OVERVIEW

Official designation: Omron MY4-TMY4Z (MY Series, Miniature Power Relay)

Role/Application: A high-reliability miniature power relay used for sequence control and power switching, featuring 4PDT bifurcated contacts for low-level switching.

KEY SPECS SUMMARY

Power: Various AC/DC coil voltage options

Interfaces / Ports: Plug-in terminal

Indicators: Built-in operation indicator LED

Operating Temp: Minus 55 to plus 70 degrees C

Platform / Compatibility: Socket mounting (e.g., PYF14S, PYFZ-14)

Limit: Max contact current 5 A AC/DC (resistive)

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the rated resistive load and electrical endurance for the MY4-TMY4Z relay contacts?

A: The rated resistive load is 3 A at 220 V AC or 3 A at 24 V DC; electrical endurance is 100000 operations minimum.

Wiring & Installation:

Q: What is the maximum contact voltage and which socket types are compatible with this plug-in relay?

A: Maximum contact voltage is 250 V AC or 125 V DC, and compatible sockets include the PYF14S and PYFZ-14 models.

Troubleshooting & Compatibility:

Q: What are the maximum operating and reset times for the relay coil and contacts, and what is the mechanical endurance?

A: Operate and reset times are 20 milliseconds maximum, and mechanical endurance is 20 million operations minimum.

Replacement & Upgrades:

Q: Is there an equivalent model to the MY4-TMY4Z that includes a built-in diode for coil surge absorption?

A: Yes, models such as the MY4Z-D are available, which integrate a diode for coil surge suppression.