Equivalent & Substitute Parts for MY2-GS AC110/120

Part Overview

The MY2-GS AC110/120 is a general purpose relay manufactured by Omron Automation and Safety, featuring a DPDT (2 Form C) contact configuration with a 120VAC coil and 5A contact rating. This socketable relay is designed for plug-in mounting applications requiring reliable switching at 250VAC or 220VDC maximum switching voltage.

The MY2-GS AC110/120 is classified as obsolete. Identifying suitable substitute parts is necessary to maintain system functionality, ensure continued availability, and support long-term product support strategies where original components are no longer in production.

Key Parameters

Parameter	Value
Coil Voltage	120VAC
Contact Form	DPDT (2 Form C)
Contact Rating (Current)	5 A
Switching Voltage	250VAC, 220VDC - Max
Coil Current	8.4 mA
Mounting Type	Socketable
Termination Style	Plug In
Operating Temperature Range	-55°C ~ 70°C
Contact Material	Silver (Ag)
Coil Resistance	4.43 kOhms

Substitute Part Grouping Explanation

Substitution eligibility for the MY2-GS AC110/120 is determined by the following critical parameters:

Coil Voltage: Must be 120VAC to ensure direct compatibility with existing control circuits
Contact Form: Must be DPDT (2 Form C) to maintain switching functionality
Mounting Type: Must be socketable to fit existing relay sockets
Termination Style: Must support plug-in connection for direct replacement
Coil Current: Must be 8.4 mA to ensure proper operation with existing control circuits
Coil Resistance: Must be 4.43 kOhms for circuit compatibility
Operating Temperature Range: Must encompass -55°C ~ 70°C minimum
Contact Material: Must be Silver (Ag) for consistent switching performance

The MY2-GS-R AC110/120 meets all substitution criteria. While the contact rating is increased to 10A (exceeding the original 5A specification), this represents an enhancement that does not compromise compatibility. The substitute maintains identical coil specifications, contact form, mounting configuration, and operating characteristics.

Parameter Comparison

Parameter	MY2-GS AC110/120	MY2-GS-R AC110/120
Manufacturer	Omron Automation and Safety	Omron Automation and Safety
Product Status	Obsolete	Active
Coil Voltage	120VAC	120VAC
Contact Form	DPDT (2 Form C)	DPDT (2 Form C)
Contact Rating (Current)	5 A	10 A
Switching Voltage	250VAC, 220VDC - Max	250VAC, 220VDC - Max
Coil Current	8.4 mA	8.4 mA
Coil Type	Non Latching	Non Latching
Features	Mechanical Indicator	Mechanical Indicator
Mounting Type	Socketable	Socketable
Termination Style	Plug In	Plug In, Quick Connect - 0.110" (2.8mm)
Coil Resistance	4.43 kOhms	4.43 kOhms
Must Operate Voltage	96 VAC	96 VAC
Must Release Voltage	36 VAC	36 VAC
Operate Time	20 ms	20 ms
Release Time	20 ms	20 ms
Operating Temperature	-55°C ~ 70°C	-55°C ~ 70°C
Contact Material	Silver (Ag)	Silver (Ag)
RoHS Status	RoHS Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The MY2-GS-R AC110/120 is the direct substitute for the obsolete MY2-GS AC110/120. Both components are manufactured by Omron Automation and Safety and share identical electrical and mechanical specifications with the exception of contact rating.

The MY2-GS-R AC110/120 is currently in active production status, ensuring long-term availability and supply chain continuity. The substitute meets enhanced RoHS3 compliance requirements, providing improved environmental and regulatory alignment compared to the original RoHS Compliant designation.

The increased contact rating of 10A in the substitute part provides additional design margin for applications originally specified at 5A, without introducing any compatibility issues. The socketable mounting and plug-in termination remain unchanged, enabling direct physical and electrical replacement in existing installations.

Frequently Asked Questions (FAQ)

Q: Can the MY2-GS-R AC110/120 be used as a direct replacement for the MY2-GS AC110/120?

A: Yes. The MY2-GS-R AC110/120 is electrically and mechanically compatible with the MY2-GS AC110/120. Both components feature identical coil voltage (120VAC), contact form (DPDT), coil current (8.4 mA), coil resistance (4.43 kOhms), and operating characteristics. The substitute mounts in the same socket and uses the same plug-in termination.

Q: What is the difference in contact rating between these two relays?

A: The original MY2-GS AC110/120 has a contact rating of 5A, while the MY2-GS-R AC110/120 has a contact rating of 10A. This means the substitute can safely switch higher currents. For applications operating at or below 5A, this difference does not affect performance or reliability.

Q: Are there any termination differences between the two parts?

A: The MY2-GS AC110/120 uses plug-in termination. The MY2-GS-R AC110/120 supports both plug-in and quick connect 0.110" (2.8mm) termination options. For direct replacement applications, the plug-in termination is used, maintaining full compatibility.

Q: What is the product status difference, and why does it matter?

A: The MY2-GS AC110/120 is obsolete and no longer manufactured. The MY2-GS-R AC110/120 is active in production. Using the active substitute ensures continued availability, reduces supply chain risk, and provides access to current manufacturing quality standards and compliance certifications.

Q: Are there compliance differences between the two parts?

A: The MY2-GS AC110/120 is RoHS Compliant. The MY2-GS-R AC110/120 is ROHS3 Compliant and REACH Unaffected. The enhanced compliance status of the substitute reflects current environmental and regulatory requirements.

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