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Harmony Electromechanical Power Relay cross references
Obsoleted Part NumberActive Replacement Part Number
9AS1A52-129AS3A12
9AS1A52-1209AS3A120
9AS1A52-249AS3A24
9AS1A52-2409AS3A240
9AS1D52-129AS3D12
9AS1D52-249AS3D24
9AS1D52-59AS3D5
9AS5A52-1209AS7A120
9AS5A52-249AS7A24
9AS5A52-2409AS7A240
9AS5D52-129AS7D12
9AS5D52-249AS7D24
9AS5D52-59AS7D5

Obsoleted Part appearance:
old part appearance
New Part appearance:
new part appearance
Summary of changes:
1. Color change from light grey to black
2. terminal layout change with more robust housing
3. SPST-NO current remains the same at 30A

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