Display type: UP display timer (increments form 0 to the set time).
Output type: Contact output (SPDT).
Pin type: 8-pin.
Memory backup: Not provided.
Supply voltage: 100 to 240 VAC, 12 to 48 VDC.
Rated time: 1 s to 99 min 59 s(See note 3.).
Miniature DIN-sized (48 x 48 mm) Quartz.
Timer with Abundant Series Versions H7EC-NV-B  PDF datasheet.
Series version cover a wide range of rated times; 9 H7EC-NV-B 999 s,
99.99 s, 999.9 s, 99 min 59 s, and 99 hrs 59 min.
Selection of elapsed time indication, remaining time indication,
contact output, and transistor output types to suit requirements.
Power supply freely selectable within a range of 100 to,
240 VAC, as well as 12 to 48 VDC.
Certified for UL and CSA safety standards H7EC-NV-B  PDF datasheet. Count input: PNP/NPN universal DC voltage input (4.5 to 30 VDC).
Display: 7-segment LCD with backlight.
Max. revolutions displayed (applicable encoder resolution):
1000 s–1 (1 pulse/rev.), 1000 min–1 (60 pulse/rev.); Black body.
Revolutions displayed up to five digits.
Dual revolution display according to encoder resolution used;
1000 s–1/1000 min–1 or 1000.0 s–1 /1000.0 min–1,
Switchable dual revolution display type available (-NV1 models);
extended up to 10000 min–1 H7EC-NV-B  PDF datasheet. Switch between flicker-OFF or flicker-ON start mode.
Independent ON time and OFF time settings.
Eight time ranges from 0.1 s to 1,200 h. Control output: Time-limit SPDT and Instantaneous SPDT.
Supply voltage: 220 VAC (50/60 Hz).
Solid-state Timer with Single Time Range.
and Operating Mode.
Time range: H3BA-X8HA (0.05 s to 12 h),
H3BA-X8HB (0.3 s to 30 h),
H3BA-X8HC (0.6 s to 60 h).
Operating mode: ON-delay only.
Pin type: 8-pin only. Type: H5CZ.
Time specifications: 0.001 to 9.999 s, 0.01 to 99.99 s, 0.1 to 999.9 s,
1 to 9999 s, 1 s to 99 min 59 s, 0.1 to 999.9 min, 1 to 9999 min,
1 min to 99 h 59 min, 0.1 to 999.9 h, 1 to 9999 h.
Operating modes: Timer Mode A: Signal ON Delay I, A-1: Signal ON Delay II,
A-2: Power ON Delay I, A-3: Power ON Delay II, b: Repeat cycle 1,
b-1: Repeat cycle 2, d: Signal OFF Delay, E: Interval, F: Cumulative,
Z: ON/OFF-duty-adjustable flicker, S: Stopwatch, Twin Timer Mode,
toff: Flicker OFF Start 1, ton: Flicker ON Start 1,
toff-1: Flicker OFF Start 2, ton-1: Flicker ON Start 2.
External connections: 8-pin socket.
Inputs: Signal, Reset (NPN inputs).
Outputs: Contact output (time-limit SPDT).
Supply voltage: 12 to 24 VDC/24 VAC.
Easy to Use and Easy to Read.
Basic Features.
Character height of 10 mm for better readability.
Operation is simplified by the Up/Down Keys for each digit on 4-digit.
Safety and Reliability.
Power supply circuit and input cirrcuits are isolated for safety and reliability H7EC-NV-B  PDF catalog.
Set value limit function prevents unexpected operation of output devices.
caused by setting mistakes.
Output counter function helps in managing the service life of the Timer oor,
the load H7EC-NV-B  PDF catalog.
Other Features.
Models with instantaneous contact output.
Waterproof, dust-proof structure (UL508 Type 4X and IP66).
Key protection.