tds / tdsh / tdsl series
Time Delay Relays
Single Shot
TDS / TDSH / TDSL SERIES
Relay Output, Single Shot Time Delay Relay
*
*8-pin models UL listed when used in
combination with P1011-6 socket only.
Description
8-PIN
11-PIN
Wiring Diagram
The TDS Series combines accurate digital circuitry with isolated,
10A rated, DPDT or SPDT relay contacts in an 8-pin or 11-pin
plug-in package. The TDS Series features DIP switch selectable
time delays ranging from 0.1s to 10,230s in three ranges. The
TDS Series is the product of choice for custom control panel and
OEM designers.
Operation (Single Shot)
Input voltage must be applied to the input before and during
timing. Upon momentary or maintained closure of the initiate
switch (leading edge triggered), the output relay energizes for
a measured interval of time. At the end of the delay, the output
de-energizes. Opening or reclosing the initiate switch during
timing has no affect on the time delay. The output will energize if
the initiate switch is closed when input voltage is applied.
Reset: Reset occurs when the time delay is complete and the
initiate switch is opened. Loss of input voltage resets the time
delay and output.
8-PIN OCTAL SPDT
Features & Benefits
L1
N/L2
S1 = Initiate Switch
Relay contacts are isolated.
11-PIN DPDT
L1
FEATURES
BENEFITS
3 time ranges available
(0.1s to 2.8h)
Makes it versatile for use in many applications
Microcontroller based
Repeat Accuracy + / - 0.1% or 20ms, whichever is
greater; Setting Accuracy + / - 2% or 50ms,
whichever is greater
LED indication
(select models)
Provides visual indication of relay status
DIP switch adjustment
Provides first time setting accuracy
Isolated output contacts
Allows control of loads for AC or DC voltages
N/L2
Ordering Information
MODEL
INPUT VOLTAGE
DELAY RANGE (SEC)
LED
PLUG TYPE/OUTPUT FORM
TDS120AL
120VAC
1-1023 in 1s increments
X
Octal (8-pin) plug, SPDT
TDS120ALD
120VAC
1-1023 in 1s increments
X
11-pin plug, DPDT
TDS12D
12VDC
1-1023 in 1s increments
TDS230AL
230VAC
1-1023 in 1s increments
X
Octal (8-pin) plug, SPDT
TDS24AL
24VAC
1-1023 in 1s increments
X
Octal (8-pin) plug, SPDT
TDSH120AL
120VAC
10-10230 in 10s increments
X
Octal (8-pin) plug, SPDT
TDSL120AL
120VAC
0.1-102.3 in 0.1s increments
X
Octal (8-pin) plug, SPDT
TDSL12D
12VDC
0.1-102.3 in 0.1s increments
Octal (8-pin) plug, SPDT
Octal (8-pin) plug, SPDT
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/
www.littelfuse.com/tds-tdsh-tdsl
Rev: 1-A-062116
Time Delay Relays
Single Shot
TDS / TDSH / TDSL SERIES
Accessories
BZ1 Front Panel Mount Kit
Provides an easy method of through-the-panel
mounting of 8- or 11-pin plug-in timers, flashers,
and other controls.
NDS-8 Octal 8-pin Socket
8-pin 35mm DIN rail or surface mount. Rated
at 10A @ 300VAC. Surface mounted with two
#6 (M 3.5 x 0.6) screws or snaps onto a 35 mm
DIN rail. Uses PSC8 hold-down clips.
NDS-11 11-pin Socket
11-pin 35mm DIN rail or surface mount. Rated
at 10A @ 300VAC. Surface mounted with two
#6 (M 3.5 x 0.6) screws or snaps onto a 35 mm
DIN rail. Uses PSC11 hold-down clips.
PSC8 or PSC11 Hold-down Clips
Securely mounts plug-in controls in any position.
Provides protection against vibration. Use PSC8
with NDS-8 Octal Socket or PSC11 with NDS-11
Socket. Sold in pairs.
PSCRB8 Hold-down Brackets
Designed for use with P1011-6 socket. Securely
mounts 8-pin plug-in controls in any position,
and provides protection against vibration. Sold
in pairs.
P1011-6 Octal Socket for UL listing*
8-pin surface mount socket with binder head
screw terminals. Rated 10A @ 600VAC. Uses
PSCBR8 Hold-down Brackets.
*8-pin models UL listed when used in combination with P1011-6 socket only.
Digi-Set Binary Switch Operation
Specifications
Time Delay
Type
Digital integrated circuitry
Range**
0.1 - 102.3s in 0.1s increments
1 - 1023s in 1s increments
10 - 10,230s in 10s increments
Repeat Accuracy
±0.1% or 20ms, whichever is greater
Setting Accuracy
±2% or 50ms, whichever is greater
Reset Time
≤ 50ms
Recycle Time
≤ 150ms
Time Delay vs Temp.
& Voltage
±5%
Indicator
LED glows during timing; relay is energized
Initiate Time
≤ 60ms
Input
Voltage
12, 24/28, or 110VDC; 24, 120, or 230VAC
Tolerance
12VDC & 24VDC/AC
-15% - 20%
110 to 230VAC/DC
-20% - 10%
AC Line Frequency
50/60 Hz
Power Consumption
≤ 3.25W
Output
Type
Electromechanical relay
Form
SPDT or DPDT
Rating
10A resistive @ 120/240VAC & 28VDC;
1/3 hp @ 120/240VAC
Life
Mechanical - 1 x 107; Electrical - 1 x 10 6
Protection
Isolation Voltage
≥ 1500V RMS input to output
Polarity
DC units are reverse polarity protected
Mechanical
Mounting Plug-in socket
Termination
Octal 8-pin plug-in or 11-pin plug-in
DimensionsH 81.3 mm (3.2”); W 60.7 mm (2.39”);
D 45.2 mm (1.78”)
Environmental
Operating/Storage
Temperature
-20° to 65°C/-30° to 85°C
Weight
≅ 6 oz (170 g)
Function Diagram
SINGLE SHOT
(PULSE FORMER)
**For CE approved applications, power must be removed from the unit when a switch position
is changed.
© 2016 Littelfuse Protection Relays & Controls
www.littelfuse.com/
www.littelfuse.com/tds-tdsh-tdsl
V = Voltage
S1 = Initiate Switch
NO = Normally
Open Contact
NC = Normally
Closed Contact
TD = Time Delay
R = Reset
Rev: 1-A-062116
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