English
– Improved Visibility : High brightness white LED applied. 8.5mm height,
5.0mm width of Letters Size.
– Easy input/output status check by white lamp
(reset input/prohibition input/Time value indication/output indication)
– Improved durability and design by applying acrylic window on the front part.
– Space efficient from short body.
(63.7mm depth of the rear part in condition of panel attachment)
– Easy-to-set thumbwheel switch applied.
– Input method selection(voltage input/no-voltage input)
and add-subtract mode selection with deep switch on the side part
Decimal position and time range setting available.
– Power supply voltage : 110 – 240V a.c 50/60 Hz
– 8-pin plug for easy installation/maintenance
– Protection cover for the front part, and for terminal block on the rear part. (optional)
Suffix code
| Model | Code | Content |
| TF4A- | ⃞ | Digital Timer, 48(W) X 48(H)㎜ |
| Power supply voltage | A | 100 － 240 V a.c. 50/60 Hz |
· Specification
| Power voltage | 100 – 240Va.c. 50/60Hz |
| Voltage fluctuation rate | Power voltage ±10% |
| Power consumption | 3.2VA |
| Display | White 7 segments LED |
| Character size | Character height (8.5 mm), Character width (5.0 mm) |
| Timer operation | Power On Start |
| Return time | 500 ms max. |
| Timer operation error | ▪ Power start : ±0.01% ±0.05 seconds or less ▪ Reset start : ±0.01% ±0.03 seconds or less |
| Input | ▪ Input method selection by external switch (Voltage input / No voltage input) ▪ RESET, INHIBIT Composed of input ▪ Voltage input : HIGH level (5 V － 30 V d.c.), LOW level (0 V － 2 V d.c.),Input resistance(Approx. 4.7 kΩ)▪ No voltage input : Impedance in case of short circuit(1kΩbelow),Residual voltage in case of short circuit (2 V d.c. below) |
| Input signal time | 20 ms below (RESET, INHIBIT input) |
| Control output | ▪ Time limit 1c (SPDT) ▪ SPDT : NC (250 V a.c. 2 A), NO (250 V a.c. 5 A), Resistance load |
| Relay life time | Electrical (more than 50,000 times), Mechanical (more than 10 million times) |
| External connection method | 8－pin socket |
| Insulation resistance | 100MΩ or more (500 V d.c. Mega standard) |
| Dielectric strength | 2,000 V a.c. 60 Hz 1 minute (Between the conductive part terminal and the case) |
| Noise immunity | Square wave noise by noise simulator ± 2,000 V (Pulse width 1 us) |
| Vibration | ▪ Durability : 10 – 55 Hz (1 minute cycle), Double amplitude 0.75 mm,X‧Y‧Z 2 hours each direction▪ Malfunction : 10 – 55 Hz (1 minute cycle), Double amplitude 0.5 mm,X‧Y‧Z 10 minutes each direction |
| Ambient temperature &humidity |
-10 ~ 55℃, 35 ~ 85% R.H. |
| Storage temperature | -20 ~ 65℃ |
| Weight (g) | Approx. 92 g |
