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SIEMENS PYROTRONICS
Siemens is a global powerhouse in industrial automation, recognized for its comprehensive portfolio of electrical, automation, and digitalization products. Within the industrial sector, Siemens is particularly known for its robust lines of programmable logic controllers (PLCs), human-machine interfaces (HMIs), and industrial control components. Engineers and technicians rely on Siemens for their system integration capabilities, long-term product availability, and reliable performance in demanding environments. Industrial Automation Co. stocks new and refurbished Siemens parts with quote-based pricing.
Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.
We offer 24 months warranty on selected brands
Typical quote turnaround for hard-to-source and legacy replacement requests
New, refurbished, and surplus paths surfaced clearly for procurement teams
Hard-to-find parts, sourced fast
Real value
Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.
Built for urgent procurement
RFQ ready
Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.
Verified parts you can rely on
Trusted data
Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.
Global sourcing, local reliability
Worldwide trust.
We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.
SKU · RSW-1
Siemens Pyrotronics RSW-1
SIEMENS PYROTRONICS RSW-1 RSW1 RESET SWITCH KEYS FIRE DETECTOR ACCESSORY
SKU · 602-2043-03
Siemens Pyrotronics 602-2043-03
SIEMENS PYROTRONICS 602-2043-03 602204303 PC BOARD 8K I/O
SKU · NIM-1R
Siemens Pyrotronics NIM-1R
SIEMENS PYROTRONICS NIM-1R NIM1R NETWORK INTERFACE MODULE MXL FIRE ALARM
SKU · 602-2040-01
Siemens Pyrotronics 602-2040-01
SIEMENS PYROTRONICS 602-2040-01 602204001 PC BOARD 16K I/O
SKU · MSI-20B
Siemens Pyrotronics MSI-20B
SIEMENS PYROTRONICS MSI-20B MSI20B INTELL MAN STATN DOUBLE ACTION Alternate Part Number: SIEMENS 500-893081
SKU · VM-321
Siemens Pyrotronics VM-321
SIEMENS PYROTRONICS VM-321 VM321 INTERFACE BOARD Alternate Part Number: SIEMENS 580-183870
SKU · 500-035400
Siemens Pyrotronics 500-035400
SIEMENS PYROTRONICS 500-035400 500035400 AMPLIFIER CARD 40W 25V Alternate Part Number: SIEMENS ZAC-40
SKU · 500-892079
Siemens Pyrotronics 500-892079
SIEMENS PYROTRONICS 500-892079 500892079 MICROPHONE MASTER MODULE MODEL MMM-1
SKU · ZIC-4A
Siemens Pyrotronics ZIC-4A
SIEMENS PYROTRONICS ZIC-4A ZIC4A ZONE INDICATING CARD 24VDC 4/ZONE