ADJH22124 General Purpose Relay SPST-NO 24VDC 50A

Part Overview

The ADJH22124 is a general purpose relay manufactured by Panasonic Electric Works, classified as a Single Pole Single Throw Normally Open (SPST-NO) configuration with a 24VDC coil and 50A contact rating. This relay is designed for through-hole mounting applications requiring sealed, flux-protected operation in industrial control circuits. The product maintains active status with 834 units in current inventory. Alternative models become necessary when addressing specific application constraints such as inventory availability, compliance requirements, or design revision cycles while maintaining identical electrical and mechanical performance specifications.

Substiute Parts

ADJH22124

Panasonic Electric WorksIn Stock: 922ADJH22124 Datasheet

Current PartRFQ

ADJH21124

Panasonic Electric WorksIn Stock: 829ADJH21124 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The ADJH21124 qualifies as a parametric equivalent to the ADJH22124 based on strict alignment across all critical electrical and mechanical parameters. Substitution eligibility is determined by matching the following parameters:

• Coil voltage: 24VDC
• Contact form: SPST-NO (1 Form A)
• Contact rating: 50 A
• Switching voltage maximum: 480VAC
• Maximum switching load: 24000VA
• Mounting type: Through hole
• Termination style: PC pin
• Seal rating: Sealed - Flux protection
• Operating temperature range: -40°C ~ 85°C
• Contact material: Silver Tin Oxide (AgSnO)
• Coil type: Latching, Single Coil
• Coil resistance: 576 Ohms
• Coil current: 41.7 mA
• Must operate voltage: 18 VDC
• Operate time: 20 ms
• Release time: 20 ms
• Approval agencies: cURus, VDE

The ADJH21124 maintains identical performance characteristics across all specified parameters, confirming direct substitutability within the ADJH series.

Parameter Comparison

Engineering Selection Recommendations

Both the ADJH22124 and ADJH21124 maintain active product status with full regulatory compliance. The ADJH22124 carries RoHS Compliant certification, while the ADJH21124 carries ROHS3 Compliant certification, indicating enhanced compliance with current environmental directives. Both parts hold cURus and VDE approvals, confirming suitability for industrial control applications. Selection between these parts should be based on inventory availability and specific compliance requirements of the target application. The ADJH22124 currently maintains higher inventory levels at 834 units compared to 748 units for the ADJH21124.

Frequently Asked Questions (FAQ)

Q: Can ADJH21124 be used as a direct replacement for ADJH22124?

A: Yes. The ADJH21124 is a parametric equivalent with identical electrical and mechanical specifications across all critical parameters including coil voltage, contact rating, switching characteristics, and operating temperature range.

Q: Are there differences in regulatory compliance between these parts?

A: Both parts carry cURus and VDE approvals. The ADJH22124 is RoHS Compliant, while the ADJH21124 is ROHS3 Compliant. ROHS3 represents current environmental compliance standards. Selection depends on application-specific compliance requirements.

Q: What determines substitutability for ADJH series relays?

A: Substitutability is determined by matching coil voltage, contact form, contact rating, switching voltage, maximum switching load, mounting type, termination style, seal rating, operating temperature range, contact material, coil type, coil resistance, coil current, must operate voltage, and timing specifications.

Q: Are there inventory considerations for selecting between these parts?

A: The ADJH22124 currently maintains 834 units in stock, while the ADJH21124 maintains 748 units. Inventory availability may influence selection for high-volume applications.

Q: Do these relays require any special handling or storage considerations?

A: Both parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control requirements during storage or handling.