Honeywell CN4634A1001 Non-Spring Return Damper Actuator, 230Vac, 34 Nm, 2-Position / Floating
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The Honeywell CN4634A1001 is a heavy-duty, non-spring return direct-coupled damper actuator designed for dependable 2-position (ON/OFF) and floating control in large-scale commercial and industrial HVAC systems. Operating on a standard 230Vac power supply and delivering an exceptionally high 34 Nm (300 lb-in) of torque, this robust rotary actuator is engineered to efficiently drive oversized air dampers, VAV units, and large ventilation flaps up to approximately 8.0 sq.m (85 sq.ft). Encased in a rugged IP54-rated environmental housing and featuring a universal shaft adapter with a manual declutch override, it ensures industry-leading mechanical durability, precise positioning, and simplified installation for demanding enterprise building automation networks.
| Product ID (MPN) | CN4634A1001 |
| Actuator Type | Non-Spring Return, Direct-Coupled |
| Control Signal | 2-Position / Floating |
| Nominal Voltage | 220V - 240Vac, 50/60 Hz |
| Torque Rating | 34 Nm (300 lb-in) |
| Max Damper Area | Up to 8.0 sq.m / 85 sq.ft. (Seal-less dampers) |
| Rotation Stroke | 95° ± 3° |
| Runtime for 90° | Approx. 95s - 110s |
| Protection Standard | IP54 (as per EN 60529) / Type 1 Enclosure |
| Feedback Signal | None |
| Internal Auxiliary Switches | None |
| Ambient Operating Limits | -20... +60 °C (-5... +140 °F) |
| Mechanical Lifetime | 60,000 full stroke cycles / 1.5 million repositions |
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