SSAC THDS Series Data Sheet
THDS SeriesTimer - Single Shot
Connection:
UTL = Optional Untimed Load
L = Timed Load
S1 = Initiate Switch
RT is used when external adjustment is ordered.
L1 N/L2
The THDS Series combines accurate timing
circuitry with high power solid-state switching.
It can switch motors, lamps, and heaters directly
without a contactor. You can reduce labor,
component cost, and increase reliability with these
small, easy-to-use, Digi-Power timers.
Operation (Single Shot):
Input voltage must be applied before and during timing.
Upon momentary or maintained closure of the initiate
switch, the output 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 energizes 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.
For more information see:
Appendix A, pages 156-164 for function descriptions
and diagrams.
Appendix B, page 165, Figure 4 for dimensional drawing.
External Resistance vs. Time Delay:
Features:
• High load currents up to 20A, 200A inrush
• Fixed or adjustable delays from 0.1s - 1000m
• ±0.5% repeat accuracy
• ±1% factory calibration
• 24, 120, or 230VAC
• Metallized mounting surface for heat
transfer
• Totally solid state and encapsulated
Approvals:
Auxiliary Products:
• External adjust potentiometer:
P/N: P1004-95
P/N: P1004-95-X
• Female quick connect:
P / N : P 1 0 1 5 -1 3 ( AW G 1 0 / 1 2 )
P / N : P 1 0 1 5 -6 4 ( AW G 1 4 / 1 6 )
• Quick connect to screw adaptor:
P/N: P1015-18
• Versa-knob: P/N: P0700-7
Available Models:
THDS230C
THDS231C
THDS232C
THDS233C
THDS234C
THDS235C
THDS410.25SA
THDS411.5SA
THDS414MC
If desired part number is not listed, please call us
to see if it is technically possible to build.
THDS420B
THDS430C
THDS432C
THDS433C
THDS434C
THDS435C
THDS610.25SA
THDS611.5SA
Order Table:
THDS
X
Input Voltage
─2 - 24VAC
─4 - 120VAC
─6 - 230VAC
X
Adjustment
─1 - Fixed
─2 - External adjust
─3 - Onboard adjust
X
Time Delay*
─0 - 0.1 - 10s
─1 - 1 - 100s
─2 - 10 - 1000s
─3 - 0.1 - 10m
─4 - 1 - 100m
─5 - 10 - 1000m
Specications
Time Delay
Range ............................. 0.1s - 1000m in 6 adjustable ranges or xed
Repeat Accuracy ................... ±0.5% or 20ms, whichever is greater
Tolerance (Factory Calibration) .......≤ ±1%
Reset Time .........................≤150ms
Initiate Time .......................≤ 20ms
Time Delay vs Temp. & Voltage .......≤ ±2%
Input
Voltage ............................ 24, 120, or 230VAC
Tolerance ..........................±20%
AC Line Frequency ................. 50/60 Hz
Power Consumption ................ ≤ 2VA
Output
Type ..............................Solid state
Form .............................. NO, closed during timing
Maximum Load Current Output Steady State Inrush**
A 6A 60A
B 10A 100A
C 20A 200A
X
Output Rating
─A - 6A
─B - 10A
─C - 20A
*If xed delay is selected, insert
delay (0.1 - 1000) followed by (S) sec.
or (M) min.
Voltage Drop .......................≅ 2.5V @ rated current
Off State Leakage Current ...........≅ 5mA @ 230VAC
Minimum Load Current .............100mA
Protection
Circuitry ..........................Encapsulated
Dielectric Breakdown ............... ≥ 2000V RMS terminals to mounting surface
Insulation Resistance ................ ≥ 100 MΩ
Mechanical
Mounting ** .......................Surface mount with one #10 (M5 x 0.8) screw
Dimensions ........................ 2 x 2 x 1.51 in. (50.8 x 50.8 x 38.4 mm)
Termination ........................0.25 in. (6.35 mm) male quick connect terminals
Environmental
Operating / Storage Temperature ..... -40° to 60°C / -40° to 85°C
Humidity .......................... 95% relative, non-condensing
Weight ............................≅ 3.9 oz (111 g)
**Must be bolted to a metal surface using the included heat sink compound. The
maximum mounting surface temperature is 90°C. Inrush: Non-repetitive for 16ms.
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