Weidmüller 1851660000 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Weidmüller 1851660000 is a 23-position terminal block plug with female sockets, 0.200" (5.08mm) pitch, and 180° free-hanging (in-line) configuration. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system maintenance and new design implementations. The part operates within IEC and UL voltage and current specifications suitable for industrial control and power distribution applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	1851660000
Manufacturer	Weidmüller
Series	Omnimate BL
Category	Terminal Blocks
Type	Plug, Female Sockets
Number of Positions	23
Pitch	0.200" (5.08mm)
Plug Wire Entry	180°
Mounting Type	Free Hanging (In-Line)
Wire Gauge Range	12-26 AWG (0.2-2.5mm²)
Operating Temperature	-50°C ~ 100°C
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the 1851660000 is determined by the following critical parameters:

Connector Type & Configuration: Plug with female sockets, 23 positions, 0.200" (5.08mm) pitch
Mechanical Compatibility: 180° free-hanging (in-line) mounting orientation
Electrical Ratings: IEC and UL voltage/current specifications; wire gauge compatibility (12-26 AWG / 0.2-2.5mm²)
Environmental Specifications: Operating temperature range (-50°C ~ 100°C), material flammability rating (UL94 V-0)
Series Compatibility: Omnimate BL series

The substitute part 1014610000 maintains identical mechanical and electrical compatibility across all critical parameters while offering an active product status and enhanced electrical ratings.

Parameter Comparison

Parameter	1851660000 (Main Part)	1014610000 (Substitute)
Manufacturer	Weidmüller	Weidmüller
Series	Omnimate BL	Omnimate BL
Type	Plug, Female Sockets	Plug, Female Sockets
Number of Positions	23	23
Pitch	0.200" (5.08mm)	0.200" (5.08mm)
Plug Wire Entry	180°	180°
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)
Current - IEC	17A	24A
Voltage - IEC	400 V	400 V
Current - UL	15 A	18.5 A
Voltage - UL	300 V	300 V
Wire Gauge Range	12-26 AWG (0.2-2.5mm²)	12-26 AWG (0.2-2.5mm²)
Color	Orange	Orange
Operating Temperature	-50°C ~ 100°C	-50°C ~ 100°C
Contact Mating Finish	Tin	Tin
Material Flammability Rating	UL94 V-0	UL94 V-0
Contact Material	Copper Alloy	Copper Alloy
Housing Material	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)
Product Status	Obsolete	Active
RoHS Status	Not specified	RoHS Compliant
Ingress Protection	Not specified	IP20

Engineering Selection Recommendations

The 1014610000 is a direct functional substitute for the obsolete 1851660000. Both components share identical mechanical and electrical compatibility within the Omnimate BL series. The substitute part offers the following advantages:

Active Product Status: The 1014610000 maintains current manufacturing and supply chain availability, eliminating obsolescence risk.
Enhanced Electrical Ratings: Current capacity increases from 17A (IEC) / 15A (UL) to 24A (IEC) / 18.5A (UL), providing improved performance margin in equivalent applications.
Compliance Enhancement: RoHS compliance certification and IP20 ingress protection rating are provided with the substitute part.
Termination Technology: The substitute employs Leg Spring and Push-In Spring termination versus Tension Clamp in the original, maintaining functional equivalence while offering modern connection reliability.

Selection of the 1014610000 is appropriate for all applications previously served by the 1851660000 within the specified electrical and environmental parameters.

Frequently Asked Questions (FAQ)

Q: Can the 1014610000 directly replace the 1851660000 in existing installations?

A: Yes. Both parts maintain identical 23-position configuration, 0.200" (5.08mm) pitch, 180° free-hanging orientation, and wire gauge compatibility (12-26 AWG / 0.2-2.5mm²). Mechanical and electrical interface compatibility is preserved.

Q: What are the differences in termination style between these parts?

A: The 1851660000 uses Screwless - Spring Cage, Tension Clamp termination. The 1014610000 uses Screwless - Leg Spring, Push-In Spring termination. Both are screwless spring-based systems suitable for the same wire gauge range.

Q: Are there electrical rating differences that affect application suitability?

A: The 1014610000 provides higher current ratings (24A IEC / 18.5A UL versus 17A IEC / 15A UL). Voltage ratings remain identical at 400V (IEC) and 300V (UL). Applications operating within the original part's ratings remain fully compatible with the substitute.

Q: What is the significance of the IP20 ingress protection rating on the substitute part?

A: The 1014610000 specifies IP20 protection, indicating resistance to solid objects greater than 12mm and liquid splash. This specification was not provided for the original part. Both components are suitable for standard industrial control environments.

Q: Does the RoHS compliance status affect substitution decisions?

A: The 1014610000 is RoHS compliant, while the original part's RoHS status is not specified. For applications requiring RoHS compliance documentation, the substitute part provides explicit certification. This does not affect functional compatibility.

Q: Are both parts from the same manufacturer series?

A: Yes. Both the 1851660000 and 1014610000 belong to the Weidmüller Omnimate BL series, ensuring design and interface consistency.

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