Equivalent & Substitute Parts for Weidmüller 1851290000

Part Overview

The Weidmüller 1851290000 is a Position Terminal Block designated as BLZ 5.08/11/180LR SN OR BX. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain system functionality and ensure continued availability for new designs and maintenance applications. The substitute part identified maintains electrical and mechanical compatibility through matching pitch, position count, and termination specifications.

Substiute Parts

1851290000

WeidmüllerIn Stock: 12241851290000 Datasheet

Current PartRFQ

1944920000

WeidmüllerIn Stock: 11821944920000 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 1944920000 is qualified as a direct equivalent based on the following critical parameters:

• Pitch: 0.200" (5.08mm) — matches the main part specification
• Position Count: 11 positions — identical configuration
• Plug Orientation: 180° Free Hanging (In-Line) — maintains mechanical compatibility
• Termination Style: Screw - Clamping Yoke (Tension Sleeve) — compatible connection method
• Electrical Ratings: IEC 23A @ 400V and UL 20A @ 300V — suitable for equivalent applications
• Wire Gauge Compatibility: 12-30 AWG (0.2-4mm²) — supports standard conductor sizes
• Compliance: RoHS Compliant, REACH Unaffected — meets regulatory requirements

Parameter Comparison

Engineering Selection Recommendations

The Weidmüller 1944920000 is the qualified substitute for the obsolete 1851290000. Selection of this active part ensures:

• Continued component availability from current manufacturing inventory
• Maintained compliance with RoHS and REACH regulatory frameworks
• Equivalent electrical performance within specified IEC and UL ratings
• Mechanical compatibility through identical pitch and position configuration
• Compatibility with standard wire gauges and termination practices

The transition from the obsolete part to the active substitute does not introduce compatibility constraints for applications within the specified electrical and mechanical parameters.

Frequently Asked Questions (FAQ)

Q: What makes the 1944920000 a suitable substitute for the 1851290000?

A: Both parts share critical specifications: 11-position configuration, 5.08mm pitch, 180° orientation, and screw-clamping termination. The substitute is an active product with current manufacturing support and equivalent regulatory compliance.

Q: Are there any mechanical compatibility concerns when substituting these parts?

A: No. The identical pitch (5.08mm), position count (11), and plug orientation (180° free hanging) ensure direct mechanical compatibility in existing installations and new designs.

Q: What are the electrical limits of the substitute part?

A: The 1944920000 is rated for 23A @ 400V (IEC) and 20A @ 300V (UL). Applications must operate within these specified limits.

Q: Does the substitute part support the same wire gauge range?

A: Yes. The 1944920000 accommodates 12-30 AWG (0.2-4mm²) conductors, supporting standard industrial wiring practices.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the main part and substitute are RoHS Compliant and REACH Unaffected, meeting current regulatory requirements.

Q: What is the packaging format for the substitute part?

A: The 1944920000 is supplied in Bulk packaging, suitable for production and maintenance applications.