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54. AC Load Relay Selection

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AZ943-1AH-12DEF
Component
DigiKey Part No3385-AZ943-1AH-12DEF-ND
Mfr Part NoAZ943-1AH-12DEF
ManufacturerAmerican Zettler

RELAY GEN PURPOSE SPST 15A 12V

General Purpose Relay SPST-NO (1 Form A) 12VDC Coil Through Hole

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EW

Response By EW AI

✅ Relay Type: General Purpose matches the required relay type.
✅ Mounting Type: Through Hole matches the PCB mounting requirement.
✅ Coil Voltage: 12VDC matches the required 12V coil.
✅ Contact Form: SPST-NO (1 Form A) is acceptable because only normally open switching is needed, and SPST-NO is explicitly allowed.
✅ Contact Rating (Current): 15A exceeds the minimum required 5A, providing ample margin for a 2A lamp load.
✅ Switching Voltage: 277VAC max is suitable for switching a 230VAC load.
✅ Coil Type: Non Latching matches the requirement.
✅ Termination Style: PC Pin matches the requirement.
✅ Operating Temperature: -40°C to 110°C exceeds the required -40°C to +85°C range.
✅ Approval Agency: CUR, TUV, UL, VDE includes cURus-equivalent approvals and satisfies the requirement.

All required specifications are satisfied. This relay is approved for the stated 230VAC lamp load switching application.
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