screw specifications identical between both parts?

A: Yes. Both components use M3 screw threads with identical torque specifications of 0.5-0.6 Nm (4.4-5.3 Lb-In). Assembly procedures and torque application remain unchanged.