Omron H3AM DATASHEET

Mechatronic Analog Timer

H3AM

Please read and understand this catalog before purchasing the
products. Please consult your OMRON representative if you have any
questions or comments. Refer to Warranty and Application
Considerations (page 8) and Safety Precautions (page 7).

Large Setting Dial and Moving Pointers Ideal
for Easy Operation and Monitoring

• Incorporating an easy-to-see large setting dial with moving
pointers.

• Wide time-setting range of 0.2 s to 60 h (available through three
time-range model types)

• Wide AC power supply range (100 to 240 VAC)

• IP65 watertight and dust-tight front panel.

• Approved by UL and CSA.

• Conforms to EN61812-1 and IEC60664-1
4 kV for Low Voltage, and EMC Directives.

• Conforms to EMC standards.

• Six-language instruction manual provided.

• Programmable contact enables the building of a self-holding
relay circuit as well as built-in instantaneous contact. (-NS)

• Memory retention (-NSR)

• Finger protection terminal block

• Enables easy sequence checks through instantaneous outputs
for a zero set value at any time range.

Model Number Legend

H3AM - NS

12-3

1. Resetting System

None: Self-resetting
R: Electric resetting

-

2. Time Range

A: 0.5 s to 30 h
B: 1 s to 60 h
C: 0.2 s to 12 h

3. Accessory

None: Without accessory
300: Waterproof Packing
(Y92S-35) provided

Ordering Information

■ List of Models

Rated supply

voltage

100 to 240
VAC

Note: The operation of the instantaneous contacts differs for the self-resetting and electric resetting systems. Refer to Timing Charts on page 5

for details.

Resetting

system

(See note.)

Self-resetting DPDT contact output

Electric
resetting

Control output Time range

(Time-limit output SPDT and
switchable SPDT
(time-limit

DPDT contact output
(Time-limit output SPDT and
instantaneous output SPDT)

↔ instantaneous))

0.5 s to 30 h (30 s, 3 min,
30 min, 3 h, 30 h)

H3AM-NS-A H3AM-NS-B H3AM-NS-C

H3AM-NSR-A H3AM-NSR-B H3AM-NSR-C

1 s to 60 h (60 s, 6 min,

60 min, 6 h, 60 h)

0.2 s to 12 h (12 s, 120 s,
12 min, 120 min, 12 h)

Mechatronic Analog Timer H3AM 1

■ Accessory (Order Separately)

Item Model

Waterproof Packing Y92S-35 (See note.)

Note: Supplied with H3AM-NS@-@-300 models.

Specifications

■ General

Operating mode ON-delay

Screw tightening torque 0.98 N·m (10 kgf) max.

Input type Voltage input

Output type Relay: DPDT

Mounting method Flush/Panel mounting, no restriction on mounting angle.

Approved standards UL 508, CSA C22.2 No. 14

■ Time Ranges

Conforms to EN61812-1, IEC60664-1 4 kV/2, VDE0106/P100
Output category according to IEC60947-5-1

Model Full scale on

H3AM-@@@-A 3 --- 0.5 to 30 s 0.05 to 3 min 0.5 to 30 min 0.05 to 3 h 0.5 to 30 h

H3AM-@@@-B 6 --- 1 to 60 s 0.1 to 6 min 1 to 60 min 0.1 to 6 h 1 to 60 h

H3AM-@@@-C 12 0.2 to12 s 2 to 120 s 0.2 to 12 min 2 to 120 min 0.2 to 12 h ---

Note: Instantaneous output is obtained by turning the time setting knob below "0" until the time setting knob stops.

dial

s 10 s min 10 min h (hour) 10 h (hour)

Set time unit

■ Ratings

Rated supply voltage 100 to 240 VAC (50/60 Hz)

Operating voltage range 85% to 110% of rated supply voltage

Power reset (-NS) Minimum power-opening time: 0.5 s

Reset input time (-NSR) Minimum input time: 0.5 s

Reset voltage range (-NSR) H level: 85 to 264 VAC

Power consumption Approx. 9 VA (Approx. 5 W)

Control output Contact output: 5 A at 250 VAC, resistive load (cos

Ambient temperature Operating: –10

Ambient humidity Operating: 35% to 85%

Note: The minimum applicable load:

H3AM-NS: 10 mA at 5 VDC (failure level: P, reference value)
H3AM-NSR: 100 mA at 5 VDC (failure level: P, reference value)

L level: 0 to 10 VAC

Storage: –25

°C to 55°C (with no icing)
°C to 65°C (with no icing)

φ = 1)

2 Mechatronic Analog Timer H3AM

■ Characteristics

Accuracy of operating time

Setting error

Reset time Power reset: 0.5 s max.

Influence of voltage

Influence of temperature

Insulation resistance 100 M

Dielectric strength 2,000 VAC (50/60 Hz) for 1 min between exposed non-current-carrying metal parts and current-carrying metal parts

Impulse withstand voltage 3 kV between power terminals

Noise immunity

Static immunity Malfunction: 8 kV

Vibration resistance Destruction: 10 to 55 Hz, 0.75-mm single amplitude for 2 cycles each in 3 directions (8 min per cycle)

Shock resistance

Life expectancy Mechanical: 5,000,000 times min. (under no load at 1,800 times/h)

Motor life expectancy 20,000 h

EMC (EMI): EN61812-1

Enclosure rating IP65 (front panel only) (See note.) IP20 (terminal section)

Weight Approx. 350 g

Note: A separately sold waterproof packing (Y92S-35) is necessary to ensure IP65 waterproofing between the Timer and installation panel.

The H3AM-NS@-@-300 model with waterproof packing is available.

±0.7% FS max.

±2% FS max.

Reset input time: 0.5 s max.

±1% FS max.

±2% FS max.

Ω max. (at 500 VDC)

2,000 VAC (50/60 Hz) for 1 min between the operating circuit and control output terminals
1,000 VAC (50/60 Hz) for 1 min between the operating power supply circuit and reset input circuit (H3AM-NSR only)
1,000 VAC (50/60 Hz) for 1 min between contacts not located next to each other
2,000 VAC (50/60 Hz) for 1 min between contacts of opposite poles

4.5 kV between exposed non-current-carrying metal parts and current-carrying metal parts

±1.5 kV (between power terminals) square-wave noise by a noise simulator

(pulse width: 100 ns/1

Destruction: 15 kV

Malfunction: 10 to 55 Hz, 0.5-mm single amplitude for 2 cycles each in 3 directions (8 min per cycle)

Destruction: 300 m/s
Malfunction: 150 m/s

Electrical: 100,000 times min. (5-A at 250 VAC, resistive load at 1,800 times/h)

Emission Enclosure: EN55011 class A
Emission AC Mains: EN55011 class A
(EMS): EN61812-1
Immunity ESD: IEC61000-4-2: 6 kV contact discharge

Immunity RF-interference: IEC61000-4-3: 10 V/m (Amplitude-modulated, 80 MHz to 1 GHz)

Immunity Power Frequency Magnetic Fields: IEC61000-4-8: 30 A/m (50 Hz)
Immunity Conducted Disturbance: IEC61000-4-6: 10 V (0.15 to 80 MHz)
Immunity Burst: IEC61000-4-4: 2 kV power-line

Immunity Surge: IEC61000-4-5: 1 kV line to line

µs, 1-ns rise)

2

3 times each in 6 directions

2

(100 m/s2 in the front/back direction) 3 times each in 6 directions

8 kV air discharge

10 V/m (Pulse-modulated, 900 MHz

2 kV I/O signal-line

2 kV line to ground

±5 MHz)

Mechatronic Analog Timer H3AM 3