LM
Wiring Diagrams
J20741 - Subject to change. © Belimo Aircontrols (USA), Inc.
1
2
3
24 VAC Transformer
a open
a closed
The indication of direction
is valid for switch position 1.
Blk (1) Common
Red (2) +
Wht (3) +
LMX24-3
a
Line
Volts
–
1
0
W343
1
2
3
24 VAC Transformer
The indication of direction
is valid for switch position 1.
Blk (1) Common
Red (2) +
Wht (3) +
LMX24-3
Line
Volts
–
1
0
W344
On/Off
3
1
2
Provide overload protection and disconnect as required.
Actuators may also be powered by 24 VDC.
Meets cULus requirements without the need of an
electrical ground connection.
Notes:
Floating Point or On/Off control
LMX24-3 (-T)
On/Off-Floating Point Control, Non-Spring Return, Direct Coupled, 24 V
LMX24-3 - Typical Specification:
Floating point, on/off control damper actuators shall be elec-
tronic direct-coupled type, which require no crankarm and link-
age and be capable of direct mounting to a shaft from 1/4” to
5/8”. Shafts up to 3/4” diameter can be accommodate with an
accessory clamp. Actuators shall have Brushless DC motor
technology and be protected from overload at all angles of rota-
tion. Actuators shall have reversing switch and manual override
on the cover. If required, actuator will be provided with screw
terminal strip for electrical connections (LMX24-3-T). Run time
shall be constant and independent of torque. Actuators shall be
cULus listed, have a 5-year warranty, and be manufactured
under ISO 9001 International Quality Control Standards.
Actuators shall be as manufactured by Belimo.
Accessories
K-LM20
3/4” [20 mm] Clamp
AV6-20
Shaft Extension
ZG-LMSA
Shaft Adaptor for 1/2” Diameter Shafts
ZG-LMSA-1
Shaft Adaptor for 3/8” Diameter Shafts
ZS-T
Terminal Cover for NEMA 2
ZS-100
Weather Shield - Steel
ZS-150
Weather Shield - Polycarbonate
Tool-06
8 mm & 10 mm Wrench
S1A, S2A
Auxiliary Switch (es)
P370
Shaft Mount Auxiliary Switch
P…A
Feedback Potentiometers
Note: When using LMX24-3… actuators, only use acces-
sories listed on this page.
®
205