Omron MY4-AC12-EL General Purpose Relay 4PDT 12VAC

Part Overview

The Omron MY4-AC12-EL is a general purpose relay with 4PDT (4 Form C) contact configuration rated for 3A at 12VAC coil voltage. This socketable relay is designed for industrial control applications requiring reliable switching of AC and DC loads. The part maintains Active product status with full RoHS compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity when the primary part number becomes unavailable or when equivalent performance specifications are required.

Substiute Parts

MY4-AC12-EL

Omron Automation and SafetyIn Stock: 744MY4-AC12-EL Datasheet

Current PartRFQ

MY4 AC12 (S)

Omron Automation and SafetyIn Stock: 1247MY4 AC12 (S) Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MY4-AC12-EL is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part MY4 AC12 (S) qualifies as a parametric equivalent based on identical specifications in the following key categories:

Contact configuration and current rating: Both parts feature 4PDT (4 Form C) contact form with 3A contact rating, ensuring identical switching capability for load circuits.

Coil specifications: Both parts operate at 12VAC with 91 mA coil current and 46 Ohms coil resistance, guaranteeing compatible control circuit integration.

Voltage performance: Both parts maintain identical must-operate voltage (9.6 VAC), must-release voltage (3.6 VAC), and maximum switching voltage (250VAC, 125VDC), ensuring equivalent load switching performance.

Timing characteristics: Both parts exhibit identical operate time (20 ms) and release time (20 ms), supporting equivalent response in time-critical applications.

Physical and environmental specifications: Both parts are socketable with plug-in termination, operate across -55°C to 70°C temperature range, feature silver contact material, and maintain non-latching coil type.

Compliance and regulatory status: Both parts are RoHS compliant with MSL 1 rating and Active product status.

Parameter Comparison

Engineering Selection Recommendations

Both the MY4-AC12-EL and MY4 AC12 (S) maintain Active product status with full RoHS compliance and unlimited moisture sensitivity rating. Selection between these parts is based on availability and procurement requirements rather than technical performance differentiation. The MY4 AC12 (S) variant designation indicates a packaging or supply chain variant within the same electrical and mechanical specification set. Both parts are suitable for direct substitution in 12VAC general purpose relay applications requiring 4PDT switching at 3A contact rating. Compliance certifications (RoHS, ECCN EAR99, HTSUS 8536.41.0020) are identical across both part numbers.

Frequently Asked Questions (FAQ)

Q: Can MY4 AC12 (S) be used as a direct replacement for MY4-AC12-EL?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters including coil voltage, contact configuration, current rating, timing characteristics, and operating temperature range. The parts are interchangeable in socketable relay applications.

Q: What does the (S) designation in MY4 AC12 (S) indicate?

A: The (S) designation represents a variant within the MY4 AC12 product line. This designation does not affect electrical performance or mechanical compatibility. Both variants meet identical specification requirements.

Q: Are there any differences in compliance or certifications between these parts?

A: No. Both parts carry identical RoHS compliance status, MSL 1 rating, ECCN classification (EAR99), and HTSUS code (8536.41.0020). Regulatory and environmental compliance is equivalent.

Q: What are the critical parameters for relay substitution in this category?

A: Substitution eligibility is determined by matching coil voltage (12VAC), contact form (4PDT), contact rating (3A), coil current (91 mA), switching voltage limits (250VAC, 125VDC), timing characteristics (20 ms operate/release), and mounting type (socketable). All these parameters must be identical for direct substitution.

Q: Can these relays be used in applications requiring different coil voltages?

A: No. Both parts are rated exclusively for 12VAC coil voltage. Applications requiring different coil voltages require alternative part numbers from the MY series with corresponding voltage ratings.

Q: What is the significance of the 46 Ohms coil resistance specification?

A: The 46 Ohms coil resistance, combined with 12VAC coil voltage, determines the 91 mA coil current draw. This specification is critical for control circuit design and power supply sizing. Both substitute parts maintain identical coil resistance.

Q: Are socketable and plug-in termination styles compatible with the same relay bases?

A: Yes. Both parts feature socketable mounting type with plug-in termination style, ensuring compatibility with standard MY series relay bases and sockets.