Overview
The NTE R04-11A30-24 is a rugged, general-purpose relay designed for demanding industrial control environments. This heavy-duty DPDT (double-pole, double-throw) relay handles 30A switching capacity and is optimized for high inrush current applications such as motor starting and incandescent lamp loads. Built with molded plastic barrier insulation and a molded nylon bobbin coil, it delivers dependable performance in motor control panels, HVAC systems, and general-purpose switching circuits.
Key Features
- 30-amp contact rating at up to 300VAC (50/60 Hz)
- Dual-pole, dual-throw (DPDT) contact configuration for versatile switching
- Heavy-duty open frame design rated for motor starting and high inrush loads
- Molded plastic barrier insulation and nylon bobbin for durability
- Long-life silver cadmium oxide contacts for extended cycle life
- UL and CSA listed for safety and compliance
Technical Specifications
The R04-11A30-24 delivers industrial-grade performance across a broad range of AC and DC loads:
- Coil Voltage: 24VAC nominal
- Contact Configuration: DPDT (double-pole, double-throw)
- Contact Rating (AC): 30A up to 300VAC; 5A at 480–600VAC (50/60 Hz, 0.75 PF slightly inductive)
- Contact Rating (DC): 30A at 28VDC (resistive load, each pole)
- Motor Load Capability: 1½ HP at 120–600VAC (50/60 Hz)
- Contact Material: Silver cadmium oxide
- Termination: Screw terminals
- Coil Type: AC
- Mounting: Panel, open frame
- Certifications: UL and CSA listed
Typical Applications
The NTE R04-11A30-24 is ideal for:
- Motor control circuits and motor starters
- HVAC heating and cooling system switching
- Lighting control and contactor circuits
- Solenoid and pump control applications
- Industrial automation and machine control panels
- High-inrush-current load switching
Compatibility & Replacements
Compatible With
- Standard 24VAC control circuits and power distribution systems
- Motor control centers (MCCs) and industrial control panels
- HVAC equipment and building automation systems
- General-purpose relay-based switching applications
- Industrial machinery and manufacturing equipment
Replaces / Drop-In Replacement For
The NTE R04-11A30-24 directly replaces other 24VAC 30A DPDT relays in the R04 series family. Verify compatibility with your control system integrator before ordering to ensure proper fit and electrical ratings.
Works With
- 24VAC control voltage sources
- Programmable Logic Controllers (PLCs) with 24VAC relay outputs
- Industrial Automation Control Systems (IACSs)
- Motor starter and drive circuits
- Standard electrical panel wiring and distribution




