Datasheet > LSR-230

LSR-230

更新时间： 2024-11-10 13:45:23

品牌	Logo	应用领域
力特 - LITTELFUSE		/
页数	文件大小	规格书
1页	205K
描述
The LSR-XXX load sensors use current levels to determine feed rates, tool wear, loss of prime on p

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LSR-230 数据手册

Protection Relays

Current Monitoring Relays and Transducers

LSR-XXX SERIES

Load sensor

Description

The LSR-xxx Series load sensors use current levels to determine

feed rates, tool wear, loss of prime on pumps, mixer viscosity

and all types of overload and underload conditions. They

may also be used to stage pump motors, chillers and other

machinery. These devices combine a current transformer (CT)

with Form C (SPDT) relay contacts to switch alarm circuits,

contactors or any resistive or inductive load. One simple

screwdriver adjustment will calibrate the sensor for all single-

phase or 3-phase applications up to 100hp.

Features

Can monitor current of motors up to 100Hp

Fine adjustment with 20-turn pot

Status LEDs

Wiring Diagram

Speciﬁcations

Functional Characteristics

TYPICAL WIRING DIAGRAM FOR LOAD LOSS DETECTION

Isolation

Current Adjustment Range

(Typical)

600VAC rms

2-100A

Current Adjustment Range

(Min-Max)

0.5-135A

Trip Setpoint

Adjustable to 1% range

Input Characteristics

Control Power:

LSR-24

24VAC

LSR-115

115VAC

LSR-230

230VAC

Max Current Ratings

Output Characteristics

Output Contact Rating (SPDT):

Pilot Duty

General Purpose

General Characteristics

Temperature Range

Wire Size

135A max. continuous

TYPICAL WIRING DIAGRAM FOR OVERLOAD DETECTION

480VA @ 240VAC

10A

-20° to 70°C (-4° to 158°F)

#12-24AWG

Hole Size

Terminal Torque

Safety Marks

0.725” diameter

7 in.-lbs.

CSA, CSA-NRTL/C

(File #46510)

IEC 60947

Dimensions

H 42.42 mm (1.67”); W 58.42 mm (2.3”);

D 90.43 mm (3.56”)

Weight

Mounting Method

0.4 lb. (6.4 oz., 181.44 g)

Four #6 screws 3/4” in length

Caution: This product should not be relied upon solely for safety of life or safety applications.

Ordering Information

MODEL

LSR-24

LSR-115

LSR-230

LINE VOTAGE

24VAC

115VAC

230VAC

www.littelfuse.com/lsrxxx

Rev: 1-A-062716

中文翻译

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