Multifunction, Multirange TRU Series, Knob
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Multifunction, Multirange
TRU Series, Knob Adjustable
Universal Time Delay Relay
The TRU Series is a multifunction,
knob adjustable, universal
time delay relay. As a universal
replacement part, it can reduce
inventory costs; replacing up to
1000 competitive time delay relay
part numbers.
Function
Knob adjustment of the time delay
Easy, fast slide switch selection of 1
of 6 of the most popular functions
Positive switch selection of the time
range and seconds or minutes.
Multifunction and Multirange
Six Timing Functions are
Switch Selectable
0.1 s ... 1000 m in Six Ranges
Knob Adjustable Time Delay
Microcontroller +/-0.1%
Repeat Accuracy
Universal Input Voltage
19...264 V AC & 19...30 V DC
10 A, SPDT or DPDT
Relay Contacts
2 LED Status Indicators
Universal
Replacement
Part
7
Replaces up to
1000
part numbers
Connection
8 Pin SPDT
8 Pin DPDT
A six position slide switch selects
the function. 8 Pin DPDT base
wiring has 3 popular functions. All
six functions are available in the 8
pin SPDT and 11 pin DPDT versions.
3 Popular Functions:
• Delay On Make
• Interval
• Recycling
Mounting and Connection
Accessory
Octal
8 pin socket
P/N: NDS-8
11 Pin DPDT
Dashed lines are internal connections.
Relay contacts are isolated.
Technical Data
Time Delay
0.1 s ... 1000 m in 6 ranges--0.1 ... 10, 1 ... 100 or
10 ... 1000 s; 0.1 ... 10, 1 ... 100 or 10 ... 1000 m
Range: Switch Selectable
Adjustments – Multiplier:
– Time Setting:
TRU1pp
35mm DIN
Rail or Surface
Mounting
V = Voltage S1 = Initiate Switch
R = Reset TD = Time Delay
NO = Normally Open Contact
t = Incomplete Time Delay
4 position DIP switch selects x0.1, x1, x10, and s or m
Onboard knob adjustment with 1 ... 100 reference dial
Repeat Accuracy
+/- 0.1% or +/-20 ms, whichever is greater
Rating
10 A resistive at 120/240 V AC & 28 V DC; 1/3 hp at 120/240 V AC
Output
Mechanical
01.04.08
Octal
11 pin socket
P/N: NDS-11
Package
3.44 x 2.39 x 1.78 in. (87.3 x 60.7 x 45.2 mm)
Mounting
Surface or 35mm DIN rail, requires accessory 8 or 11 pin socket
Ordering Table
Part Number
TRU1
TRU2
See accessory pages
TRU3
Voltage
19 ... 264 V AC;
19 ... 30 V DC
Functions
3
Connection
8 pin DPDT
6
8 pin SPDT
6
11 pin DPDT
Low Voltage Products & Systems
ABB Inc. • Sales Sales & Technical Information 1-888-385-1221 8AM to 5PM CST - Product Information www.ssac.com/pp1.htm
7.11
1SXU000023C0202
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