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Solid-state Timer
H3FA
1
Solid-state Timer
H3FA
DIP Model Timer for PC Board Use Provides
Contact and Solid-state Output
• Four time ranges are selectable.
Models suffixed -
@
A
@
: 1 s, 10 s, 1 min, 10 min.
Models suffixed -
@
B
@
: 6 s, 60 s, 6 min, 60 min.
• Timer operation may also be controlled through an external
variable resistor.
• Timer can be cleaned while mounted on a PC Board with the
sealing tape affixed.
• Twenty-four-pin IC socket can be used for mounting the Timer.
• Mountable on a 1-inch pitch rack.
(H 19.5
×
W 36.9
×
D 17.75 mm)
Model Number Structure
Note:
This model number legend includes combinations that are not available. Before ordering, please check the
“List of Models”
on page 2 for
availability.
1. Time-limit contact
None: Contact outputs (SPST-NO + SPST-NC)
S: Solid-state
outputs
2. Time range
A:
1 s to 10 min
B:
6 s to 60 min
3. Operation/resetting system
None: Time-limit operation/power-OFF resetting and external
resetting, Integrating operation/power-OFF resetting and
external resetting
U:
Instantaneous operation, time-limit resetting/external
resetting
4. Supply voltage
For contact output models
5DC:
5 V DC
6DC:
6 V DC
12DC:
12 V DC
24DC:
24 V DC
For solid-state output models
5/6DC:
5/6 V DC
12/24DC: 12/24 V DC
1
2
3
4
H3FA-
@
@
@
@
Please read and understand this catalog before purchasing the products. Please consult OMRON representative if you have any questions or
comments. Refer to
“Warranty and Application Considerations”
on page 12 and
“Safety Precautions”
on page 9.
Summary of Contents for H3FA -
Page 10: ...10 Solid state Timer H3FA ...
Page 11: ...Solid state Timer H3FA 11 ...