MT326115 General Purpose Relay 3PDT 10A 115VAC Equivalent & Substitute Parts

Part Overview

The MT326115 is a general purpose relay manufactured by TE Connectivity Potter & Brumfield Relays, featuring a 3PDT (3 Form C) contact configuration with a 115VAC coil. This socketable relay is designed for applications requiring 10A switching capacity at up to 400VAC. The MT326115 is classified as obsolete, making identification of equivalent substitute parts essential for system maintenance, repair, and redesign applications where continued component availability is required.

Substiute Parts

MT326115

TE Connectivity Potter & Brumfield RelaysIn Stock: 1028MT326115 Datasheet

Current PartRFQ

8690550000

WeidmüllerIn Stock: 9748690550000 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MT326115 are identified based on strict electrical and mechanical compatibility criteria. The following parameters must match or remain within acceptable operating ranges for direct substitution:

Critical Matching Parameters:

• Coil Voltage: 115VAC
• Contact Form: 3PDT (3 Form C)
• Contact Rating (Current): 10 A
• Switching Voltage: 400VAC maximum
• Termination Style: Plug In, 11 Pin (Octal)
• Mounting Type: Socketable
• Coil Type: Non Latching
• Contact Material: Silver Nickel (AgNi)
• Coil Resistance: 2 kOhms

The Weidmüller 8690550000 satisfies all critical matching parameters, confirming its suitability as a direct substitute for the obsolete MT326115.

Parameter Comparison

Engineering Selection Recommendations

The Weidmüller 8690550000 is a direct functional equivalent to the obsolete MT326115. Both relays share identical electrical specifications for coil voltage, contact configuration, current rating, and switching voltage. The 8690550000 maintains full compatibility with existing socket-based installations designed for the MT326115.

The Weidmüller 8690550000 holds active product status, ensuring ongoing availability and supply chain continuity. Both parts maintain equivalent RoHS compliance and REACH status, with identical ECCN and HTSUS classifications. The 8690550000 provides an extended operating temperature range (-40°C to 60°C versus -40°C to 50°C), offering enhanced thermal performance in demanding environments.

The 8690550000 features a lower must-release voltage specification (34.5 VAC versus 46 VAC), which represents improved release characteristics and does not compromise compatibility with the original application requirements.

Frequently Asked Questions (FAQ)

Q: Can the Weidmüller 8690550000 directly replace the MT326115 in existing installations?

A: Yes. The 8690550000 is mechanically and electrically compatible with the MT326115. Both relays feature identical 11-pin octal socketable termination, 3PDT contact configuration, 10A current rating, and 115VAC coil voltage. Direct socket substitution is supported.

Q: What are the key differences between these two relays?

A: The primary differences are product status and operating temperature range. The MT326115 is obsolete, while the 8690550000 is active. The 8690550000 operates across -40°C to 60°C, compared to the MT326115's -40°C to 50°C range. The 8690550000 also features a lower must-release voltage (34.5 VAC versus 46 VAC), indicating improved release performance.

Q: Are there any compliance or certification differences?

A: Both relays maintain equivalent compliance status. The MT326115 is ROHS3 compliant, while the 8690550000 is RoHS compliant. Both carry identical ECCN (EAR99) and HTSUS (8536.49.0075) classifications. Both are MSL 1 rated with unlimited moisture sensitivity protection.

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

A: The must-release voltage specifies the maximum coil voltage at which the relay is guaranteed to release. The 8690550000's lower must-release voltage (34.5 VAC) indicates faster, more reliable release characteristics compared to the MT326115 (46 VAC). This represents an improvement and does not create compatibility issues.

Q: Are the coil resistance values identical?

A: Yes. Both the MT326115 and 8690550000 feature 2 kOhms coil resistance, ensuring equivalent electrical loading on control circuits.

Q: Can these relays be used interchangeably in new designs?

A: Yes. The 8690550000 is suitable for new designs requiring 3PDT general purpose relay functionality with 115VAC coil voltage and 10A switching capacity. The active product status of the 8690550000 ensures long-term availability for production applications.