Omron, H3AM Series

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.
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.

last update: June 10, 2014

General

Operating mode	ON-delay
Screw tightening torque	0.98 Nm (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 Conforms to EN61812-1, IEC60664-1 4 kV/2, VDE0106/P100 Output category according to IEC60947-5-1

Time Ranges

Model	Full scale on dial	Set time unit
Model	Full scale on dial	s	10 s	min	10 min	h (hour)	10 h (hour)
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.

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 L level: 0 to 10 VAC
Power consumption	Approx. 9 VA (Approx. 5 W)
Control output	Relays in H3AM-NS (R1) (R2) Relay in H3AM-NS (R2) (Contact material: AgSnIn) Contact output: 5 A at 250 VAC, resistive load (cosφ = 1) The minimum applicable load: 10 mA at 5 VDC (failure level: P, reference value) Relay in H3AM-NSR (R1) (Contact material: AgSnIn) Contact output: 5 A at 250 VAC, resistive load (cosφ = 1) The minimum applicable load: 100 mA at 5 VDC (failure level: P, reference value)
Ambient temperature	Operating: -10°C to 55°C (with no icing) Storage: -25°C to 65°C (with no icing)
Ambient humidity	Operating: 35% to 85%

Characteristics

Accuracy of operating time	±0.7% FS max.
Setting error	±2% FS max.
Reset time	Power reset: 0.5 s max. Reset input time: 0.5 s max.
Influence of voltage	±1% FS max.
Influence of temperature	±2% FS max.
Insulation resistance	100 MΩ max. (at 500 VDC)
Dielectric strength	2,000 VAC (50/60 Hz) for 1 min between exposed non-current-carrying metal parts and current-carrying metal parts 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
Impulse withstand voltage	5 kV between power terminals 5 kV between exposed non-current-carrying metal parts and current-carrying metal parts
Noise immunity	±1.5 kV (between power terminals) square-wave noise by a noise simulator (pulse width: 100 ns/1 μs, 1-ns rise)
Static immunity	Malfunction: 8 kV Destruction: 15 kV
Vibration resistance	Destruction: 10 to 55 Hz, 0.75-mm single amplitude for 2 cycles each in 3 directions (8 min per cycle) Malfunction: 10 to 55 Hz, 0.5-mm single amplitude for 2 cycles each in 3 directions (8 min per cycle)
Shock resistance	Destruction: 300 m/s² 3 times each in 6 directions Malfunction: 150 m/s² (100 m/s² in the front/back direction) 3 times each in 6 directions
Life expectancy	Mechanical: 5,000,000 times min. (under no load at 1,800 times/h) Electrical: 100,000 times min. (5-A at 250 VAC, resistive load at 1,800 times/h)
Motor life expectancy	20,000 h
EMC	(EMI): EN61812-1 Emission Enclosure: EN55011 class A Emission AC Mains: EN55011 class A (EMS): EN61812-1 Immunity ESD: IEC61000-4-2 Immunity RF-interference: IEC61000-4-3 Immunity Burst: IEC61000-4-4 Immunity Surge: IEC61000-4-5 Immunity Conducted Disturbance: IEC61000-4-6 Immunity Power Frequency Magnetic Fields: IEC61000-4-8 Immunity Voltage Dip/Interruption: IEC61000-4-11
Enclosure rating	IP65 (front panel only) * IP20 (terminal section)
Weight	Approx. 350 g

* 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.

last update: June 10, 2014

H3AM (flush mounting)

Note:Tightening torque for panel mounting is as follows: 0.3 Nm ±0.05 Nm

TITLE	DOCUMENT TYPE	SIZE
H3AM	Catalog	762 KB
H3AM Timer	Instruction Manual	1404 KB

General

Time Ranges

Ratings

Characteristics

H3AM (flush mounting)

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