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Discontinued
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A-TB72/72Q Flat Time Switches (Flush-Mount Type, Direct Mount Type) (Discontinued Products)

Rating/ Performance

* Quartz power-failure compensation quartz motor type (A-TB72/72Q Flat Time Switches) have been discontinued on September 30, 2018.

Types

Drive system AC motor type Quartz power-failure compensation quartz motor type
Voltage 100V AC, 110V AC, 120V AC
200V AC, 220V AC, 240V AC
100 to 240V AC
Rating Frequency 50 / 60Hz (Switchable) 50 / 60Hz (Common)
Power consumption 1.5W or less 1W or less
Load Circuit Input / output separate circuit
Manual ON / AUTO Manual switch provided
Capacity
(Resistive load)
15A 250V AC
Setting System Built-in setting element swing type
Minimum unit 15-minute intervals
Minimum range 15 minutes
No. of setting Max. 48 (ON / OFF)
Power failure compensation - 200 hours or more (at 25 ℃)
Time accuracy Clock accuracy Synchronous with power supply frequency Monthly error: Within ±15 seconds (at 25 ℃)
ON clock accuracy ±5 min. (at 25 ℃), not including time synchronization errors
Contact
specifications
Contact arrangement Flush mounting type: 1 Form A, Surface mounting type: 1 Form C
Contact type Solder / tab common terminal: Flush mounting type, Crimp terminal or bare wires: Surface mounting type
Contact material Silver alloy
Life Mechanical life
(contact)
105 times or more
Electrical life
(at rated load)
2 x 104 times or more (ON / OFF)
Electrical
characteristics
Allowable operating voltage range 85 to 115% of rated voltage 80 to 110% of rated voltage
Insulation resistance
(initial)
More than 100MΩ between charged and uncharged sections
More than 100MΩ between contacts (at 500V DC megger)
Dielectric strength
(initial)
Between charged and uncharged sections: 1,500V AC/1 min.
Between contacts : 1,000V AC/1 min.
Surge resistance Surge voltage 7,000V (±1.2 x 50μs one time)
Noise resistance Noise simulator 2,000V Noise simulator 1,000V
Temperature rise 60℃ or less (at 25℃)
Mechanical
characteristics
Malfunctional vibration 10 to 55Hz (amplitude: 0.3mm) for 10 minutes in each vertical, horizontal and lateral direction
Destructive vibration 16.7Hz (amplitude: 4.0mm) for 1 hour in each vertical, horizontal and lateral direction
Malfunctional shock 49m/s2 {5G} or more, 4 times in each vertical, horizontal and lateral direction
Destructive shock 490m/s2 {50G} or more, 5 times in each vertical, horizontal and lateral direction
Ambient
conditions
Ambient operating temperature –10 ℃ to +50 ℃ +14 ℉ to +122 ℉
Ambient operating humidity 45 to 85% RH (non-condensing)
Weight
( ) denotes Surface mounting type
120 g 4.23 oz (190 g 6.70 oz) 100 g 3.53 oz (170 g 6.00 oz)
Note :Protective cover is provided on A-TB72.

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