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Siemens S7-300 spare parts

The Siemens S7-300 range comprises 7 standard CPUs, 6 compact CPUs, 6 fail-safe CPUs and 2 technology CPUs and they are available from a width of 40mm. The S7-300 range is suitable for tasks requiring fast counting/measuring with direct access to the hardware counters. Although Northern Industrial are not an official Siemens distributor, we have a wide selection of new, refurbished and obsolete parts available for next day delivery. If you’re looking for reliable Siemens Simatic S7-300 spare parts then you’ve come to the right site!
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  1. Free Quote
  2. Free Quote
    • 32 Channel Digital Input Module for the Simatic S7-300 PLC range
    • 24V DC Rated value
    • 1 x 40 Pole Isolated
    $73.70
    Ex VAT
    360 in stock
    • SM 331 Analogue Input Module for SIMATIC S7-300 PLC range
    • isolated 8 channel analogue Input, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole Removing/inserting with active backplane bus
    $662.09
    Ex VAT
    7 in stock
    • The CPU 315-2 PN/DP is a CPU with a medium-sized program memory.
    • Used in installations which have distributed automation structures in addition to a centralized I/O. It can be used as a PROFINET IO Controller and as a standard PROFIBUS DP master in the SIMATIC S7-300.
    • The 315-2 PN/DP CPU can also be used as distributed intelligence (DP slave).
    $2,430.37
    Ex VAT
    10 in stock
    • Part of the Siemens Simatic S7-300 Digital Module range
    • Features green LEDs for displaying the signal states at the inputs/outputs, slot for the front connector
    • With optimum adaptation possible inputs and outputs can be matched to unique tasks
    $343.04
    Ex VAT
    Only 1 in stock
    • This Connector is part of the Siemens Simatic S7-300 range
    • Front connectors provide simple wiring take-over if a module is exchanged
    • Quick, fault-free connection of sensors and actuators over distances of up to 30 m.
    • Flexible connection, for quick, direct connection between SIMATIC S7-300 and individual elements in the control cabinet.
    $23.09
    Ex VAT
    192 in stock
    • This Connector is part of the Siemens Simatic S7-300 range
    • Front connectors provide simple wiring take-over if a module is exchanged
    • Quick, fault-free connection of sensors and actuators over distances of up to 30 m.
    • Flexible connection, for quick, direct connection between SIMATIC S7-300 and individual elements in the control cabinet.
    Free Quote
    • Part of the Siemens Simatic S7-300 Analog Module range
    • Can be connected to a Simatic S7-300 without additional amplifiers
    • Features Red LED for group faults, Slot for the front connector, labeling area on the front cover
    $522.48
    Ex VAT
    4 in stock
    • Part of the Siemens Simatic S7-300 Digital Module range
    • Features green LEDs for displaying the signal states at the inputs/outputs, slot for the front connector
    • With optimum adaptation possible inputs and outputs can be matched to unique tasks
    $620.42
    Ex VAT
    Only 1 in stock
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