Belimo Aircontrols (USA), Inc. LF24-MFT-20 DCA SPRING 35# 6-9VDC CONTROL

SKU: LF24MFT20
Unit Price
List Price$859.00
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DCA SPRING 35# 6-9VDC CONTROL

Weight3.3 lb [1.5 kg]
Servicingmaintenance free
Power Consumption Running3 W
Power Consumption Holding1.5 W
Transformer Sizing6 VA (class 2 power source)
Electrical Connection3 ft [1 m], 18 GA appliance cable with 1/2? conduit connector
Overload Protectionelectronic throughout 0� to 95� rotation
Input Impedance100 k ?
Angle of Rotationmax. 95�, adjustable with mechanical stop
Direction of Rotation (Motor)reversible with built-in switch
Running Time (Motor)150 sec (default), variable (75 to 300 sec)
Ambient Temperature Range-22�F to +122�F [-30�C to +50�C]
Storage Temperature Range-40�F to +176�F [-40�C to +80�C]
HousingNEMA 2, IP54
Agency ListingscULus acc. To UL 873 and CAN/CSA C22.2 No. 24-93
Noise Level (Motor)<30 dB (A)
Quality StandardISO 9001
Operating Range Y6 to 9 VDC (Default), P-10005 (A05)
Direction of Rotation (Fail-Safereversible with CW/CCW mounting
Position Indicationvisual indicator, 0� to 95� (0� is full spring return position)
Running Time (Fail-Safe)<25 sec @ -4�F to 122�F [-20�C to 50�C], < 60 sec @ -22�F [-30�C]
Noise Level (Fail-Safe)<62 dB (A)
Feedback Output U2 to 10 VDC, 0.5 mA max, VDC variable
Housing Materialzinc coated steel
Electrical protectionactuators are double insulated
Angle of Rotation AdaptationOff (default)
Override Controlmin. position = 0% , mid. Position = 50% , max. position = 100% (Default)
Humiditymax. 95% RH non-condensing
Shaft Diameter3/8? to 1/2? round, centers on 1/2?
Torque35 in-lbs [4 Nm] minimum
MFT-PBelimo MFT configuration software (hardware not included).
ZTH USHandheld programming tool w/ ZK1-GEN, ZK2-GEN, ZK6- GEN.
ZK2-GENCable for ZTH US to actuators w/o diagnostics socket.
SH8Push rod for KG6 & KG8 ball joints (36? L, 5/16? diameter).
ZG-DC1Damper clip for damper blade, 3.5? width.
ZG-DC2Damper clip for damper blade, 6? width.
ZS-100Weather shield - galvaneal (13? L x 8? W x 6? D).
ZS-150Weather shield - PC w/ foam seal (16? L x 8-3/8? W x 4? D).
ZS-260Explosion proof housing.
ZS-300NEMA 4X, 304 stainless steel enclosure.
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.
KG8Ball joint for 5/16? diameter rod, 90�, galvanized steel
KG10ABall joint for 3/8? diameter rod, zinc plated.
SH10Push rod for KG10A ball joint (36? L, 3/8? diameter).
UK24BACBACnet gateway module for up to 8 MFT actuators.
UK24LONLON gateway module for up to 8 MFT actuators
UK24MODMODbus gateway module for up to 8 MFT actuators
ZG-R0250% voltage divider kit (resistors with wires).
ZG-SGFMounting plate for SGF.
ZG-109Right angle bracket for ZS-260.
ZG-110Stand-off bracket for ZS-260.
ZS-101Base plate for ZS-100.
ZS-300-5NEMA 4X, 316L stainless steel enclosure.
ZS-300-C11/2? shaft adaptor, standard wtih ZS-300(-5).
ZS-300-C23/4? shaft adaptor for ZS-300(-5).
ZS-300-C31? shaft adaptor for ZS-300(-5).
KH12Univ. crankarm, slot 21/64? w, for 3/4? to 1? dia. shafts.
KH8Univ. crankarm,slot 21/64? w,for 3/8? to 11/16? dia. shafts.
AV6-206.7? shaft extension for 1/4? to 3/4? diameter shafts.
IND-LFLF position indicator
K6 USStandard LF clamp (3/8? to 1/2?).
K6-1LF clamp (1/2? to 3/4?).
KG6Ball joint for 5/16? diameter rod, zinc plated.
KH6Univ. crankarm, slot 1/4? w, for 3/8? to 11/16? dia. shafts.
KH-LFLF crankarm (with 1/2? diameter shaft pass through).
KH-LFVV-bolt Kit for KH-LF
LF-PAnti-rotation bracket LF
ZDB-LFAngle of rotation Limiter for LF.
ZF8-LF8x8 mm form fit adaptor for LF.
ZG-112LF right angle bracket (4-1/2? H x 5-1/2? W x 2-1/2? D).
ZG-LF112LF crankarm adaptor kit (includes ZG-112).
ZG-LF2LF crankarm adaptor kit (T bracket included)
ZG-LMSA-1Shaft extension for 3/8? diameter shafts (4? L).
ZG-LMSA-1/2-5Shaft extension for 1/2? diameter shafts (5? L)
OperationThe LF24-MFT-20 US actuator provides 95� of rotation and is provided with a graduated position indicator showing 0� to 95�. The actuator will synchronize the 0� mechanical stop or the damper or valves mechanical stop and use this point for its zero position during normal control operations.The actuator 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 position. The ASIC monitors and controls the brushless DC motor?s rotation and provides a Digital Rotation Sensing (DRS) function to prevent damage to the actuator in a stall condition. The position feedback signal is generated without the need for mechanical feedback potentiometers using DRS. The actuator may be stalled anywhere in its normal rotation without the need of mechanical end switches. The LF24-MFT-20 US is mounted directly to control shafts up to 3/4? diameter (K6-1 clamp) and anti-rotation bracket. A crank arm and several mounting brackets are available for damper applications where the actuator cannot be direct coupled to the damper shaft. The spring return system provides minimum specified torque to the application during a power interruption. The LF24-MFT-20 US actuator is shipped in the zero position, compression against seats or gaskets for tight shut-off is accomplished manually.

Product Family

Model NumberDecriptionManufacturerPriceAvail. Qty 
LF24MFT20 DCA SPRING 35# 6-9VDC CONTROL Belimo Aircontrols (USA), Inc. $386.55 2    Add To Cart

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