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405A Series Automatic Timing & Controls automatictiming.com 800.727.5646
221/16 DIN Timers // 405A Series
Instantaneous & Delayed: A version of the 405A is available with one set
of SPDT instantaneous contacts and one set of SPDT delayed contacts. The
instantaneous contacts transfer as soon as the timer is powered. The
delayed contacts transfer at time out. This contact arrangement can be
used to replace many conventional timers.
On Delay/Interval Timing Mode Version: A version of the 405A is available
with selectable ON-delay or Interval timing modes. This version has a
set of DPDT output contacts. When in the ON-delay mode, the contacts
transfer at time out. When in the Interval mode, the contacts transfer when
power is applied and release at time out.
Universal Power: All 405A timers can be powered using 24-240 VAC or 24
VDC power, greatly simplifying ordering and inventory management of
replacement units.
1/16 DIN Housing: The 48mm2 (1/16 DIN) housing is compact and is watertight
when panel mounted. The 405A is mounted in an 8-pin round (octal)
socket. With an optional mounting clip, the 405A can be panel mounted.
The Dial on the 405A is extra large and is easy to read. When fractional ranges are
selected, decimal points are clearly indicated.
The Mode select and Range select switches are located on the side of the unit, so that
when panel mounted, these switches are not accessible to the operator. This tamper proof
feature prevents unauthorized or hazardous changes to the timing
mode and range from being made.
Cycle Progress Indication: The 405A LED
indicator provides a
unique and effective method of cycle progress indication. Off
before timing, the LED blinks at an ever increasing rate as the
cycle progresses: once every 3-1/2 seconds during the first 10% of
the cycle, twice during the second 10%, and so on. At time out,
the LED pulses at a high rate. (In the 1, 5, 10 and 50 second
ranges, the LED is OFF before timing, steady ON during timing,
and pulsing ON after time-out).
Timing begins when the start switch is closed. This starts an oscillator
which runs at a frequency determined by the time setting. A
fixed number of counts from the oscillator determines the end of
the timing cycle. The time required to accomplish this depends
upon the oscillator frequency. During timing, an LED located on
the dial face blinks. For the first 10% of the cycle, LED repeatedly
blinks once followed by a pause. For the second 10%, it blinks
twice and so on indicating the cycle progress. The LED flashes
rapidly and continuously after time out.
MODEL...F1X
The instantaneous contacts (3-1-4) transfer immediately after the
start switch is closed. The delayed contacts (6-8-5) transfer after
the timing cycle indicated on the front dial setting. Both contacts
remain transferred until the unit is reset.
MODEL...F2X
ON DELAY MODE: At time out, the DPDT relay transfers its
contacts. These contacts remain transferred until the start switch
is opened or power is removed by some other means. The 405A
then resets and is ready for another cycle.
INTERVAL MODE: When the start switch is closed, the DPDT relay
transfers its contacts. The contacts remain transferred until time
out. The timer will not start again until the start switch is opened
or power is removed by some other means. The 405A then resets
and is ready for another cycle.
T i m e r w i t h I n s t a n t a n e o u s Rel ay
• ON-Delay version with instantaneous relay
• Selectable ON-Delay/Interval Timing Mode version
• Output Contacts rated 10A 120/240 VAC and 30 VDC
• Six Timing Ranges in a single unit
• Timing Ranges:
1 and 10 SEC, MIN, and hours
5 and 50 SEC, MIN, and hours
• Universal Power Supply: 24-240 VAC and 24 VDC
• 48mm2 DIN Standard housing
• Large and easy to read dial shows decimal points
• Round (octal) socket mount or mount in panel cutout
• Watertight when panel mounted
• Range and Mode select are tamper proof when panel mounted
• Unique flashing cycle progress indication
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