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Item H3RN-1/H3RN-2 H3RN-11/H3RN-21
Time ranges 0.1 s to 10 min (1 s, 10 s, 1 min, or 10 min
max. selectable)
0.1 min to 10 h (1 min, 10 min, 1 h, or 10 hrs
max. selectable)
Rated supply voltage *2 24 VAC (50/60 Hz); 12, 24 VDC
Pin type Plug-in
Operating mode ON-delay, interval, flicker OFF-start, or flicker-ON start selectable by DIP switch
Operating voltage range 85% to 110% of rated supply voltage (12 VDC: 90% to 110% of rated supply voltage) *1
Reset voltage 10% max. of rated supply voltage
Power consumption 24 VAC: Relay ON: approx. 0.8 VA
12 VDC: Relay ON: approx. 0.5 W
24 VDC: Relay ON: approx. 0.4 W
Control outputs 3 A at 250 VAC, resistive load (cosφ = 1) (G6B-2[]14P-FD-US used (Contact materials:
The minimum applicable load is 10 mA at 5 VDC (P reference value).

*1. When using the H3RN in any place where the ambient temperature is more than 50°C, supply 90% to 110% of the
       rated voltages (12 VDC: 95% to 110% of the rated voltage).
*2. Refer to Safety Precautions for All Times when combining the Timer with an AC 2-wire proximity sensor.


Item H3RN-1/H3RN-2 H3RN-11/H3RN-21
Accuracy of operating
±1% FS max. (1 s range: ±1%±10 ms max.)
Setting error ±15%±50 ms FS max.
Reset time Min. power-opening time: 12, 24 VDC: 0.1 s max. (including halfway reset)
24 VAC: 0.5 s max. (including halfway reset)
Influence of voltage ±2% FS max.
Influence of
±2% FS max.
Insulation resistance 100 MΩ min. (at 500 VDC)
Dielectric strength 2,000 VAC, 50/60 Hz for 1 min (between operating circuit and control output, or contacts of
different poles)
1,000 VAC, 50/60 Hz for 1 min (between non-continuous contacts)
Vibration resistance Destruction: 10 to 55 Hz, 0.75-mm single amplitude for 1 h each in 3 directions
Malfunction: 10 to 55 Hz, 0.5-mm single amplitude for 10 min each in 3 directions
Shock resistance Destruction: 300 m/s2
Malfunction: 100 m/s2
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%
Life expectancy Mechanical: 10,000,000 operations min. (under no load at 1,800 operations/h)
Electrical: 100,000 operations min. (3 A at 250 VAC, resistive load at 1,800 operations/h)
Impulse withstand
Between power terminals: 1 kV
Noise immunity ±1.5 kV, square-wave noise by noise simulator (pulse width: 100 ns/1 μs, 1-ns rise)
Static immunity Destruction: 8 kV
Malfunction: 4 kV
Degree of protection IP40 (Terminal screw sections are excluded.)
Weight Approx. 18 g
EMC (EMI) EN61812-1
Emission Enclosure: EN55011 Group 1 class A
Emission AC Mains: EN55011 Group 1 class A
(EMS) EN61812-1
Immunity ESD: IEC61000-4-2
Immunity RF-interference: IEC61000-4-3
Immunity Burst: IEC61000-4-4
Immunity Surge: IEC51000-4-5
Immunity Conducted Disturbance: IEC61000-4-6
Immunity Voltage Dip/Interruption: IEC61000-4-11
Approved standards UL508, CSA C22.2 No. 14
Conforms to EN61812-1, IEC60664-1 4 kV/2.
Output category according to IEC60947-5-1.