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TIME MARK is a division of
MODEL 331
MODEL 361
Release Delay Timers
⚫ Solid-State Design
⚫ Multiple Voltage & Timing Ranges
⚫ 5-Year Unconditional Warranty
DESCRIPTION
The Models 331 and 361 Release Delay Timers are
designed for a wide usage in new or replacement industrial
applications. Examples include delay-off circuits, batch
processing circuits, and other applications requiring a
remote-triggered, off-delay timer.
The Model 331 is a DPDT potentiometer (knob-adjust)
timer. The Model 361 is a DPDT, high-accuracy digital
input timer. Solid-state timing circuits in each model drive
an internal electromechanical relay.
Each model is functionally interchangeable. They are
available in a variety of voltage and timing ranges to cover
any application.
An “SG” version of this model is available using silver with
gold flash contacts.
Models 331 and 361 are UL Recognized and CSA
Certified.
UL SPECIFICATIONS*
Models 331 and 361
Input
Voltage (VAC)
Power 3 Watts Max
Output
10-28V AC/DC OR 40-260V AC/DC
240V AC, 10A, Resistive
120V AC, 4A, General Use
240V AC, 2A, General Use
C300, Pilot Duty
SPECIFICATIONS
MODEL 331 (knob adj.) 361 (digital)
Voltage L = 10-28V AC/DC
Timing range 10SEC: 1 - 10 Sec.
Accuracy ± 5% ± 2%
Repeatability ± 2% ± 0.1%
Recycle time 100ms
Operating temp -20°F to +140°F
Contacts DPDT
Contact rating 10A at 240VAC resistive
Transient protection 775V, 80 Joules
Humidity tolerance 0 - 97% w/o condensation
Enclosure material NORYL Plastic
Mounting 11-pin socket not included**
Weight 5 oz.
Agency approval
Additional Options /C = Custom (Voltage and/or Timing)
Ordering Examples (Model-Voltage-Timing Range [/Options]):
361-H-0.1SEC = Model 361 with a 40-260V AC/DC voltage range
and a timing range of 0.1-102.3 seconds.
331-L-180SEC /SG = Model 331 with a 10-28V AC/DC voltage
range, a timing range of 1-180 seconds, and optional silver with gold
flash contacts.
Contact Time Mark to order a custom programmed unit
60SEC: 1 - 60 Sec.
180SEC: 1 - 180 Sec.
300SEC: 1 - 300 Sec.
H = 40-260V AC/DC
0.1SEC: 0.1 - 102.3 Sec.
1SEC: 1 - 1023 Sec.
1MIN: 1 - 1023 Min.
1HR: 1 - 1023 Hr.
UL Recognized and CSA Certified
/SG = Silver with Gold Flash Contacts
** order 11-pin socket number 51X016
* Pilot Duty:
120V: Make 15A, Break 1.5A
240V: Make 7.5A, Break 0.75A
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© 2020 TIME MARK CORPORATION
Page 2
MODEL 331 / 361
TIME MARK is a division of
Release Delay Timers
READ ALL INSTRUCTIONS BEFORE INSTALLING, OPERATING OR SERVICING THIS DEVICE.
KEEP THIS DATA SHEET FOR FUTURE REFERENCE.
GENERAL SAFETY
POTENTIALLY HAZARDOUS VOLTAGES ARE PRESENT AT THE TERMINALS OF THE MODELS 331 OR 361.
ALL ELECTRICAL POWER SHOULD BE REMOVED WHEN CONNECTING OR DISCONNECTING WIRING.
THIS DEVICE SHOULD BE INSTALLED AND SERVICED BY QUALIFIED PERSONNEL.
Installation Instructions
OPERATION
Supply voltage must be constantly applied. When the
control switch is closed, the internal relay will energize.
Timing begins when the control switch is opened. The
delay can be reset by reclosing the control switch. On
completion of the delay, the relay will de-energize.
PIN CONNECTIONS
The Models 331 and 361 Release Delay Timers require a
standard 11-pin socket for mounting, and use a standard
pin configuration. Refer to the pin diagram below, or on
the timer, for terminal connections.
The external control
switch must be a dry contact. DO NOT APPLY POWER
TO PINS 5 AND 6. The external control switch can be a
maximum of 10 feet away. The recommended wire is 22
gauge.
An LED on top of the unit provides a quick visual indicator of
the relay’s status.
LED Indicator Unit Status
Green Energized
Red De-energized
Flashing (Green or Red) Relay is Timing
DIMENSIONS - Model 331
DIMENSIONS - Model 361
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© 2020 TIME MARK CORPORATION
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MODEL 331 / 361
TIME MARK is a division of
1
Code: = switch OFF
2 ⚫
= switch ON
4 ⚫
81632 ⚫
64 ⚫
128
256
512
1
Code: = switch OFF
2 ⚫
= switch ON
4
8 ⚫
16
32 ⚫
64 ⚫
128 ⚫
256 ⚫
512 ⚫
Release Delay Timers
READ ALL INSTRUCTIONS BEFORE INSTALLING, OPERATING OR SERVICING THIS DEVICE.
KEEP THIS DATA SHEET FOR FUTURE REFERENCE.
GENERAL SAFETY
POTENTIALLY HAZARDOUS VOLTAGES ARE PRESENT AT THE TERMINALS OF THE MODEL 331 OR 361.
ALL ELECTRICAL POWER SHOULD BE REMOVED WHEN CONNECTING OR DISCONNECTING WIRING.
THIS DEVICE SHOULD BE INSTALLED AND SERVICED BY QUALIFIED PERSONNEL.
Installation Instructions
ADJUSTMENT PROCEDURE - Model 361
The procedure to determine the switch selections for the
digital Model 361 Release Delay Timer requires some
simple calculations, which can be completed easily after
the basic steps are explained.
1. Convert the delay time required to minutes, seconds,
or tenths of seconds, depending upon the timing
range of the unit. For example:
2. To set the desired delay period on the timer, just add
e.g. #1: 100 seconds with a 1 second increment
7 hrs, 32 min = (7x60)+32 = 452 minutes
15 min, 2 secs = (15x60)+2 = 902 seconds
6.7 secs = (6.7*10) = 67 tenths of a second
the values of the selected dip switches (beginning
with the largest value first) to total the desired time.
64+32+4 = 100
seconds
e.g. #2: 100 seconds with a .1 second increment
512+256+128+64+32+8 = 1000 tenths of a seconds
WARRANTY
This product is warranted to be free from defects in
materials and workmanship, and is covered by our
exclusive 5-year Unconditional Warranty. Should this
device fail to operate for any reason, we will repair it for
five years from the date of manufacture. For complete
warranty details, see the Terms and Conditions of Sales
page in the front section of the Time Mark catalog or
contact Time Mark at 1-800-862-2875.
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© 2020 TIME MARK CORPORATION
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TIME MARK is a division of
Have Questions? Call us at (800) 862-2875 and talk to a real live person.
11 4 40 Ea s t P in e S t re e t
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© 2020 TIME MARK CORPORATION
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