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RY210024 General Purpose Relay SPDT 24VDC Equivalent & Substitute Parts
Part Overview
The RY210024 is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays, featuring a single pole double throw (SPDT) contact configuration with an 8A contact rating and 24VDC coil voltage. This relay is designed for through-hole mounting applications with sealed flux protection and silver cadmium oxide contact material.
The RY210024 carries an obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production and maintenance requirements for systems utilizing this relay.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Coil Voltage | 24VDC |
| Contact Form | SPDT (1 Form C) |
| Contact Rating (Current) | 8 A |
| Switching Voltage (Max) | 400VAC |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Coil Current | 10.2 mA |
| Coil Resistance | 2.35 kOhms |
| Operating Temperature Range | -40°C ~ 70°C |
| Seal Rating | Sealed - Flux Protection |
Substitute Part Grouping Explanation
Substitution of the RY210024 is determined by electrical and mechanical compatibility across the following critical parameters:
Electrical Compatibility Criteria:
- Coil voltage: 24VDC
- Contact form: SPDT (1 Form C)
- Contact rating: 8 A minimum
- Switching voltage: 400VAC maximum
- Coil current: 10.2 mA
- Coil resistance: 2.35 kOhms
- Operating temperature range: -40°C ~ 70°C
Mechanical Compatibility Criteria:
- Mounting type: Through hole
- Termination style: PC pin
- Seal rating: Sealed - flux protection
The RY211024 satisfies all electrical and mechanical compatibility requirements and is classified as a direct substitute for the obsolete RY210024. Both relays share identical coil specifications, contact ratings, switching characteristics, and physical mounting configurations.
Parameter Comparison
| Parameter | RY210024 (Main Part) | RY211024 (Substitute) |
|---|---|---|
| Manufacturer | TE Connectivity Potter & Brumfield Relays | TE Connectivity Potter & Brumfield Relays |
| Product Status | Obsolete | Active |
| Coil Voltage | 24VDC | 24VDC |
| Contact Form | SPDT (1 Form C) | SPDT (1 Form C) |
| Contact Rating (Current) | 8 A | 8 A |
| Switching Voltage (Max) | 400VAC | 400VAC |
| Coil Current | 10.2 mA | 10.2 mA |
| Coil Resistance | 2.35 kOhms | 2.35 kOhms |
| Must Operate Voltage | 16.8 VDC | 16.8 VDC |
| Must Release Voltage | 2.4 VDC | 2.4 VDC |
| Operate Time | 9 ms | 9 ms |
| Release Time | 5 ms | 5 ms |
| Operating Temperature Range | -40°C ~ 70°C | -40°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin |
| Seal Rating | Sealed - Flux Protection | Sealed - Flux Protection |
| Contact Material | Silver Cadmium Oxide (AgCdO) | Silver Nickel (AgNi) |
| Coil Type | Non Latching | Non Latching |
| Relay Type | General Purpose | General Purpose |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.41.0020 | 8536.41.0020 |
| RoHS Status | Not specified | ROHS3 Compliant |
| REACH Status | Not specified | REACH Unaffected |
Engineering Selection Recommendations
The RY211024 is the direct substitute for the obsolete RY210024. Both relays are manufactured by TE Connectivity Potter & Brumfield Relays and maintain identical electrical and mechanical specifications across all critical parameters.
The RY211024 offers the following advantages for new designs and replacement applications:
Product Status: The RY211024 carries active product status, ensuring long-term availability and supply chain continuity compared to the obsolete RY210024.
Regulatory Compliance: The RY211024 is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components in industrial and commercial applications.
Contact Material Difference: The RY211024 utilizes silver nickel (AgNi) contact material in place of the silver cadmium oxide (AgCdO) found in the RY210024. Both contact materials are suitable for general purpose relay applications with 8A contact ratings and 400VAC maximum switching voltage. The silver nickel contact material in the RY211024 aligns with modern environmental standards and provides equivalent electrical performance for the specified operating conditions.
Packaging: The RY211024 is available in bulk packaging, supporting both prototype and production volume requirements.
Frequently Asked Questions (FAQ)
Q: Can the RY211024 be used as a direct replacement for the RY210024 in existing designs?
A: Yes. The RY211024 is a direct substitute for the RY210024. Both relays share identical coil voltage (24VDC), contact form (SPDT), contact rating (8A), switching voltage (400VAC maximum), coil current (10.2 mA), coil resistance (2.35 kOhms), operating temperature range (-40°C to 70°C), mounting type (through hole), and termination style (PC pin). Electrical and mechanical compatibility is complete.
Q: What is the difference between the contact materials in these two relays?
A: The RY210024 uses silver cadmium oxide (AgCdO) contact material, while the RY211024 uses silver nickel (AgNi) contact material. Both materials are suitable for general purpose relay applications with 8A contact ratings and 400VAC maximum switching voltage. The silver nickel material in the RY211024 reflects current environmental standards and provides equivalent electrical performance for the specified operating conditions.
Q: Why is the RY210024 listed as obsolete?
A: The RY210024 has reached end-of-life status. The RY211024 is the active replacement part that maintains all functional and electrical specifications while offering improved regulatory compliance and supply chain availability.
Q: Are there any differences in operating characteristics between the RY210024 and RY211024?
A: No. Both relays share identical operating characteristics including must operate voltage (16.8 VDC), must release voltage (2.4 VDC), operate time (9 ms), and release time (5 ms).
Q: What is the packaging difference between these relays?
A: The RY210024 is specified with standard packaging, while the RY211024 is available in bulk packaging. Both packaging options support component procurement for prototype development and production manufacturing.
Q: Are there any compliance or certification differences?
A: The RY211024 is ROHS3 compliant and REACH unaffected. The RY210024 compliance status is not specified. For applications requiring environmental compliance certification, the RY211024 is the appropriate selection.
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