Description
The Siemens 3TX7110-5BC03C is a robust general-purpose relay engineered for dependable switching performance in commercial and residential HVAC control applications. Featuring a 24VDC coil voltage and a 15-amp contact rating, this Single Pole Double Throw (SPDT) relay is well-suited for integration into building automation systems, control panels, and a wide range of HVAC equipment where precise, reliable switching is essential.
Key Features
- Coil Voltage: 24VDC — compatible with standard low-voltage HVAC control circuits
- Contact Rating: 15 Amps for high-capacity switching demands
- Contact Configuration: Single Pole Double Throw (SPDT) — provides both normally open (NO) and normally closed (NC) switching paths
- Siemens quality construction for long service life and consistent operation
- Compact design suitable for panel mounting and tight control enclosures
- Ideal for use in building automation, HVAC controls, and industrial control panels
Typical Applications
- HVAC control panels and building automation systems
- Fan, pump, and motor switching circuits
- Interlock and safety control wiring
- Commercial and light industrial control enclosures
Product Specifications
- Brand: Siemens
- Model / SKU: 3TX7110-5BC03C
- Coil Voltage: 24VDC
- Contact Rating: 15 Amps
- Contact Form: SPDT (1 Form C)







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