MT228115 General Purpose Relay DPDT 10A 115VAC Equivalent & Substitute Parts

Part Overview

The MT228115 is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays, configured as a DPDT (Double Pole Double Throw, 2 Form C) relay with a 115VAC coil voltage and 10A contact rating. This relay features a socketable 8-pin octal termination style and includes a lighted indicator and test button. The product is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for continued system support and component replacement.

Key Parameters

Parameter	Value
Contact Form	DPDT (2 Form C)
Coil Voltage	115VAC
Contact Rating (Current)	10 A
Switching Voltage (Max)	400VAC
Mounting Type	Socketable
Termination Style	Plug In, 8 Pin (Octal)
Coil Type	Non Latching
Contact Material	Silver Nickel (AgNi)
Operating Temperature Range	-40°C ~ 50°C
Coil Resistance	2 kOhms

Substitute Part Grouping Explanation

Substitution of the MT228115 is determined by strict equivalence across the following critical parameters: contact form configuration (DPDT), coil voltage (115VAC), contact current rating (10A), maximum switching voltage (400VAC), socketable mounting type, 8-pin octal plug-in termination, non-latching coil type, silver nickel contact material, and operating temperature range (-40°C to 50°C). The coil resistance of 2 kOhms must be maintained to ensure proper circuit integration. Additional qualifying criteria include the presence of lighted indicator and test button features, and compliance with RoHS and REACH regulations. Substitute parts must satisfy all these parameters without exception to ensure functional and mechanical compatibility within existing relay socket installations.

Parameter Comparison

Parameter	MT228115 (TE Connectivity)	8690320000 (Weidmüller)	Match Status
Contact Form	DPDT (2 Form C)	DPDT (2 Form C)	Equivalent
Coil Voltage	115VAC	115VAC	Equivalent
Contact Rating (Current)	10 A	10 A	Equivalent
Switching Voltage (Max)	400VAC	400VAC	Equivalent
Mounting Type	Socketable	Socketable	Equivalent
Termination Style	Plug In, 8 Pin (Octal)	Plug In, 8 Pin (Octal)	Equivalent
Coil Type	Non Latching	Non Latching	Equivalent
Contact Material	Silver Nickel (AgNi)	Silver Nickel (AgNi)	Equivalent
Operating Temperature Range	-40°C ~ 50°C	-40°C ~ 50°C	Equivalent
Coil Resistance	2 kOhms	2 kOhms	Equivalent
Must Operate Voltage	92 VAC	92 VAC	Equivalent
Must Release Voltage	46 VAC	34.5 VAC	Compatible
Operate Time	15 ms	15 ms	Equivalent
Release Time	10 ms	10 ms	Equivalent
Features	Lighted Indicator, Test Button	Lighted Indicator, Test Button	Equivalent
RoHS Status	ROHS3 Compliant	RoHS Compliant	Compliant
REACH Status	REACH Unaffected	REACH Unaffected	Compliant
Product Status	Obsolete	Active	Substitute Available

Engineering Selection Recommendations

The Weidmüller 8690320000 relay serves as a direct functional equivalent to the obsolete MT228115. Both relays maintain identical electrical specifications across all critical parameters including contact configuration, coil voltage, current rating, switching voltage, and timing characteristics. The 8690320000 is currently in active production status, ensuring long-term availability and supply chain continuity. Both components satisfy RoHS and REACH compliance requirements, with the 8690320000 holding active RoHS certification. The lower must-release voltage specification of the 8690320000 (34.5 VAC versus 46 VAC) represents an operational advantage, providing faster release characteristics while maintaining full compatibility with existing circuit designs. The socketable 8-pin octal termination ensures direct mechanical and electrical compatibility within existing relay socket installations without modification.

Frequently Asked Questions (FAQ)

Q: Can the Weidmüller 8690320000 be used as a direct replacement for the MT228115 in existing applications?

A: Yes. The 8690320000 maintains identical contact form (DPDT), coil voltage (115VAC), current rating (10A), switching voltage (400VAC), termination style (8-pin octal socketable), and operating temperature range. Both relays feature identical operate and release times (15 ms and 10 ms respectively) and identical coil resistance (2 kOhms). Direct socket substitution is supported without circuit modification.

Q: What is the significance of the different must-release voltage specifications?

A: The MT228115 specifies a must-release voltage of 46 VAC, while the 8690320000 specifies 34.5 VAC. The lower specification of the 8690320000 indicates faster release response at lower coil voltages. This represents improved performance characteristics and does not create compatibility issues in applications designed for the MT228115.

Q: Are there packaging differences between these relays?

A: The MT228115 is supplied in tray packaging, while the 8690320000 is supplied in bulk packaging. Both relays utilize identical 8-pin octal plug-in termination. Packaging format does not affect electrical or mechanical compatibility.

Q: What is the product status significance?

A: The MT228115 is classified as obsolete, indicating discontinued manufacturing and limited future availability. The 8690320000 is classified as active, confirming current production and long-term supply availability. Selection of the active component ensures sustained component sourcing for future system maintenance and expansion.

Q: Do both relays meet current regulatory compliance standards?

A: Yes. The MT228115 is ROHS3 compliant and REACH unaffected. The 8690320000 is RoHS compliant and REACH unaffected. Both components satisfy current regulatory requirements for electronic component use in industrial applications.

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