Description
The Siemens 3TX7131-4DF13 is a heavy-duty panel mount relay engineered for dependable switching performance in HVAC systems, building automation, and industrial control applications. Featuring a double-pole double-throw (DPDT) contact configuration and a robust 30-amp rating, this relay handles demanding load requirements with confidence. Designed for panel mounting, it integrates cleanly into electrical enclosures and control panels for a professional, space-efficient installation.
Key Features
- Brand: Siemens — a globally trusted name in electrical and HVAC controls
- Model / SKU: 3TX7131-4DF13
- Coil Voltage: 120V AC
- Contact Configuration: DPDT (Double-Pole Double-Throw)
- Contact Rating: 30 Amps
- Mounting Style: Panel Mount for secure, permanent installation
- Ideal for HVAC control panels, building automation, and industrial switching applications
Why Choose the Siemens 3TX7131-4DF13?
Siemens relays are built to exacting standards, offering long service life and consistent switching performance across thousands of cycles. The DPDT contact arrangement provides versatile circuit control — allowing one relay to simultaneously manage two independent circuits — making it an efficient solution for complex control panel wiring. The 30A contact rating ensures compatibility with high-load HVAC equipment and motor control circuits.
Applications
- HVAC system control panels
- Building automation and energy management systems
- Industrial machinery and equipment control
- Commercial electrical panel switching
- Fan, pump, and motor control circuits







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