Home / Siemens SIMATIC S7-300
Siemens SIMATIC S7-300 Production ended Oct 2025 · 30 reference parts
The situation
Siemens' recommended path is S7-1500 with the TIA Portal migration tools. OEM spares officially available until 2033, with price increases already announced.
Parts
30
6ES7307-1BA01-0AA0
PS 307 power supply, 2A
Siemens · Siemens SIMATIC S7-300
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6ES7307-1EA01-0AA0
PS 307 power supply, 5A
Siemens · Siemens SIMATIC S7-300
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6ES7307-1KA02-0AA0
PS 307 power supply, 10A
Siemens · Siemens SIMATIC S7-300
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6ES7312-1AE14-0AB0
CPU 312, 32KB work memory
Siemens · Siemens SIMATIC S7-300
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6ES7313-5BG04-0AB0
CPU 313C compact, 24 DI / 16 DO
Siemens · Siemens SIMATIC S7-300
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6ES7314-1AG14-0AB0
CPU 314, 128KB work memory
Siemens · Siemens SIMATIC S7-300
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6ES7314-6EH04-0AB0
CPU 314C-2 PN/DP compact
Siemens · Siemens SIMATIC S7-300
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6ES7315-2AH14-0AB0
CPU 315-2 DP, 256KB work memory
Siemens · Siemens SIMATIC S7-300
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6ES7315-2EH14-0AB0
CPU 315-2 PN/DP, 384KB work memory
Siemens · Siemens SIMATIC S7-300
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6ES7317-2AK14-0AB0
CPU 317-2 DP, 1MB work memory
Siemens · Siemens SIMATIC S7-300
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6ES7317-2EK14-0AB0
CPU 317-2 PN/DP, 1MB work memory
Siemens · Siemens SIMATIC S7-300
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6ES7318-3EL01-0AB0
CPU 319-3 PN/DP, 2.5MB work memory
Siemens · Siemens SIMATIC S7-300
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6ES7321-1BH02-0AA0
SM 321 digital input, 16 points, 24V DC
Siemens · Siemens SIMATIC S7-300
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6ES7321-1BL00-0AA0
SM 321 digital input, 32 points, 24V DC
Siemens · Siemens SIMATIC S7-300
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6ES7321-1FH00-0AA0
SM 321 digital input, 16 points, 120/230V AC
Siemens · Siemens SIMATIC S7-300
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6ES7322-1BH01-0AA0
SM 322 digital output, 16 points, 24V DC
Siemens · Siemens SIMATIC S7-300
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6ES7322-1BL00-0AA0
SM 322 digital output, 32 points, 24V DC
Siemens · Siemens SIMATIC S7-300
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6ES7322-1HH01-0AA0
SM 322 relay output, 16 points
Siemens · Siemens SIMATIC S7-300
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6ES7323-1BH01-0AA0
SM 323 combo, 8 DI / 8 DO, 24V DC
Siemens · Siemens SIMATIC S7-300
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6ES7323-1BL00-0AA0
SM 323 combo, 16 DI / 16 DO, 24V DC
Siemens · Siemens SIMATIC S7-300
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6ES7331-7KF02-0AB0
SM 331 analog input, 8 channels
Siemens · Siemens SIMATIC S7-300
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6ES7331-7NF00-0AB0
SM 331 analog input, 8 channels, 16-bit
Siemens · Siemens SIMATIC S7-300
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6ES7332-5HD01-0AB0
SM 332 analog output, 4 channels
Siemens · Siemens SIMATIC S7-300
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6ES7332-5HF00-0AB0
SM 332 analog output, 8 channels
Siemens · Siemens SIMATIC S7-300
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6ES7360-3AA01-0AA0
IM 360 interface module, rack expansion
Siemens · Siemens SIMATIC S7-300
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6ES7365-0BA01-0AA0
IM 365 interface module pair
Siemens · Siemens SIMATIC S7-300
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6ES7390-1AE80-0AA0
Mounting rail, 480mm
Siemens · Siemens SIMATIC S7-300
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6ES7390-1AF30-0AA0
Mounting rail, 530mm
Siemens · Siemens SIMATIC S7-300
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6ES7953-8LG31-0AA0
Micro memory card, 128KB
Siemens · Siemens SIMATIC S7-300
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6ES7953-8LM31-0AA0
Micro memory card, 4MB
Siemens · Siemens SIMATIC S7-300
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