Datasheet > LLC14B60AX

LLC14B60AX

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	389K
描述
LLC14B60AX is a single-probe, open board conductive liquid level control with input voltage ac of 120 and a fixed time delay of 60 s.

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LLC14B60AX 数据手册

Protection Relays

Pump Controls and Liquid Level Controls

LLC1 SERIES

Open Board Liquid Level Controls

Description

The LLC1 Series is a single probe conductive liquid level control

designed for OEM equipment and commercial appliances. This

unit may be ordered with ﬁxed ﬁll or ﬁxed drain operation. A

time delay (1-60s) prevents rapid cycling of the output relay.

On adjustable units, the sensitivity adjustment allows accurate

level sensing while ignoring foaming agents and ﬂoating

debris. Isolated AC voltage is provided at the probe to prevent

electrolysis. A trickle current of less than 1mA determines the

presence or absence of liquid between the probe and common.

The LLC1 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 probe, a ﬁxed time delay begins. This time delay

prevents rapid cycling of the output relay and its load. At the

end of the time delay, the output relay energizes and remains

energized until the liquid level falls below the probe. The output

relay then de-energizes and remains de-energized until the liquid

again touches the probe.

Wiring Diagram

P = Probe

L = Load

V = Voltage

∆S = Sensitivity

Adjustment

Fill (Pump-Up Mode): When the liquid level falls below the

probe, a ﬁxed time delay begins. This time delay prevents rapid

cycling of the output relay and its load. At the end of the time

delay, the output relay energizes and remains energized until

the liquid level rises and touches the probe. The output relay

then de-energizes and remains de-energized until the liquid level

again falls below the probe.

Contacts A, B & C

are isolated.

Metal Tank or use

additional Probe

Connect common to

conductive tank or

an additional probe

as required.

Features & Beneﬁts

FEATURES

BENEFITS

L1 N/L2

Isolated AC voltage

on probe

Prevents scale buildup on the probe

Cost effective design for OEM equipment and

commercial appliances

Open PCB design

Conformally coated PCB

Sensitivity adjustment

Protects against moisture and corrosion

Provides accurate level sensing while ignoring foam

or ﬂoating debris

Ordering Information

INPUT

TIME

SENSE

MODEL

OPERATION

MOUNTING

VOLTAGE

DELAY

RESISTANCE

Adjustable

120VAC

230VAC

LLC14A1AX

LLC14A5AX

LLC14B15AX

LLC14B1AX

LLC14B60AX

LLC16A25AX

LLC16A3AX

Drain

Fill

0.5 in nylon standoffs (3)

15s

Fill

60s

25s

Drain

If you don’t ﬁnd the part you need, call us for a custom product 800-843-8848

www.littelfuse.com/llc1

Rev: 1-A-062716

中文翻译

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LLC24B1AC	LITTELFUSE	获取价格	LLC24B1AC is a dual-probe conductive liquid level control with ac input voltage of 120 and
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