HC3-L-DC24V-D-F Equivalent & Substitute Parts

Part Overview

The HC3-L-DC24V-D-F is a general purpose relay manufactured by Panasonic Electric Works with a 3PDT (3 Form C) contact configuration and 24VDC coil voltage. This socketable relay is rated for 7A at 250VAC maximum switching voltage and includes integrated diode and lighted indicator features. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance and component replacement in existing installations.

Substiute Parts

HC3-L-DC24V-D-F

Panasonic Electric WorksIn Stock: 1002HC3-L-DC24V-D-F Datasheet

Current PartRFQ

LY3N-DC24

Omron Automation and SafetyIn Stock: 924LY3N-DC24 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HC3-L-DC24V-D-F is determined by the following critical parameters that must remain consistent:

• Contact Form: 3PDT (3 Form C) configuration
• Coil Voltage: 24VDC
• Mounting Type: Socketable
• Termination Style: Plug In configuration
• Relay Type: General Purpose
• Coil Type: Non Latching

The LY3N-DC24 manufactured by Omron Automation and Safety satisfies these core substitution criteria. While the substitute part exhibits higher contact current rating (10A versus 7A) and broader switching voltage capability (250VAC and 125VDC), these represent functional enhancements that maintain backward compatibility with the original circuit requirements. The substitute operates within the same coil voltage and activation parameters, ensuring proper integration into existing control circuits.

Parameter Comparison

Engineering Selection Recommendations

The LY3N-DC24 is an active product from Omron Automation and Safety and represents the primary substitute for the obsolete HC3-L-DC24V-D-F. Both relays share identical coil voltage (24VDC), contact form (3PDT), and activation thresholds (19.2VDC must operate, 2.4VDC must release), ensuring functional compatibility in existing circuits.

The LY3N-DC24 carries RoHS Compliance and REACH Unaffected status, meeting current environmental and regulatory requirements. The substitute part's higher contact current rating (10A) and extended switching voltage range (125VDC capability) provide enhanced performance margins without introducing incompatibility.

Temperature operating range differs between the parts: the original HC3-L-DC24V-D-F operates from -50°C to 60°C, while the LY3N-DC24 operates from -25°C to 55°C. Applications requiring operation below -25°C must account for this limitation.

Frequently Asked Questions (FAQ)

Q: Can the LY3N-DC24 directly replace the HC3-L-DC24V-D-F in existing installations?

A: Yes. Both relays share identical 24VDC coil voltage, 3PDT contact configuration, socketable mounting, and plug-in termination. The activation voltage thresholds (19.2VDC operate, 2.4VDC release) are identical, ensuring proper circuit operation.

Q: What are the key differences between these relays?

A: The LY3N-DC24 has higher contact current rating (10A versus 7A), broader switching voltage capability (includes 125VDC), higher coil current draw (58.6mA versus 37mA), and slightly longer switching times (25ms versus 20ms). The operating temperature range is narrower (-25°C to 55°C versus -50°C to 60°C).

Q: Are there packaging or pin configuration differences?

A: Both relays use plug-in termination with socketable mounting. The HC3-L-DC24V-D-F specifies 11-pin configuration. Verify socket compatibility before installation.

Q: Does the substitute meet current compliance standards?

A: The LY3N-DC24 is RoHS Compliant and REACH Unaffected. Both parts carry EAR99 ECCN classification.

Q: What applications require the lower temperature range of the original part?

A: Applications operating below -25°C require the HC3-L-DC24V-D-F's extended temperature range (-50°C minimum). The LY3N-DC24 is limited to -25°C minimum operation.