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The Honeywell M9484E4003 is a proportional firing rate motor belonging to the Modutrol IV series. Rated for 24 VAC operation, it delivers a torque of 150 lb-in., and is designed to operate in ambient temperatures ranging from -40°C to 66°C under specific duty cycles.
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| Manufacturer | Honeywell |
|---|---|
| Product Type | Proportional firing rate motor |
| Product Line | Modutrol IV |
| Part Number | M9484E4003 |
| Torque Rating | 150 lb-in. |
| Voltage Rating | 24 VAC |
| Control Input | Proportional, Series 90 (135 ohms) |
| Min. Ambient Operating Temperature | -40°C |
| Max. Ambient Operating Temperature | 66°C (with 25% duty cycle) |
| Stroke | Field-adjustable from 90° or 160° |
| Timing (90° Stroke) | 30 seconds |
| Timing (160° Stroke) | 60 seconds |
| Crankshaft | 3/8 in. square, double-ended |
| Auxiliary Switches | 1 auxiliary switch |
| Housing Material | Die-cast aluminum |
| Enclosure Rating | NEMA 3 (wiring box) |
The M9484E4003 model from Honeywell's Modutrol IV series is a highly efficient proportional firing rate motor. This motor operates at a voltage rating of 24 VAC and produces a robust torque output of 150 lb-in. It adapts to extreme environmental conditions, functioning effectively within a wide temperature range, from a chilly -40°C up to a maximum of 66°C while maintaining a 25% duty cycle.
The stroke of this device is adjustable, allowing users to select between 90° or 160° based on specific application needs. Timing varies based on stroke length, with a quick response of 30 seconds for a 90° stroke and 60 seconds for a broader 160° stroke, enabling flexibility in operation. The motor utilizes a double-ended crankshaft measuring 3/8 inches square for effective connections.
Additionally, it features one auxiliary switch, expanding its capabilities in diverse control scenarios. The motor is housed in a die-cast aluminum enclosure that not only enhances durability but also meets NEMA 3 ratings, ensuring it is well protected against dust and water ingress, suitable for various indoor and outdoor installations. It employs a proportional control input of 135 ohms under Series 90 specifications, making it optimal for precise control applications.