XT424524 General Purpose Relay DPDT 24VAC 8A Equivalent & Substitute Parts

Part Overview

The XT424524 is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays, featuring a DPDT (2 Form C) contact configuration with 24VAC coil voltage and 8A contact rating. This relay is designed for socketable mounting applications with plug-in termination style. The product is currently obsolete, making identification of equivalent substitute parts essential for system maintenance, repair, and component sourcing in legacy equipment applications.

Substiute Parts

XT424524

TE Connectivity Potter & Brumfield RelaysIn Stock: 2370XT424524 Datasheet

Current PartRFQ

40.52.8.024.0000

Finder Relays, Inc.In Stock: 128240.52.8.024.0000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the XT424524 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Coil voltage: 24VAC
• Contact form: DPDT (2 Form C)
• Contact rating: 8 A minimum
• Switching voltage: 400VAC maximum or higher
• Mounting type: Socketable
• Termination style: Plug In
• Coil type: Non Latching
• Contact material: Silver Nickel (AgNi)

The substitute part 40.52.8.024.0000 manufactured by Finder Relays, Inc. meets all mandatory matching parameters. This part is functionally equivalent for direct replacement in applications requiring the specified electrical and mechanical characteristics.

Parameter Comparison

Engineering Selection Recommendations

The 40.52.8.024.0000 from Finder Relays, Inc. is a direct functional equivalent for the obsolete XT424524. Both parts are ROHS3 compliant and share identical electrical specifications for coil voltage, contact form, current rating, and switching voltage.

The substitute part offers the following advantages:

Active Product Status: The 40.52.8.024.0000 is currently in active production, ensuring long-term availability and supply chain continuity compared to the obsolete XT424524.

Enhanced Operating Temperature Range: The substitute operates across -40°C to 85°C, exceeding the original specification of -40°C to 70°C, providing broader environmental compatibility.

Improved Switching Performance: The substitute demonstrates faster operate time (7 ms versus 9 ms) and faster release time (3 ms versus 6 ms), resulting in improved response characteristics.

Sealed Construction: The substitute includes sealed flux protection, providing enhanced protection against environmental contamination compared to the original part.

International Certifications: The substitute carries multiple approval agencies including CCC, CSA, cURus, EAC, ENEC, RINA, and VDE, supporting broader global application requirements.

Regulatory Compliance: Both parts maintain ROHS3 compliance. The substitute carries REACH Unaffected status, confirming full regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can the 40.52.8.024.0000 directly replace the XT424524 in existing equipment?

A: Yes. Both relays share identical coil voltage (24VAC), contact form (DPDT), current rating (8A), switching voltage (400VAC maximum), mounting type (socketable), and termination style (plug-in). The substitute is mechanically and electrically compatible for direct replacement in applications designed for the XT424524.

Q: What are the differences in coil current between these parts?

A: The XT424524 draws 31.6 mA coil current, while the 40.52.8.024.0000 draws 45 mA. This difference reflects different coil design but does not affect functional compatibility. The higher coil current of the substitute must be accommodated by the control circuit power supply.

Q: Are there differences in operating voltage thresholds?

A: Yes. The XT424524 must operate at 18 VAC minimum and release at 3.6 VAC minimum. The 40.52.8.024.0000 requires 19.2 VAC minimum to operate and 4.8 VAC minimum to release. In applications with marginal voltage supplies, these differences may affect relay performance. Verify that the control circuit voltage remains above 19.2 VAC during normal operation.

Q: What is the significance of the sealed flux protection on the substitute?

A: The 40.52.8.024.0000 includes sealed flux protection, which prevents flux residue and contaminants from affecting contact performance. This feature enhances reliability in industrial environments but does not affect electrical compatibility with the original part.

Q: Are both parts RoHS compliant?

A: Yes. Both the XT424524 and 40.52.8.024.0000 are ROHS3 compliant. The substitute additionally carries REACH Unaffected status, confirming full regulatory alignment with current environmental standards.

Q: What is the packaging difference between these parts?

A: The XT424524 is supplied with standard packaging, while the 40.52.8.024.0000 is supplied in bulk packaging. This difference affects only procurement and storage considerations, not functional performance.

Q: Can the substitute operate in the same temperature range as the original?

A: The substitute operates across a wider temperature range (-40°C to 85°C) compared to the original (-40°C to 70°C). This extended range provides additional environmental flexibility for applications requiring operation at elevated temperatures.