The Delta Control Products DM24-140 is a non-spring return electric actuator designed for precise modulation of dampers and valves in HVAC systems. Operating on 24 VAC or 24 VDC power, it delivers a torque output of 140 in-lb (16 N·m), making it suitable for medium to large-sized applications. The actuator accepts modulating control signals of 2-10 VDC or 4-20 mA, allowing for accurate positioning in response to varying input signals. It features a rotation range adjustable up to 90 degrees, with a mechanical limit of 93 degrees, and includes a manual gear release for easy manual positioning during installation or maintenance. The DM24-140 is housed in a NEMA 2, IP42-rated enclosure, providing protection against dust and light water spray, making it suitable for indoor applications.
2-10VDC 4-20mA 24VAC/DC Actuator
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| Manufacturer | Delta Control Products |
| Model | DM24-140 |
| Power Supply | 24 VAC ±10% or 24 VDC ±10% |
| Power Consumption | 7.5 VA |
| Torque Output | 140 in-lb (16 N·m) |
| Control Signal | 2-10 VDC or 4-20 mA |
| Rotation Range | 0 to 90°, mechanically limited to 93° |
| Rotation Time | 70 to 115 seconds at 50% rated load |
| Manual Override | Manual gear release |
| Mounting | Direct mount on round shafts up to 3/4 inch (20 mm) or square shafts up to 5/8 inch (16 mm) |
| Enclosure Rating | NEMA 2, IP42 |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |