▍Specification
Power voltage |
100 - 240 V a.c. 50/60 Hz |
Voltage fluctuation rate |
Power voltage ±10 % |
Power consumption |
3.2 VA |
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 (1 kΩ below),
Residual voltage in case of short circuit (2 V d.c. below)
|
Min. Input signal time |
20 ms or less (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 |
100 MΩ 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 |
Approx. 92 g |
▍Suffix code
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Model
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Code
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Content
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TF4A-
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Digital Timer, 48(W) X 48(H) mm
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Power supply voltage
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A
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100 - 240 V a.c. 50/60 Hz
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▍Dimension & panel cutout
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