CSW2490-10 Solid State Relay SPST-NO 90A 24-280V Equivalent & Substitute Parts

Part Overview

The CSW2490-10 is a solid state relay (SSR) with SPST-NO (1 Form A) configuration, rated for 90A load current at 24-280V AC output. Manufactured by Sensata-Crydom in a hockey puck form factor with screw terminal connections, this component is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain system functionality and ensure continued availability for new designs or replacement applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	CSW2490-10
Manufacturer	Sensata-Crydom
Series	CSW
Circuit Configuration	SPST-NO (1 Form A)
Output Type	AC
Input Voltage	3 ~ 32VDC
Load Voltage	24 V ~ 280 V
Load Current	90 A
Mounting Type	Chassis Mount
Termination Style	Screw Terminal
Package / Case	Hockey Puck
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the CSW2490-10 is determined by the following critical parameters:

Circuit Configuration: Must be SPST-NO (1 Form A)
Output Type: Must be AC or AC with Zero Cross capability
Input Voltage Range: Must accommodate 3 ~ 32VDC minimum
Load Voltage Range: Must support minimum 24 V ~ 280 V
Load Current: Must be rated for 90A or higher
Mounting Type: Must be Chassis Mount
Termination Style: Must be Screw Terminal

The substitute parts identified below meet these core electrical and mechanical requirements, though some offer enhanced specifications in load voltage range or current rating.

Parameter Comparison

Parameter	CSW2490-10 (Main)	D2490-10	84138150N	ASR-SN240D100RW-L
Manufacturer	Sensata-Crydom	Sensata Technologies	Crouzet	Altran Magnetics, LLC
Circuit Configuration	SPST-NO (1 Form A)	SPST-NO (1 Form A)	SPST-NO (1 Form A)	SPST-NO (1 Form A)
Output Type	AC	AC	AC, Zero Cross	AC
Input Voltage	3 ~ 32VDC	3 ~ 32VDC	4 ~ 32VDC	3 ~ 32VDC
Load Voltage	24 V ~ 280 V	24 V ~ 280 V	24 V ~ 500 V	24 V ~ 280 V
Load Current	90 A	90 A	90 A	100 A
Mounting Type	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount
Termination Style	Screw Terminal	Screw Terminal	Screw Terminal	Screw Terminal
Package / Case	Hockey Puck	Hockey Puck	Hockey Puck	Module
Product Status	Obsolete	Active	Active	Active
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

D2490-10 (Sensata Technologies): Direct manufacturer equivalent with identical electrical specifications and hockey puck form factor. Active product status with ROHS3 compliance provides long-term availability and regulatory alignment. Recommended as primary replacement for CSW2490-10 applications.

84138150N (Crouzet): Meets all core substitution criteria with identical 90A load current and hockey puck package. Extended load voltage range to 500V provides additional operational margin. Zero Cross output type offers enhanced switching characteristics. RoHS compliant with unlimited moisture sensitivity rating. Suitable for applications requiring higher voltage tolerance.

ASR-SN240D100RW-L (Altran Magnetics, LLC): Exceeds load current specification at 100A while maintaining identical input voltage and load voltage ranges. Module form factor differs from hockey puck configuration; mechanical integration must be verified. ROHS3 compliant. Applicable where higher current capacity is beneficial or required.

Frequently Asked Questions (FAQ)

Q: Can D2490-10 be used as a direct replacement for CSW2490-10?

A: Yes. D2490-10 is a direct manufacturer equivalent with identical electrical specifications (90A, 24-280V, 3-32VDC input), circuit configuration (SPST-NO), and package type (hockey puck screw terminal). The primary difference is active product status versus obsolete status.

Q: What is the difference between the hockey puck and module form factors?

A: Hockey puck and module are distinct mechanical packages. CSW2490-10, D2490-10, and 84138150N use hockey puck form factor with identical mounting and termination. ASR-SN240D100RW-L uses module form factor, requiring verification of mechanical fit and mounting compatibility in the target application.

Q: Why does 84138150N have a higher load voltage range (24-500V) than the main part?

A: 84138150N is rated for extended load voltage operation to 500V, compared to 280V for CSW2490-10. This represents enhanced capability and does not prevent substitution; applications operating within the 24-280V range remain fully compatible.

Q: Is the 100A rating of ASR-SN240D100RW-L a compatibility concern?

A: No. Higher current rating indicates increased capacity and does not prevent substitution in applications requiring 90A. The part will operate safely at or below its rated current. Mechanical form factor (module versus hockey puck) requires verification for physical integration.

Q: Are all substitute parts RoHS compliant?

A: Yes. CSW2490-10 is RoHS Compliant. D2490-10 and ASR-SN240D100RW-L are ROHS3 Compliant. 84138150N is RoHS Compliant. All parts meet applicable RoHS requirements.

Q: What is the significance of Zero Cross output in 84138150N?

A: Zero Cross switching synchronizes relay activation with AC voltage zero crossings, reducing electromagnetic interference and switching stress. This is an enhanced feature that does not prevent substitution in standard SPST-NO AC relay applications.

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