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NFBUP-S N4 | Belimo Spring Return Damper Actuator 90 In Lb 24–240 VAC NEMA 4X
- Regular price
- $869.00
- Sale price
- $869.00
- Regular price
-
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Product Description P/N: NFBUP-S N4
Description
The Belimo NFBUP-S N4 is a spring return damper actuator designed to provide reliable fail-safe operation with 90 in-lb of constant torque. It operates across a wide 24–240 VAC voltage range and features a sealed NEMA 4X enclosure for demanding indoor and outdoor HVAC applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Dampers & Actuators |
| Part Number | NFBUP-S N4 |
| Subcategory | Damper Actuators |
| Nominal Voltage | AC 24…240 V |
| Nominal Frequency | 50/60 Hz |
| Power Consumption (Running) | 6 W |
| Power Consumption (Holding) | 2.5 W |
| Torque Output | 90 in-lb (10 Nm) |
| Control Type | On/Off |
| Spring Return | Yes |
| Auxiliary Switch | 2x SPDT |
| Electrical Connection | Two 18 AWG cables, 3 ft, 1/2" conduit |
| Operating Temperature | -30…50°C [-22…122°F] |
| Housing Rating | IP66 / NEMA 4X |
| Electrical Protection | Double insulated |
| Enclosure Type | UL Type 4X |
| Weight | 9.2 lb |
Information About NFBUP-S N4
The NFBUP-S N4 is part of Belimo’s NFB spring return actuator series engineered for dependable damper control in HVAC systems requiring positive close-off. It delivers constant torque whether power is applied or not, ensuring stable damper positioning and secure fail-safe response during power loss. The actuator can be stalled at any point within its normal rotation without the need for mechanical end switches, reducing wear and simplifying system design. Its rugged IP66 / NEMA 4X enclosure supports use in harsh environments where moisture, dust, or washdown conditions are present.
Key Features
- True Spring Return Fail-Safe Operation: Provides automatic return to the safety position upon power loss, ensuring reliable damper closure in critical airflow applications.
- Constant Torque Performance: Maintains full 90 in-lb torque with or without power applied, supporting consistent damper control and positive sealing.
- Wide Voltage Range Capability: Operates on AC 24–240 V at 50/60 Hz, reducing the need for multiple actuator variants across installations.
- Stall Protection By Design: Can be stalled anywhere in its rotation range without mechanical end switches, preventing damage and simplifying installation.
- Dual Auxiliary Switches: Includes two SPDT switches for position indication, interlocking, and system monitoring functions.
- Rugged Sealed Housing: IP66 and NEMA 4X rated enclosure protects internal components from water, dust, and corrosive environments.
- Double Insulated Construction: Enhances electrical safety and long-term reliability in demanding HVAC installations.
The NFBUP-S N4 delivers the reliability and precision required for fail-safe damper control and positive air shutoff in commercial and industrial HVAC systems.
Description
The Belimo NFBUP-S N4 is a spring return damper actuator designed to provide reliable fail-safe operation with 90 in-lb of constant torque. It operates across a wide 24–240 VAC voltage range and features a sealed NEMA 4X enclosure for demanding indoor and outdoor HVAC applications.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Belimo |
| Category | Dampers & Actuators |
| Part Number | NFBUP-S N4 |
| Subcategory | Damper Actuators |
| Nominal Voltage | AC 24…240 V |
| Nominal Frequency | 50/60 Hz |
| Power Consumption (Running) | 6 W |
| Power Consumption (Holding) | 2.5 W |
| Torque Output | 90 in-lb (10 Nm) |
| Control Type | On/Off |
| Spring Return | Yes |
| Auxiliary Switch | 2x SPDT |
| Electrical Connection | Two 18 AWG cables, 3 ft, 1/2" conduit |
| Operating Temperature | -30…50°C [-22…122°F] |
| Housing Rating | IP66 / NEMA 4X |
| Electrical Protection | Double insulated |
| Enclosure Type | UL Type 4X |
| Weight | 9.2 lb |
Information About NFBUP-S N4
The NFBUP-S N4 is part of Belimo’s NFB spring return actuator series engineered for dependable damper control in HVAC systems requiring positive close-off. It delivers constant torque whether power is applied or not, ensuring stable damper positioning and secure fail-safe response during power loss. The actuator can be stalled at any point within its normal rotation without the need for mechanical end switches, reducing wear and simplifying system design. Its rugged IP66 / NEMA 4X enclosure supports use in harsh environments where moisture, dust, or washdown conditions are present.
Key Features
- True Spring Return Fail-Safe Operation: Provides automatic return to the safety position upon power loss, ensuring reliable damper closure in critical airflow applications.
- Constant Torque Performance: Maintains full 90 in-lb torque with or without power applied, supporting consistent damper control and positive sealing.
- Wide Voltage Range Capability: Operates on AC 24–240 V at 50/60 Hz, reducing the need for multiple actuator variants across installations.
- Stall Protection By Design: Can be stalled anywhere in its rotation range without mechanical end switches, preventing damage and simplifying installation.
- Dual Auxiliary Switches: Includes two SPDT switches for position indication, interlocking, and system monitoring functions.
- Rugged Sealed Housing: IP66 and NEMA 4X rated enclosure protects internal components from water, dust, and corrosive environments.
- Double Insulated Construction: Enhances electrical safety and long-term reliability in demanding HVAC installations.
The NFBUP-S N4 delivers the reliability and precision required for fail-safe damper control and positive air shutoff in commercial and industrial HVAC systems.