00132720_0
Actuator LM24A-SR


00132720_0

SERVOMOTEURS MODULANTS 

FOR VARIABLE VOLUME FLOWS IN AIR CONDITIONING SYSTEMS

Actuators for mechanical self-powered CAV controllers Type EN, RN, or VFC, and for flow adjustment dampers Type VFR

  • Setpoint value adjustment 
  • Supply voltage 24 V AC/DC
  • Control input signal: Voltage signal 0 – 10 V DC or 2 – 10 V DC
  • Potentiometer or mechanical stops
  • Positive lock connection with CAV controller or flow adjustment damper
  • Retrofit possible

Application

Application

  • Actuators for variable adjustment
  • For moving the damper blades of Type AK and AKK shut-off dampers to any position

Description

Parts and characteristics

  • Mechanical stops for limiting the damper blade positions
  • Supply voltage 24 V AC/DC
  • Overload protection
  • Setpoint value signal 2 – 10 V DC
  • Release button to allow for manual operation

Technical information

FUNCTION, TECHNICAL DATA, Produktbeziehungen

  • FUNCTION
  • TECHNICAL DATA
Variable control initiated by a voltage signal
00114090_0.
U Voltage signal 0 – 10 V DC or 2 – 10 V DC


00114090_0.
00184309_0
00184315_0

Functional description

The actuator moves the blade of a shut-off damper to any position between the OPEN and CLOSED positions.

The control input signal is a voltage signal.

Control options and effect of actuator action in case of factory setting

Order code detail Function Control Direction of rotation
Order code detail Function Control 1 2

B20

Variable

Variable control

B20

Open/close

1-wire control, 2-wire control

OPEN

CLOSED


Actuators LM24A-SR and LM24A-SR-F

Supply voltage (AC)

24 V AC ± 20 %, 50/60 Hz

Supply voltage (DC)

24 V DC ± 20 %

Power consumption – load

1 W

Power consumption – idle

0.4 W

Power rating

2 VA

Torque

5 Nm

Running time for 90°

150 s

Position feedback

2 – 10 V DC, 1 mA

Control signal

2 – 10 V DC, Ra > 100 kΩ

Connecting cable

4 × 0.75 mm², 1 m long

IEC protection class

III (protective extra-low voltage)

Protection level

IP 54

EC conformity

EMC to 2014/30/EU, RoHS to 2011/65/EU

Operating temperature

–30 to 50 °C

Weight

0.5 kg


Variants

  • Variants
Actuator LM24A-SR 00132720_0


Any attachments are to be defined with the order code of the shut-off damper.

B20

Application

  • Actuator LM24A-SR
  • Stepless adjustment as well as opening and closing of shut-off dampers

Parts and characteristics

  • Supply voltage 24 V AC/DC
  • Control input signal: Setpoint value signal 2 – 10 V DC, corresponds to the total rotation range (90°), working range is limited by mechanical stops
  • Output: Position feedback 2 – 10 V
  • Mechanical stops
  • Direction of action can be reversed
  • Release button to allow for manual operation

Actuators for the variable adjustment of shut-off dampers

Order code detail Actuator Supply voltage
Order code detail Part number Type Supply voltage

B20

M466DT6 with M536AJ4

LM24A-SR

24 V


Electrical connection

  • Electrical connection
LM24A-SR, connecting cable core identification 00114398_0.
1 ⊥, –: Ground, neutral
2 ~, +: Supply voltage
3 Y: Setpoint value signal
5 U: Position feedback

LM24A-SR and LM24A-SR-F

Downloads

product information

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Contact

We are here for you

Please specify your message and type of request.
Tel.: +32(0)2 522 07 80 | E-mail: info@trox.be

Attachment (max. 10MB)
Your message
Your message to

Fields marked with an (*) are required fields.

Contact

Thank you for your message!

Your message is send and will be processed shortly.
Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +32(0)2 522 07 80 | E-mail: info@trox.be

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