Equivalent & Substitute Parts for Weidmüller 1554510000

Part Overview

The Weidmüller 1554510000 is a 20-position terminal block plug with female sockets, 0.200" (5.08mm) pitch, and 90° free-hanging wire entry configuration. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations. The part operates within IEC and UL electrical standards with screw-clamping termination suitable for industrial control and power distribution applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	1554510000
Manufacturer	Weidmüller
Category	Terminal Blocks
Series	Omnimate BL
Product Status	Obsolete
Type	Plug, Female Sockets
Number of Positions	20
Pitch	0.200" (5.08mm)
Plug Wire Entry	90°
Termination Style	Screw - Clamping Yoke (Tension Sleeve)
Mounting Type	Free Hanging (In-Line)
Current - IEC	15A
Voltage - IEC	400 V
Current - UL	10 A
Voltage - UL	300 V
Wire Gauge Range - AWG	12-26 AWG
Wire Gauge Range - mm²	0.2-2.5mm²
Operating Temperature	-50°C ~ 100°C
Screw Size	M2.5
Torque - Screw	0.4-0.5 Nm (4.6-4.4 Lb-In)
Material Flammability Rating	UL94 V-0
Contact Material	Copper Alloy
Housing Material	Polybutylene Terephthalate (PBT)

Substitute Part Grouping Explanation

Substitution eligibility for the Weidmüller 1554510000 is determined by the following critical parameters:

Primary Compatibility Criteria:

20-position configuration with 0.200" (5.08mm) pitch spacing
Female socket type for plug mating
Free-hanging (in-line) mounting orientation
Screw-based termination mechanism
Electrical ratings meeting or exceeding IEC 15A/400V and UL 10A/300V specifications
Wire gauge accommodation of 12-26 AWG minimum range
Operating temperature range encompassing -50°C to 100°C
M2.5 screw size with compatible torque specifications

Identified Substitutes:

Weidmüller 1948420000 (Direct Manufacturer Substitute) – Active product status with enhanced electrical ratings (IEC 23A, UL 20A) and expanded wire gauge range (12-30 AWG, 0.2-4mm²). Maintains identical pitch, termination style, and mechanical configuration. Represents the current-generation equivalent within the Omnimate BL series.
On Shore Technology Inc. OSTVM205551 (Similar Manufacturer Substitute) – Active product with comparable 20-position, 5.08mm pitch configuration. Differs in wire entry angle (180° straight vs. 90° angled), termination mechanism (pressure clip vs. clamping yoke), and contact material (steel vs. copper alloy). Suitable where mechanical form factor and wire entry orientation are compatible with system design.

Parameter Comparison

Parameter	1554510000 (Main)	1948420000 (Weidmüller)	OSTVM205551 (On Shore)
Manufacturer	Weidmüller	Weidmüller	On Shore Technology Inc.
Product Status	Obsolete	Active	Active
Number of Positions	20	20	20
Pitch	0.200" (5.08mm)	0.200" (5.08mm)	0.200" (5.08mm)
Type	Plug, Female Sockets	Plug, Female Sockets	Plug, Female Sockets
Plug Wire Entry	90°	90°	180°
Termination Style	Screw - Clamping Yoke (Tension Sleeve)	Screw - Clamping Yoke (Tension Sleeve)	Screw - Pressure Clip
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Current - IEC	15A	23A	—
Voltage - IEC	400 V	400 V	—
Current - UL	10 A	20 A	20 A
Voltage - UL	300 V	300 V	300 V
Wire Gauge - AWG	12-26 AWG	12-30 AWG	12-22 AWG
Wire Gauge - mm²	0.2-2.5mm²	0.2-4mm²	—
Operating Temperature	-50°C ~ 100°C	-50°C ~ 100°C	-30°C ~ 105°C
Screw Size	M2.5	M2.5	M2.5
Torque - Screw	0.4-0.5 Nm	0.4-0.5 Nm	0.4 Nm
Material Flammability Rating	UL94 V-0	UL94 V-0	UL94 V-0
Contact Material	Copper Alloy	Copper Alloy	Steel
Housing Material	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Thermoplastic
RoHS Status	—	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Weidmüller 1948420000 is the primary substitute for the obsolete 1554510000. Both components share identical mechanical and electrical architecture within the Omnimate BL series. The 1948420000 maintains active product status with full manufacturing support, RoHS compliance, and enhanced electrical performance (IEC 23A vs. 15A, UL 20A vs. 10A). The expanded wire gauge accommodation (12-30 AWG vs. 12-26 AWG) provides greater application flexibility. Mechanical compatibility is complete: identical pitch, termination mechanism, screw specifications, and mounting configuration. This substitute is suitable for direct replacement in existing designs and new implementations.

On Shore Technology Inc. OSTVM205551 serves as an alternative where system design accommodates mechanical differences. The 180° straight wire entry orientation differs from the 1554510000's 90° angled configuration, requiring verification of physical installation space and wire routing compatibility. The pressure clip termination mechanism differs from the clamping yoke design, affecting installation procedures and torque specifications. Wire gauge range (12-22 AWG) is narrower than the original specification. Contact material composition (steel vs. copper alloy) and housing material (thermoplastic vs. PBT) represent material substitutions. This component maintains UL94 V-0 flammability rating and UL electrical compliance. Selection of OSTVM205551 requires explicit confirmation that mechanical form factor and termination method are compatible with system requirements.

Frequently Asked Questions (FAQ)

Q: Can the Weidmüller 1948420000 directly replace the 1554510000 in existing installations?

A: Yes. The 1948420000 maintains identical pitch (5.08mm), position count (20), wire entry angle (90°), termination style (screw clamping yoke), and mounting configuration (free-hanging in-line). Electrical ratings are equal or superior. No mechanical or electrical modifications are required.

Q: What are the key differences between the 1554510000 and OSTVM205551?

A: Wire entry orientation differs (90° vs. 180°), affecting physical installation geometry. Termination mechanism differs (clamping yoke vs. pressure clip), requiring different installation procedures and torque application. Wire gauge range is narrower (12-22 AWG vs. 12-26 AWG). Contact material differs (steel vs. copper alloy). These differences require system-level compatibility assessment before selection.

Q: Are both substitute parts RoHS compliant?

A: The Weidmüller 1948420000 is RoHS Compliant. The On Shore Technology Inc. OSTVM205551 is ROHS3 Compliant. Both meet current regulatory requirements for restricted substance elimination.

Q: What is the wire gauge accommodation difference between the main part and substitutes?

A: The 1554510000 accommodates 12-26 AWG (0.2-2.5mm²). The 1948420000 accommodates 12-30 AWG (0.2-4mm²), providing expanded range. The OSTVM205551 accommodates 12-22 AWG, which is narrower than the original specification.

Q: Can the OSTVM205551 be used in applications requiring 90° wire entry?

A: No. The OSTVM205551 features 180° straight wire entry. Applications requiring 90° angled wire entry must use the 1554510000 or 1948420000. Physical installation space and wire routing compatibility must be verified before component selection.

Q: What is the current rating difference between the 1554510000 and 1948420000?

A: IEC current rating increases from 15A to 23A. UL current rating increases from 10A to 20A. Both maintain 400V (IEC) and 300V (UL) voltage specifications. The 1948420000 provides enhanced current capacity for higher-load applications.

Q: Are screw torque specifications identical across all three parts?

A: The 1554510000 and 1948420000 specify 0.4-0.5 Nm (4.6-4.4 Lb-In). The OSTVM205551 specifies 0.4 Nm (4.6 Lb-In). The OSTVM205551 torque specification is lower, requiring adjustment of installation procedures if selected.

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