Belimo Aircontrols (USA), Inc. AFB24-SR N4 BELIMO SPRG ACT NEMA 4 2-10V 24V 180in

SKU: AFB24SRN4
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BELIMO SPRG ACT NEMA 4 2-10V 24V 180in

ApplicationFor modulation of dampers in HVAC systems. Actuator sizing should be done in accordance with the damper manufacturer?s specifications. The actuator is mounted directly to a damper shaft up to 1.05? in diameter by means of its universal clamp. The actuator operates in response to a 2 to 10 VDC, with the addition of a 500� resistor, a 4 to 20 mA control input from an electronic controller or positioner. A 2 to 10 VDC feedback signal is provided for position indication. Not to be used for a master-slave application.
AF-PAnti-rotation bracket AF/NF.
ZG-DC1Damper clip for damper blade, 3.5? width.
ZG-DC2Damper clip for damper blade, 6? width.
TOOL-068 mm and 10 mm wrench.
PS-100Actuator power supply and control simulator.
SGA24Positioner control for modualting actuators (surface mount).
SGF24Positioner control for modulating actuators (flush mount).
ADS-100Analog to digital switch for modulating actuators.
ZG-R014 to 20 mA adaptor, 500�, 1/4 W resistor w 6? pigtail wires.
ZG-X40120 to 24 VAC, 40 VA transformer.
PTA-250Pulse width modulation interface for modulating actuators.
IRM-100Input rescaling module for modulating actuators
KG10ABall joint for 3/8? diameter rod, zinc plated.
KH10Univ. crankarm, slot 21/64? w, for 9/16? to 1? dia. shafts.
SH10Push rod for KG10A ball joint (36? L, 3/8? diameter).
TOOL-0713 mm wrench.
ZG-JSA-31.05? diameter jackshaft adaptor (12? L).
ZG-R0250% voltage divider kit (resistors with wires).
ZG-SGFMounting plate for SGF.
ZG-JSA-11? diameter jackshaft adaptor (11? L).
ZG-JSA-21-5/16? diameter jackshaft adaptor (12? L).
11097-00001Gasket for cable gland (for NEMA 4 models).
43442-00001Cable gland (for NEMA 4 models).
OperationThe AF..24-SR N4 series actuators provide true spring return operation for reliable fail-safe application and positive close off on air tight dampers. The spring return system provides constant torque to the damper with, and without, power applied to the actuator. The AF..24-SR N4 series provides 95� of rotation and is provided with a graduated position indicator showing 0� to 95�. The AF..24-SR N4 uses a brushless DC motor which is controlled by an Application Specific Integrated Circuit (ASIC) and a microprocessor. The microprocessor provides the intelligence to the ASIC to provide a constant rotation rate and to know the actuator?s exact fail-safe position. The ASIC monitors and controls the brushless DC motor?s rotation and provides a digital rotation sensing function to prevent damage to the actuator in a stall condition. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. The AF..24-SR N4 actuator is shipped at 5� (5� from full fail-safe) to provide automatic compression against damper gaskets for tight shut-off.
Typical SpecificationSpring return control damper actuators shall be direct coupled type which require no crank arm and linkage and be capable of direct mounting to a jackshaft up to a 1.05? diameter. The actuator must provide modulating damper control in response to a 2 to 10 VDC or, with the addition of a 500? resistor, a 4 to 20 mA control input from an electronic controller or positioner. The actuators must be designed so that they may be used for either clockwise or counter clockwise fail-safe operation. Actuators shall use a brushless DC motor controlled by a microprocessor and be protected from overload at all angles of rotation. Run time shall be constant, and independent of torque. A 2 to 10 VDC feedback signal shall be provided for position feedback. Actuators with auxiliary switches must be constructed to meet the requirements for Double Insulation so an electrical ground is not required to meet agency listings. Actuators shall be cULus listed and have a 5 year warranty, and be manufactured under ISO 9001 International Quality Control Standards. Actuators shall be as manufactured by Belimo.

Product Family

Model NumberDecriptionManufacturerPriceAvail. Qty 
AFB24SRN4 BELIMO SPRG ACT NEMA 4 2-10V 24V 180in Belimo Aircontrols (USA), Inc. Call for Pricing 0    View More Info

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