Phoenix Contact 1752043 Terminal Block Plug - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 1752043 is a 4-position terminal block plug with 0.200" (5.08mm) pitch spacing, designed for screw termination applications. This component is classified as obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations. The part operates at 10A (UL) and 300V (UL), suitable for industrial control and power distribution applications requiring secure screw-based wire connections.

Substiute Parts

1752043

Phoenix ContactIn Stock: 10091752043 Datasheet

Current PartRFQ

1757035

Phoenix ContactIn Stock: 27761757035 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Phoenix Contact 1752043 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

• Pitch spacing: 0.200" (5.08mm) — ensures mechanical fit with mating connectors
• Number of positions: 4 — maintains circuit configuration
• Termination style: Screw-based — preserves installation methodology
• Connector type: Plug configuration — ensures proper mating orientation
• Voltage rating: Minimum 300V (UL) — maintains electrical safety margin
• Current rating: Minimum 10A (UL) — supports load requirements
• Wire gauge compatibility: Overlap with 14-30 AWG range — ensures wire termination capability
• Screw size: M3 — maintains tooling and torque specifications

The Phoenix Contact 1757035 qualifies as a substitute based on these parameters. While it operates in the COMBICON MSTB series (versus the original STB series), it maintains all mandatory compatibility criteria and offers enhanced electrical ratings and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The Phoenix Contact 1757035 is the qualified substitute for the obsolete 1752043 based on the following engineering criteria:

Compliance and Availability: The 1757035 maintains active product status with 2764 units in stock, compared to the 1752043's obsolete classification. Both components meet RoHS compliance requirements, with the substitute offering ROHS3 Compliant status and REACH Unaffected designation, providing enhanced regulatory alignment for current manufacturing standards.

Electrical Performance: The substitute provides superior electrical ratings (15A UL versus 10A UL) while maintaining the required 300V UL voltage specification. This increased current capacity provides design margin without compromising the original application requirements.

Mechanical Compatibility: Both components share identical pitch spacing (5.08mm), position count (4), screw size (M3), and connector orientation. The substitute's rising cage clamp termination style and retention latches (non-wire side) enhance connection reliability compared to standard screw termination.

Wire Gauge Accommodation: The 1757035 expands wire gauge compatibility to 12-30 AWG (versus 14-30 AWG), accommodating larger conductor sizes while maintaining full backward compatibility with the original specification range.

Frequently Asked Questions (FAQ)

Q: Can the 1757035 directly replace the 1752043 in existing applications?

A: Yes. Both components share the critical compatibility parameters: 4-position configuration, 5.08mm pitch spacing, M3 screw termination, and 300V UL voltage rating. The substitute's enhanced 15A current rating and active product status make it suitable for direct substitution in applications originally designed for the 1752043.

Q: What is the difference between the STB and MSTB series designations?

A: The 1752043 belongs to the COMBICON STB series, while the 1757035 is part of the COMBICON MSTB series. Both series utilize identical 5.08mm pitch spacing and screw termination methodology. The MSTB series represents a more current product line with enhanced features including rising cage clamp termination and retention latches.

Q: Are there wire gauge considerations when substituting?

A: The 1757035 accommodates wire gauges from 12-30 AWG, compared to the original 14-30 AWG specification. This expanded range allows use of larger conductors (12 AWG and 13 AWG) if required by system design, while maintaining full compatibility with the original 14-30 AWG range.

Q: What is the significance of the rising cage clamp termination in the 1757035?

A: The rising cage clamp mechanism in the 1757035 provides improved wire retention and connection reliability compared to standard screw termination. This feature reduces the risk of wire displacement during thermal cycling or vibration exposure, common in industrial control environments.

Q: How do the wire strip lengths differ between these components?

A: The 1752043 specifies 8mm wire strip length, while the 1757035 requires 7mm. This 1mm difference is within standard installation tolerance and does not affect substitution feasibility. Technicians should adjust wire preparation procedures accordingly during installation.

Q: Are both components RoHS compliant?

A: Yes. The 1752043 is RoHS Compliant, and the 1757035 is ROHS3 Compliant. The ROHS3 designation on the substitute reflects compliance with the most current RoHS directive requirements, providing enhanced regulatory alignment for new designs and manufacturing operations.