Belimo LRB24-3 User Manual

Technical Data
2253
Power Supply 24 VAC, ±20%, 50/60 Hz, 24 VDC, ±10%
Power Consumption Running 1.5 W
Power Consumption Holding 0.2 W
Transformer Sizing 2.5 VA (class 2 power source)
Electrical Connection 3ft [1m], 18 GA plenum cable with 1/2” conduit
connector
Overload Protection electronic thoughout 0° to 90° rotation
Input Impedance 600 Ω
Angle of Rotation 90°
Direction of Rotation (Motor) reversible with built-in switch
Position Indication integrated into handle
Manual Override external push button
Running Time (Motor) 90 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]
Housing NEMA 2, IP54, UL Enclosure Type 2
Agency Listings† cULus acc. to UL60730-1A/-2-14, CAN/CSA
E60730-1:02, CE acc. to 2004/108/EC
Noise Level (Motor) <35 dB (A)
Servicing maintenance free
Quality Standard ISO 9001
†Rated Impulse Voltage 800V, Type action 1.B , Control Pollution Degree 3.
LRB24-3
On/Off, Floating Point, Non-Spring Return, 24 V
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date created, 11/29/2017 - Subject to change. © Belimo Aircontrols (USA), Inc.

Belimo LRB24-3 Specifications

General

Brand	Belimo
Model	LRB24-3
Category	Controller
Language	English

Summary

Technical Data

Power Supply

Specifies the voltage and frequency range for the power supply.

Power Consumption Running

Details the power draw of the actuator during operation.

Power Consumption Holding

Details the power draw when the actuator is holding a position.

Transformer Sizing

Information on the appropriate transformer capacity required.

Electrical Connection

Describes the type, length, and connector of the electrical connection.

Overload Protection

Details the integrated overload protection mechanism for the motor.

Input Impedance

Specifies the impedance characteristic for control signal inputs.

Angle of Rotation

Indicates the maximum rotational angle the actuator can achieve.

Direction of Rotation (Motor)

Explains how to reverse the motor's direction of rotation.

Position Indication

Describes the method used for indicating the actuator's position.

Manual Override

Details the mechanism for manual operation of the actuator.

Running Time (Motor)

Specifies the time required for the motor to complete its rotation.

Ambient Temperature Range

Defines the acceptable operating temperature range for the actuator.

Storage Temperature Range

Defines the acceptable temperature range for storing the actuator.

Housing

Describes the enclosure type and its environmental protection rating.

Agency Listings

Lists the certifications and standards the product complies with.

Noise Level (Motor)

Specifies the maximum noise level produced by the motor.

Servicing

Information regarding the maintenance requirements of the actuator.

Quality Standard

Indicates the quality management system standard followed.

Wiring Diagrams

INSTALLATION NOTES

Important guidelines and precautions for installing the actuator.