HG2-AC115V-F Equivalent & Substitute Parts

Part Overview

The Panasonic Electric Works HG2-AC115V-F is a general purpose relay with DPDT (2 Form C) contact configuration rated for 20A at 115VAC coil voltage. This socketable relay is designed for standard industrial switching applications. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for system maintenance, repair, and redesign applications where the original component is no longer available.

Substiute Parts

HG2-AC115V-F

Panasonic Electric WorksIn Stock: 931HG2-AC115V-F Datasheet

Current PartRFQ

KUMP-11A18-24

TE Connectivity Potter & Brumfield RelaysIn Stock: 721KUMP-11A18-24 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HG2-AC115V-F is constrained by the following critical parameters:

Mandatory Matching Criteria:

• Contact form must be DPDT (2 Form C) to maintain circuit switching capability
• Mounting type must be socketable to ensure physical compatibility with existing relay bases
• Contact current rating must be equal to or greater than 20A
• Coil voltage determines circuit compatibility; substitutes with different coil voltages require circuit redesign

Allowable Variation Parameters:

• Switching voltage may differ if equal to or exceeding 250VAC nominal
• Operating temperature range may be wider than the original specification
• Coil current and resistance may vary within acceptable operating margins
• Contact material composition may differ while maintaining electrical performance
• Termination connector dimensions may vary if socketable compatibility is maintained

The identified substitute KUMP-11A18-24 presents a different coil voltage (24VAC versus 115VAC), which represents a functional alternative only in applications where circuit voltage can be modified or where a 24VAC supply is available. This part does not provide direct pin-compatible substitution without circuit modification.

Parameter Comparison

Engineering Selection Recommendations

The KUMP-11A18-24 is an active product from TE Connectivity Potter & Brumfield Relays, providing continued availability and supply chain stability compared to the obsolete HG2-AC115V-F.

Substitution Feasibility:

The KUMP-11A18-24 maintains the same contact form (DPDT) and socketable mounting configuration. However, direct substitution is limited by the following factors:

• Coil Voltage Difference: The 24VAC coil voltage requires circuit modification from the original 115VAC supply. This is not a direct replacement without external circuit changes.
• Contact Current Rating: The 15A rating is lower than the original 20A specification. Applications requiring the full 20A capacity cannot use this substitute without derating.
• Termination Connector Size: The 0.187" (4.7mm) quick connect differs from the original 0.250" (6.3mm), requiring mechanical adapter consideration or socket compatibility verification.
• RoHS Compliance: The KUMP-11A18-24 is RoHS3 compliant, whereas the HG2-AC115V-F status is not specified, providing regulatory advantage for new designs.

Selection of the KUMP-11A18-24 is appropriate only when circuit voltage can be modified to 24VAC and the 15A contact rating is sufficient for the application load.

Frequently Asked Questions (FAQ)

Q: Can the KUMP-11A18-24 be used as a direct replacement for the HG2-AC115V-F without circuit modification?

A: No. The KUMP-11A18-24 requires a 24VAC coil supply, whereas the HG2-AC115V-F operates on 115VAC. Direct substitution without circuit redesign is not possible.

Q: What is the significance of the different contact current ratings (20A vs. 15A)?

A: The HG2-AC115V-F is rated for 20A continuous contact current, while the KUMP-11A18-24 is rated for 15A. Applications requiring switching loads exceeding 15A cannot use the substitute without exceeding the component's electrical rating.

Q: Are the socketable mounting bases compatible between these two relays?

A: Both relays feature socketable mounting, but the termination connector dimensions differ (0.250" versus 0.187"). Socket compatibility must be verified with the specific relay base model before installation.

Q: What are the implications of the different contact materials?

A: The HG2-AC115V-F uses Silver Tin Oxide (AgSnO) contacts, while the KUMP-11A18-24 uses Silver Cadmium Oxide (AgCdO). Both materials are suitable for general purpose switching applications. Contact material selection affects arc resistance and contact life under specific load conditions.

Q: Does the KUMP-11A18-24 provide better temperature performance?

A: The KUMP-11A18-24 operates across a wider temperature range (-45°C to 55°C) compared to the HG2-AC115V-F (-50°C to 40°C). The substitute provides extended upper temperature capability but slightly reduced lower temperature performance.

Q: What is the operational speed difference between these relays?

A: The KUMP-11A18-24 operates faster, with 15ms operate time and 10ms release time, compared to 30ms for both parameters on the HG2-AC115V-F. Applications with timing-critical switching requirements should account for this difference.

Q: Is the KUMP-11A18-24 suitable for new product designs?

A: Yes. The KUMP-11A18-24 is an active product with RoHS3 compliance, making it appropriate for new designs where 24VAC supply is available and the 15A contact rating is acceptable.