Datasheet > TRB120A4Y120

TRB120A4Y120

更新时间： 2024-11-06 14:56:47

品牌	Logo	应用领域
力特 - LITTELFUSE		开关
页数	文件大小	规格书
2页	375K
描述
工作（断开延迟）必须在计时之前和计时期间施加输入电压。 Upon closure of the initiate switch, the output relay energizes. 启动开关

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TRB120A4Y120 数据手册

Time Delay Relays

DEDICATED - DELAY-ON-BREAK

TRB Series

Description

The TRB series combines an isolated, 8 A electromechanical

relay output with digital timing circuitry. False trigger of

the TRB by a transient is unlikely because of the complete

isolation of the circuit from the line prior to initiation. The

initiate contact is common to one side of the line and may be

utilized to operate other loads. Installation is easy due to the

TRB’s industry standard 8- or 11-pin plug-in base wiring.

Operation (Delay-on-Break)

Input voltage must be applied before and during timing. Upon

closure of the initiate switch, the output relay energizes. The

time delay begins when the initiate switch is opened (trailing

edge triggered). The output remains energized during timing.

At the end of the time delay, the output de-energizes. The

output will energize if the initiate switch is closed when input

voltage is applied.

Wiring Diagram

Reset: Reclosing the initiate switch during timing resets the

time delay. Loss of input voltage resets the time delay and

output.

8-pin octal SPDT

Features & Beneﬁts

FEATURES

BENEFITS

N/L2

Complete isolation of

circuit from line

No false trip due to transients

Industry standard 8 or

11-pin connection

Provides easy installation and ﬁeld

replacement

11-pin DPDT

Isolated, 8 A, SPDT or

DPDT output contacts

Allows control of loads with independent

voltage sources

Digital circuitry

Repeat accuracy +/- 2 %

N/L2

Ordering Information

MODEL

INPUT VOLTAGE ADJUSTMENT OUTPUT FORM TIME TOLERANCE

TIME DELAY

TRB120A2Y30

120 V ac

Onboard

Lock shaft

Onboard

Fixed

Octal, SPDT

11-pin, DPDT

+ /- 10 %

+ /- 20 %

+ /- 10 %

1–30 s

7–600 s

2–120 s

10 s

TRB120A3X600 120 V ac

TRB120A4Y120 120 V ac

TRB24D10Y10

24 V dc/28 V dc

Littelfuse.com

Rev: 1-B-030121

1 of 2

中文翻译

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TRB24D10Y10	LITTELFUSE	获取价格	工作（断开延迟）必须在计时之前和计时期间施加输入电压。 Upon closure of
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