Siemens Landis Gyr collection

Siemens Landis Gyr

Siemens Landis Gyr is a recognized name in building technology and energy management, with a legacy of precision instrumentation. Their automation components, often found in HVAC, energy metering, and building control systems, include programmable controllers, energy meters, and specialized sensors. Engineers value Siemens Landis Gyr for consistent performance, detailed technical specifications, and long-term product availability, ensuring reliable operation in critical infrastructure. Industrial Automation Co. stocks new and refurbished Siemens Landis Gyr parts with quote-based pricing.

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5M+

Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.

24 Months

We offer 24 months warranty on selected brands

24h

Typical quote turnaround for hard-to-source and legacy replacement requests

OEM+

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.

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Siemens Landis Gyr 540-863

SKU · 540-863

Siemens Landis Gyr 540-863

SIEMENS LANDIS GYR 540-863 540863 AIR HANDLING UNIT CONTROLLER Alternate Part Number: SIEMENS 540-863A SIEMENS 54...

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Siemens Landis Gyr 547-005

SKU · 547-005

Siemens Landis Gyr 547-005

SIEMENS LANDIS GYR 547-005 547005 547-002 547002 PRESSURE MONITOR DIFFERENTIAL W/ 2POSITION

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Siemens Landis Gyr 549-203

SKU · 549-203

Siemens Landis Gyr 549-203

SIEMENS LANDIS GYR 549-203 549203 SIEMENS APOGEE MODULAR EQUIPMENT CONTROLLER ANALOG POINT BLOCK 4AI 4AO MEC

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Siemens Landis Gyr 540-104

SKU · 540-104

Siemens Landis Gyr 540-104

SIEMENS LANDIS GYR 540-104 540104 CONSTANT VOLUME CONTROLLER W/AUTO ZERO INPUT 24VAC

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Siemens Landis Gyr QPA63.1

SKU · QPA63.1

Siemens Landis Gyr QPA63.1

SIEMENS LANDIS GYR QPA63.1 QPA631 AIR QUALITY SENSORS POWER SUPPLY: 24 VAC OUTPUT SIGNAL: 0-10VDC SENSOR: CO2 / COV...

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