CMA60110 Equivalent & Substitute Parts

Part Overview

The CMA60110 is a solid-state relay (SSR) with SPST-NO (1 Form A) configuration, rated for 110A load current at 48-660V output voltage. This hockey puck-style chassis mount relay features AC zero-cross switching and screw terminal connections. The CMA60110 is classified as obsolete, necessitating identification of active equivalent models that maintain functional compatibility within the specified electrical and mechanical parameters.

Key Parameters

Parameter	CMA60110
Manufacturer	Sensata-Crydom
Circuit Configuration	SPST-NO (1 Form A)
Output Type	AC, Zero Cross
Load Current Rating	110 A
Load Voltage Range	48 V ~ 660 V
Input Voltage Range	90 ~ 140 VAC
Mounting Type	Chassis Mount
Package / Case	Hockey Puck
Termination Style	Screw Terminal
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitute parts for the CMA60110 are identified based on the following critical parameters that determine functional compatibility:

Circuit configuration: SPST-NO (1 Form A)
Output type: AC, Zero Cross
Package / Case: Hockey Puck
Mounting type: Chassis Mount
Termination style: Screw Terminal
Load voltage range: Minimum 48 V, with upper range at or above 530 V
Load current rating: Equal to or greater than 110 A
RoHS compliance status

The three substitute parts listed (84137181, CWA48125, and HA48110) maintain these core electrical and mechanical specifications while offering active product status and enhanced input voltage range capabilities.

Parameter Comparison

Parameter	CMA60110	84137181	CWA48125	HA48110
Manufacturer	Sensata-Crydom	Sensata Technologies	Sensata Technologies	Sensata-Crydom
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, Zero Cross	AC, Zero Cross	AC, Zero Cross	AC, Zero Cross
Load Current Rating	110 A	125 A	125 A	110 A
Load Voltage Range	48 V ~ 660 V	48 V ~ 660 V	48 V ~ 660 V	48 V ~ 530 V
Input Voltage Range	90 ~ 140 VAC	90 ~ 280 VAC	90 ~ 280 VAC	90 ~ 280 VAC
Mounting Type	Chassis Mount	Chassis Mount	Chassis Mount	Chassis Mount
Package / Case	Hockey Puck	Hockey Puck	Hockey Puck	Hockey Puck
Termination Style	Screw Terminal	Screw Terminal	Screw Terminal	Screw Terminal
Product Status	Obsolete	Active	Active	Active
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All three substitute parts maintain the core electrical and mechanical specifications required for CMA60110 replacement. Selection among these alternatives is based on the following factors:

84137181 (Sensata Technologies, GN Series): Active product status with extended input voltage range (90-280VAC) and increased load current rating (125A). RoHS compliant. Represents a direct upgrade in current capacity while maintaining full load voltage compatibility (48-660V).

CWA48125 (Sensata Technologies, CW48 Series): Active product status with extended input voltage range (90-280VAC) and increased load current rating (125A). RoHS compliant. Functionally equivalent to 84137181 with identical electrical specifications.

HA48110 (Sensata-Crydom, HA48 Series): Active product status with extended input voltage range (90-280VAC) and matching load current rating (110A). ROHS3 compliant with REACH compliance documentation. Load voltage range limited to 48-530V, which is suitable for applications not requiring the full 660V upper limit of the original CMA60110.

Frequently Asked Questions (FAQ)

Q: Can the CMA60110 be directly replaced with any of these substitute parts?

A: Yes. All three substitute parts maintain the required SPST-NO circuit configuration, AC zero-cross output type, hockey puck package, chassis mount configuration, and screw terminal connections. Electrical parameters (load current and voltage ranges) are equal to or exceed the original specification.

Q: What is the primary difference between 84137181 and CWA48125?

A: Both parts are functionally identical in electrical specifications (125A load current, 48-660V load voltage, 90-280VAC input voltage). The difference lies in manufacturer series designation (GN versus CW48) and packaging classification (Bulk for both). Selection between these parts depends on supply chain availability and internal part numbering systems.

Q: Why does HA48110 have a lower maximum load voltage (530V vs. 660V)?

A: The HA48110 is rated for 48-530V load voltage, which is lower than the CMA60110 specification of 48-660V. This part is suitable for applications operating within the 530V limit. Applications requiring operation above 530V should use 84137181 or CWA48125.

Q: Are all substitute parts RoHS compliant?

A: Yes. The CMA60110 is RoHS compliant. All three substitute parts maintain RoHS compliance: 84137181 and CWA48125 are RoHS compliant, and HA48110 is ROHS3 compliant, which represents an enhanced compliance standard.

Q: What is the advantage of the extended input voltage range in the substitute parts?

A: The substitute parts accept input voltage from 90-280VAC, compared to the CMA60110's 90-140VAC range. This extended range provides greater flexibility in control circuit design and reduces the need for input voltage regulation in applications with variable supply voltages.

Q: Can HA48110 be used in all CMA60110 applications?

A: HA48110 is suitable for applications where the load voltage does not exceed 530V. For applications requiring operation at voltages between 530V and 660V, use 84137181 or CWA48125 instead.

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