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LLC24B2F50N

更新时间： 2024-11-06 14:56:39
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
2页 403K
描述
LLC24B2F50N is a dual-probe conductive liquid level control with ac input voltage of 120 and a fixed sensing resistance of 50 k?.

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LLC24B2F50N 数据手册

 浏览型号LLC24B2F50N的Datasheet PDF文件第2页 
Protection Relays  
Pump Controls and Liquid Level Controls  
LLC2 SERIES  
Open Board Liquid Level Controls  
Description  
The LLC2 Series is a dual-probe conductive liquid level control  
designed for OEM equipment and commercial appliance  
applications. Models are available for fill or drain operation.  
Transformer isolated 12VAC is provided at the probes to prevent  
electrolysis. A trickle current of less than 1mA determines the  
presence or absence of liquid between the probes and common.  
On adjustable units, the sensitivity adjustment allows accurate  
level sensing while ignoring foaming agents and floating debris.  
The LLC2 Series printed circuit board is conformal coated to  
resist moisture and corrosion.  
Operation  
Drain (Pump-Down Mode): When the liquid level rises and  
touches the high probe, the output relay energizes and remains  
energized until the liquid level falls below the low probe. The  
output relay then de-energizes and remains de-energized until  
the liquid again touches the high probe.  
Wiring Diagram  
Fill (Pump-Up Mode): When the liquid level falls below the low  
probe, the output relay energizes and remains energized until  
the liquid level rises and touches the high probe. The output  
relay then de-energizes and remains de-energized until the liquid  
level again falls below the low probe.  
V = Voltage  
L = Low Probe  
H = High Probe  
C = Probe Common  
P = Probe  
∆S = Sensitivity  
Adjustment  
NC = Normally  
Closed  
NO = Normally  
Open  
Features & Benefits  
FEATURES  
BENEFITS  
Isolated 12VAC probes  
Prevents scale buildup on the probes  
Metal Tank or use  
additional Probe  
Cost effective design for OEM equipment and  
commercial appliances  
Open PCB design  
Connect common to conductive tank. Additional  
probe is necessary for non-conductive or  
insulated tanks.  
Conformally coated PCB  
Sensitivity adjustment  
Protects against moisture and corrosion  
L1  
N/L2  
Provides accurate level sensing while ignoring foam  
or floating debris  
Accessories  
P1015-13 (AWG 10/12), P1015-64 (AWG 14/16),  
P1015-14 (AWG 18/22) Female Quick Connect  
These 0.25 in. (6.35 mm) female terminals are  
constructed with an insulator barrel to provide  
strain relief.  
Ordering Information  
INPUT  
SENSE  
RESISTANCE  
MODEL  
OPERATION TERMINATION  
VOLTAGE  
P1015-18 Quick Connect to Screw Adapter  
Screw adapter terminal designed for use with  
all modules with 0.25 in. (6.35 mm) male quick  
connect terminals.  
Adjustable  
to 100kΩ  
120VAC  
LLC24A2AN  
LLC24A2F50N  
LLC24B1AC  
Drain  
Drain  
Fill  
Terminal block  
120VAC  
120VAC  
Terminal block Fixed 50kΩ  
0.25”  
Adjustable  
Quick connect to 100kΩ  
PHST-38QTN Electrode  
Designed for a maximum steam pressure of  
240 PSI; 400° F. UL353 Recognized.  
0.25”  
120VAC  
120VAC  
230VAC  
LLC24B1F26C  
LLC24B2F50N  
LLC26A1F25C  
Fill  
Fixed 26kΩ  
Quick connect  
LLP-24 Threaded Probe (24”)  
Threaded stainless steel probe measuring 24”  
(61 cm) long. For use with PHST-38QTN liquid  
level control electrodes.  
Fill  
Terminal block Fixed 50kΩ  
0.25”  
Drain  
Fixed 25kΩ  
Quick connect  
If you don’t find the part you need, call us for a custom product 800-843-8848  
© 2016 Littelfuse Protection Relays & Controls  
www.littelfuse.com/llc2  
Rev: 1-A-062716  
12

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