LED Timer

RT series

This model has been discontinued.
Compliance with the certification standard is ensured as of the time of shipment from our company.

48-mm□ 4-digit 7-segment LED, One-stage Preset, AC Power Supply RT-13

RT-13 - 48-mm□ 4-digit 7-segment LED, One-stage Preset, AC Power Supply

*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.





AC type

Operation method

Addition, subtraction, addition and subtraction

Operation mode

On-delay 1, On-delay 2, Power-on delay, Off-delay, fl icker (repeat cycle), interval, and total

Return method

Power reset, external reset, manual reset, automatic reset (excluding on delay 1, power on delay, and integration modes)

Display power

7-segment LED (character height: 12 mm)

Number of digits


Time range

0.001 s to 9.999 s, 0.01 s to 99.99 s, 0.1 s to 999.9 s, 1 s to 9999 s, 1 s to 99 m 59 s,
0.1 m to 999.9 m, 1 m to 9999 m, 1 m to 99 h 59 m, 0.1 h to 999.9 h, 1 h to 9999 h

Power off memory time

Service life: approx. 10 years at 20°C

Mounting method

Flush (panel) mounting, DIN-rail mounting, surface mounting*1

Timer accuracy

±0.01% of F.S., ±1 digit of preset time

External calibration input signal

Response time

1 ms/20 ms (selectable)


Non-voltage input (contact, solid-state) (count and reset input)

Power supply reset

Minimum power-off time: 500 ms

One-shot time

0.01 s to 1 s (trimmer variable)


Contact: SPDT, 250 VAC, 3A (resistive load)
Solid-state output: NPN open-collector 100 mA max. (40 V max.)

DC output

12 VDC ±10%, 50 mA max.


Power voltage

100 to 240 VAC ±10 %, 50/60 Hz

Power consumption

9VA or less

Environmental resistance

Insulation resistance

100 MΩ min. with 500 VDC megger (across terminals and housing)

Noise resistance

Square-wave noise from noise simulator: 2 kV, 1 µs (across power terminals)

Environmental resistance

Ambient temperature

-10 to +50 °C (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Withstand voltage

1,000 VAC, for 1 min. (across power terminals and contact)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions

Shock resistance

100 m/s2, 3 times in each of the X, Y, and Z directions


Approx. 170 g

*1 To mount the timer unit on a panel or DIN rail, use the optional mounting attachment (OP-91867).

Data Sheet (PDF) Other Models