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CSL-38-31010 Equivalent & Substitute Parts
Part Overview
The CSL-38-31010 is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays, configured as a DPDT (2 Form C) with a 24VDC coil and 10A contact rating. This socketable, 8-pin octal relay is designed for general purpose switching applications with maximum switching capacity of 1200VA at 120VAC or 280W at 28VDC.
The CSL-38-31010 carries an obsolete product status. Identifying equivalent substitute parts is necessary to maintain system functionality, ensure continued availability for maintenance and repair operations, and support legacy equipment requiring compatible relay solutions.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Coil Voltage | 24VDC |
| Contact Form | DPDT (2 Form C) |
| Contact Rating (Current) | 10 A |
| Termination Style | Plug In, 8 Pin (Octal) |
| Mounting Type | Socketable |
| Coil Type | Non Latching |
| Operate Time | 25 ms |
| Relay Type | General Purpose |
Substitute Part Grouping Explanation
Substitute parts for the CSL-38-31010 are identified based on strict electrical and mechanical compatibility criteria. The following parameters must align for a part to function as a direct substitute:
Critical Matching Parameters:
- Coil Voltage: 24VDC
- Contact Form: DPDT (2 Form C)
- Contact Rating (Current): 10 A
- Termination Style: Plug In, 8 Pin (Octal)
- Mounting Type: Socketable
- Coil Type: Non Latching
- Operate Time: 25 ms
The RR2P-UDC24V from IDEC meets all critical electrical and mechanical parameters required for substitution. Both relays share identical coil voltage, contact configuration, current rating, termination style, and operating characteristics, enabling direct functional replacement in socketable relay applications.
Parameter Comparison
| Parameter | CSL-38-31010 (TE Connectivity) | RR2P-UDC24V (IDEC) |
|---|---|---|
| Coil Voltage | 24VDC | 24VDC |
| Contact Form | DPDT (2 Form C) | DPDT (2 Form C) |
| Contact Rating (Current) | 10 A | 10 A |
| Termination Style | Plug In, 8 Pin (Octal) | Plug In, 8 Pin (Octal) |
| Mounting Type | Socketable | Socketable |
| Coil Type | Non Latching | Non Latching |
| Operate Time | 25 ms | 25 ms |
| Relay Type | General Purpose | General Purpose |
| Switching Voltage - Max | 120VAC, 28VDC | 240VAC, 30VDC |
| Load - Max Switching | 1200VA, 280W | Not specified |
| Must Operate Voltage | 22 VDC | 19.2 VDC |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The RR2P-UDC24V from IDEC is the identified substitute for the obsolete CSL-38-31010. Selection of this substitute is supported by the following engineering factors:
Functional Compatibility: Both relays share identical electrical specifications for coil voltage (24VDC), contact configuration (DPDT), current rating (10A), and termination style (8-pin octal socketable). Operating time is equivalent at 25 ms, ensuring timing-critical applications maintain consistent performance.
Product Status: The RR2P-UDC24V carries an active product status, ensuring ongoing availability and supply chain continuity. The CSL-38-31010 obsolete status necessitates transition to an active equivalent.
Compliance Advantage: The RR2P-UDC24V is ROHS3 compliant, whereas the CSL-38-31010 is RoHS non-compliant. Selection of the IDEC substitute aligns new designs and replacement applications with current regulatory requirements.
Certification: Both relays carry EAR99 ECCN classification, maintaining consistent export control status.
Frequently Asked Questions (FAQ)
Q: Can the RR2P-UDC24V directly replace the CSL-38-31010 in existing socketable relay applications?
A: Yes. Both relays are 8-pin octal socketable relays with identical coil voltage (24VDC), contact form (DPDT), current rating (10A), and operating time (25 ms). Direct socket compatibility is established.
Q: What is the primary reason for substitution?
A: The CSL-38-31010 is obsolete. The RR2P-UDC24V is an active product from IDEC that meets all critical electrical and mechanical parameters, ensuring continued availability for maintenance, repair, and new applications.
Q: Are there differences in switching voltage ratings between these relays?
A: Yes. The CSL-38-31010 is rated for 120VAC and 28VDC maximum switching voltage. The RR2P-UDC24V is rated for 240VAC and 30VDC maximum switching voltage. The IDEC substitute provides higher voltage capability, making it suitable for applications within the original relay's voltage range.
Q: Does the RR2P-UDC24V meet current regulatory compliance standards?
A: Yes. The RR2P-UDC24V is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The CSL-38-31010 is RoHS non-compliant.
Q: What is the coil current specification for the RR2P-UDC24V?
A: The RR2P-UDC24V coil current is 60 mA with a coil resistance of 400 Ohms.
Q: Are both relays non-latching?
A: Yes. Both the CSL-38-31010 and RR2P-UDC24V are non-latching relays, meaning they return to their de-energized state when coil power is removed.
Q: What is the operating temperature range for each relay?
A: The CSL-38-31010 operates from -10°C to 55°C. The RR2P-UDC24V operates from -25°C to 40°C. Application temperature requirements should be evaluated against these ranges.
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