+
2.00
2.00
1.2
.75
.250 DIA.
.250 MALE QUICK CONNECT
TERMINALS
1
2
3
ST1D Series Solid State Delay-On-Make Timer
O
F
F
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1248163264 128 256 512
1
2
POWER
INPUT
3
+
–
LOAD
• 100% Solid State Circuitry – no moving parts
• CMOS digital circuitry
• Adjustable delay by means of a 10 position DIP switch
• 3 ampere continuous load current
(10 amperes available; consult factory) File #E96739 (M)
• CSA File #LR62586
TIMING MODE:
Delay on operate begins upon application of input power. The
load is energized at the end of the delay period and remains so
until input power is removed.
TIMING DIAGRAM:
INPUT ON
VOLTAGE OFF
LOAD ON
VOLTAGE OFF
➤
DELAY
➤
CONTACT INFORMATION:
Solid state switching device 1 form A; normally open series connection
Continuous current rating 3 amperes. Maximum inrush 20 amperes.
Voltage drop 2.5 volts RMS or less @ 3 amperes.
(For 10 ampere load current rating consult factory).
NOTE: Maximum current rating for 110V DC is 2 amperes (heat sink required).
TIMING SPECIFICATIONS:
Two timing ranges available:
.2 to 102.3 seconds in increments of 0.1 second and
1 to 1023 seconds in increments of 1 second.
Custom timing available.
Timing adjustment by means of a 10 position DIP switch
encoded in binary format (1, 2, 4, 8, etc.)
Timing accuracy: +/-5% plus
1
/2 increment
Timing repeatability: 2%
Timing cycle interrupt transfer: none
AC (60 Hz) and DC INPUT VOLTAGES & LIMITS:
Nominal
Minimum Maximum
12V 10V 14V
24V 20V 28V
48V 41V 55V
110V 95V 125V
120V 105V 130V
TIMING CONTROL SWITCH:
.
Timing Switch
DELAY = SUM OF SWITCH WEIGHTS
SET TO THE ON POSITION
WIRING DIAGRAM:
OUTLINE DIMENSIONS:
Ordering Information:
Definition of a part number for the Amperite
ST1D Series Time Delay Relay:
Example:
120
A B C D E
A 1-1023 S ST1D
MECHANICAL INFORMATION:
3
Enclosure 2 x 2 x
Center hole mounting. Three
/4 inch black plastic, epoxy sealed.
1
/4 inch quick connect
male terminals.
A: Denotes nominal input voltage. Voltages available 12, 24, 48, 110 and 120V AC
or DC. Custom voltages are available; consult factory.
B: Denotes input current:
A = AC - Alternating Current; D = DC - Direct Current
C: Denotes range of timing adjustability using built-in DIP switch.
Ranges available are listed above.
D: Denotes unit of time delay: S = seconds.
E: Denotes Amperite ST1D Series solid state delay-on-make timer.
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