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TSD7412S PDF预览

TSD7412S

更新时间: 2024-11-19 14:52:27
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
2页 578K
描述
The TSD7 Series utilizes only two terminals connected in series with the load. Interval timing mod

TSD7412S 数据手册

 浏览型号TSD7412S的Datasheet PDF文件第2页 
Time Delay Relays  
Dedicated - Interval  
TSD7 SERIES  
Interval/Delay-on-BreakTimer  
Description  
TheTSD7 Series utilizes only two terminals connected in series  
with the load. Interval timing mode period is achieved by using a  
small portion of the AC sine wave allowing sufficient voltage for  
circuit operation. It can be used as an interval timer to control or  
pulse shape the operation of contactors, solenoids, relays, and  
lamp loads. TheTSD7 Series can be wired to delay on the break  
of a switch for energy saving fan delays.  
Operation (Interval)  
Upon application of input voltage, the output energizes and the  
time delay begins. The output remains energized throughout the  
time delay. At the end of the time delay, the output de-energizes  
and remains de-energized until power is removed.  
Reset: Removing input voltage resets the time delay and  
the output.  
Wiring Diagram  
Operation (Delay-on-Break)  
Upon closure of SW1, the load is energized and the timer is  
reset (zero volts across its input terminals). Opening SW1 re-  
applies input voltage to the timer, the load remains energized  
and the time delay begins. At the end of the time delay, the  
output de-energizes. If SW1 is open when power is applied, the  
load will energize for the time delay then de-energize.  
L1  
N/L2  
Interval  
Reset: Reclosing SW1 resets the timer.  
Features & Benefits  
FEATURES  
BENEFITS  
Repeat Accuracy + / - 0.5%,  
+ / -1% time delay accuracy  
Microcontroller based  
Delay-on- Break  
Extended  
temperature range  
Rated to 75°C operating temperature to withstand  
high heat applications  
Compact, low  
cost design  
V = Voltage  
L = Load  
S1 = Initiate Switch  
RT is used when external  
adjustment is ordered.  
Allows flexiblility for OEM applications  
1A steady solid-state  
output, 10A inrush  
Provides 100 million operations in typical conditions.  
No moving parts to arc and wear out over time and  
encapsulated to protect against shock, vibration,  
and humidity  
Totally solid state  
and encapsulated  
Two terminal series  
load connections  
Provides quick and easy installation for new or  
existing systems  
Ordering Information  
MODEL  
INPUT VOLTAGE ADJUSTMENT  
TIME DELAY  
2s  
MODEL  
INPUT VOLTAGE  
ADJUSTMENT  
Fixed  
TIME DELAY  
120s  
TSD7412S  
TSD7414M  
TSD7421  
TSD7423  
TSD7424  
120VAC  
120VAC  
120VAC  
120VAC  
120VAC  
Fixed  
TSD761120S  
TSD761180S  
TSD7611S  
TSD7621  
230VAC  
230VAC  
230VAC  
230VAC  
Fixed  
4m  
Fixed  
180s  
External  
External  
External  
1 - 100s  
0.1 - 10m  
1 - 100m  
Fixed  
1s  
External  
1 - 100s  
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/tsd7  
Rev: 1-A-061016  

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