The IDEC RR3B-ULAC24V is a robust RR Series power relay engineered for dependable switching performance in HVAC, building automation, and light industrial control applications. Featuring a triple-pole double-throw (3PDT) contact configuration, this relay provides versatile switching capability across three independent circuits simultaneously, making it an ideal solution for complex control panel layouts and multi-circuit HVAC systems.
Key Features
- 3PDT (Triple-Pole Double-Throw) contact arrangement for multi-circuit switching
- 24VAC coil voltage for compatibility with standard HVAC low-voltage control systems
- 10-amp contact rating for reliable load switching
- Blade terminal connections for secure, vibration-resistant wiring
- Built-in operation indicator for quick visual status confirmation
- RR Series design for consistent, long-service-life performance
Electrical Specifications
- Coil Voltage: 24VAC
- Contact Configuration: 3PDT
- Contact Rating: 10 Amps
- Terminal Type: Blade Terminals
- Indicator: Yes (status indicator included)
Applications
- HVAC control panels and air handling unit controls
- Building automation and energy management systems
- Fan, pump, and motor switching circuits
- Commercial and light industrial control panels
- Zone control and sequencing applications
Why Choose the IDEC RR3B-ULAC24V?
IDEC’s RR Series power relays are trusted by HVAC professionals and control panel builders for their consistent switching accuracy and long operational life. The 24VAC coil voltage integrates seamlessly into standard low-voltage HVAC control circuits, while the 3PDT configuration eliminates the need for multiple single-pole relays in multi-circuit applications. The integrated status indicator simplifies troubleshooting and system commissioning, saving valuable time in the field.








