Weidmüller 1637000000 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Weidmüller 1637000000 is a 13-position terminal block plug with female sockets, 5.00mm pitch, and 90° wire entry orientation. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new designs requiring compatible connectivity solutions. The plug features screw-clamping termination, free-hanging mounting, and operates across industrial voltage and current specifications.

Key Parameters

Parameter	Value
Number of Positions	13
Pitch	0.197" (5.00mm)
Wire Entry Orientation	90°
Termination Style	Screw - Clamping Yoke (Tension Sleeve)
Mounting Type	Free Hanging (In-Line)
Wire Gauge Range	12-26 AWG (0.5-2.5mm²)
Current Rating (IEC)	15A
Voltage Rating (IEC)	400V
Operating Temperature	-50°C to 100°C
Material Flammability	UL94 V-0
Screw Size	M2.5

Substitute Part Grouping Explanation

Substitution eligibility for the Weidmüller 1637000000 is determined by the following critical parameters:

Position Count & Pitch: 13 positions at 0.197" (5.00mm) spacing
Wire Entry Orientation: 90° configuration for in-line free-hanging installation
Termination Method: Screw-based clamping mechanism
Electrical Ratings: Minimum 15A (IEC) / 10A (UL) current capacity and 400V (IEC) / 300V (UL) voltage tolerance
Wire Gauge Compatibility: Support for 12-26 AWG conductor sizes
Mounting Configuration: Free-hanging in-line orientation
Flammability Compliance: UL94 V-0 rating

Direct Substitute (Weidmüller 1958540000): Meets all critical parameters with enhanced electrical ratings (23A IEC / 20A UL) and expanded wire gauge support (12-30 AWG / 0.2-4mm²). Active product status with RoHS compliance.

Similar Substitute (On Shore Technology OSTVM135551): Maintains 13-position configuration and free-hanging mounting but differs in pitch tolerance (5.08mm vs 5.00mm), wire entry angle (180° vs 90°), and termination method (pressure clip vs clamping yoke). Suitable only where mechanical and electrical specifications permit these variations.

Parameter Comparison

Parameter	1637000000 (Main)	1958540000 (Direct)	OSTVM135551 (Similar)
Manufacturer	Weidmüller	Weidmüller	On Shore Technology Inc.
Number of Positions	13	13	13
Pitch	0.197" (5.00mm)	0.197" (5.00mm)	0.200" (5.08mm)
Wire Entry Orientation	90°	90°	180°
Termination Style	Screw - Clamping Yoke	Screw - Clamping Yoke	Screw - Pressure Clip
Mounting Type	Free Hanging (In-Line)	Free Hanging (In-Line)	Free Hanging (In-Line)
Wire Gauge (AWG)	12-26	12-30	12-22
Wire Gauge (mm²)	0.5-2.5	0.2-4	Not specified
Current - IEC	15A	23A	Not specified
Current - UL	10A	20A	20A
Voltage - IEC	400V	400V	Not specified
Voltage - UL	300V	300V	300V
Operating Temperature	-50°C to 100°C	-50°C to 100°C	-30°C to 105°C
Color	Black	Black	Green
Contact Material	Copper Alloy	Copper Alloy	Steel
Housing Material	Polybutylene Terephthalate (PBT)	Polybutylene Terephthalate (PBT)	Thermoplastic
Material Flammability	UL94 V-0	UL94 V-0	UL94 V-0
Screw Size	M2.5	M2.5	M2.5
Torque - Screw	0.4-0.5 Nm	0.4-0.5 Nm	0.4 Nm
Product Status	Obsolete	Active	Active
RoHS Status	Not specified	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement: Weidmüller 1958540000 is the primary substitute. It maintains identical pitch, wire entry orientation, and termination methodology while providing superior electrical ratings (23A IEC vs 15A IEC) and expanded wire gauge compatibility (0.2-4mm² vs 0.5-2.5mm²). Active product status ensures long-term availability and supply chain continuity. RoHS compliance supports modern regulatory requirements.

For Constrained Applications: On Shore Technology OSTVM135551 serves applications where pitch tolerance of ±0.08mm and 180° wire entry orientation are acceptable. This substitute is suitable only when mechanical redesign or connector repositioning is feasible. The pressure-clip termination and steel contact material differ from the original specification and must be evaluated against application requirements.

Compliance Considerations: Both substitutes maintain UL94 V-0 flammability rating and M2.5 screw specifications. The 1958540000 offers superior compliance posture with RoHS certification. Temperature operating ranges remain compatible across all three parts for standard industrial applications.

Frequently Asked Questions (FAQ)

Q: Can Weidmüller 1958540000 directly replace 1637000000 without modification?

A: Yes. The 1958540000 maintains identical pitch (5.00mm), wire entry angle (90°), and termination style (screw-clamping yoke). Electrical ratings are higher, making it a direct upgrade. No mechanical redesign is required.

Q: What are the key differences between the direct substitute and the similar substitute?

A: The Weidmüller 1958540000 matches the original in pitch and wire entry orientation. The On Shore OSTVM135551 differs in pitch (5.08mm vs 5.00mm), wire entry (180° vs 90°), and termination method (pressure clip vs clamping yoke). These differences require mechanical evaluation before substitution.

Q: Is the On Shore OSTVM135551 electrically compatible?

A: The OSTVM135551 meets UL voltage and current specifications (300V, 20A UL) but lacks IEC rating data. Pitch tolerance of ±0.08mm may cause mechanical fit issues in existing connector housings. Electrical compatibility alone does not guarantee mechanical interchangeability.

Q: Why is the main part obsolete?

A: Product obsolescence reflects manufacturer discontinuation. The Weidmüller 1958540000 represents the active successor, offering enhanced specifications and modern compliance certifications.

Q: Are there packaging considerations for bulk orders?

A: The 1637000000 is listed as obsolete with no active packaging designation. Both substitutes are available in bulk packaging, supporting production-scale requirements.

Q: What is the wire strip length requirement?

A: Both Weidmüller parts specify 7mm wire strip length. The On Shore OSTVM135551 specifies 6-7mm, providing slight flexibility in termination preparation.

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