Omron H2A User Manual

1
Motor Timer H2A
Miniature, High-performance Motor
Timer
Employs high-reliability bifurcated contacts for
output.
Moving pointer provided in all types for confirmation
of elapsed time.
Employs time-out and power ON indicators for all
types.
Wide variety of timing ranges from 5 s to 24 hrs.
Ordering Information
Operation/resetting system Internal connection Time-limit
tt
Instantaneous
tt
Mounting
pgy
contact contact
Surface mounting
(see note 2)
T ime-limit operation/
lf tti
Parallel motor and
lth ti
SPDT --- H2A
p
self-resetting clutch connection
SPST-NO H2A-H
Note: 1. Specify both the model number and supply voltage when ordering.
2. Surface mounting models can be used as a flush mounting type by attaching an exclusive adapter (Y92F-40) to the timer .
Specifications
Time Ranges
Rated time T ime setting range T ime division
50 Hz 60 Hz
5 s 0.2 to 6 s 0.2 to 5 s 0.2 s
10 s 0.5 to 12 s 0.5 to 10 s 0.5 s
30 s 1 to 36 s 1 to 30 s 1.0 s
60 s 2 to 72 s 2 to 60 s 2.0 s
3 min 1/6 to 3 1/2 min 1/6 to 3 min 10.0 s
6 min 1/4 to 7 1/6 min 1/4 to 6 min 15.0 s
12 min 1/2 to 14 min 1/2 to 12 min 30.0 s
30 min 1 to 36 min 1 to 30 min 1.0 min
60 min 2 to 72 min 2 to 60 min 2.0 min
3 hrs 1/6 to 3 1/2 hrs 1/6 to 3 hrs 10.0 min
6 hrs 1/4 to 7 hrs 1/4 to 6 hrs 15.0 min
12 hrs 1/2 to 14 hrs 1/2 to 12 hrs 30.0 min
24 hrs 1 to 28 hrs 1 to 24 hrs 1.0 hrs
Ratings
Rated supply voltage 100, 1 10, 200, or 220 V AC (50 Hz), 100/1 10, 200/220 V AC (60 Hz)
Operating voltage range 85% to 1 10% of rated supply voltage
Power consumption Approx. 3 V A
Control outputs Standard type: 2 A at 250 V AC, resistive load (cosφ = 1)
Note: The front panel of the timer is color-coded to identify the following supply voltage classifications:
100, 1 10 V : Blue
200, 220 V : Red
Other classes: Black

Omron H2A Specifications

General

Brand	Omron
Model	H2A
Category	Timer
Language	English

Summary

OMRON Motor Timer H2A Overview and Ordering

Ordering Information

Details on how to order the H2A Motor Timer, including operation system and contact types.

H2A Timer Specifications

Time Ranges

Defines the available time setting ranges for the timer across different divisions (50 Hz, 60 Hz).

Ratings

Specifies the electrical ratings, including supply voltage, operating range, and power consumption.

H2A Timer Performance Characteristics

Characteristics

Details key performance metrics like accuracy, reset time, and influence of voltage/temperature.

Engineering Data

Presents engineering data, including a graph showing switching operations vs. load current.

Timing Chart

Illustrates the operational timing sequence for H2A and H2A-H models, including indicators.

H2A Timer Dimensions and Accessories

Dimensions

Provides detailed dimensional drawings for the timer, panel cutouts, and mounting options.

Accessories

Lists and describes optional accessories available for flush mounting and track mounting.

H2A Timer Installation and Precautions

Installation

Instructions for mounting track, end plates, and terminal arrangements for the timer.

Precautions

Important safety and operational guidelines for mounting and wiring the timer.