Y E A R G U Electronic On-Delay Timers TA8-A/TA8-SA New short body on-delay timers, with 16 ranges selectable from front panel. Plug-in or panel mounting Timing ranges 0.05 secs to 60 hours 16 ranges, front panel selectable DPCO timed contacts or SPCO timed plus SPCO instantaneous contact versions New scale ranges for ease of time setting Instantaneous output with dial set at 0 Improved resistance to electromagnetic interference Indicators for time range, time up and power on/timing 48-DIN Plug-in octal base Sockets available for panel, surface or DIN rail mounting Approved by standards: UL and CSA Options and ordering codes DPCO TA8-A SPCO TA8-SA 24VAC/DC 24VAC/DC 100-240VAC voltage Timed contacts plus 100-240VAC voltage Timed contacts 48-127VDC instantaneous contacts 48-127VDC Specification Timing ranges (selectable) Calibrated range selected Controlled timing range. Time unit selectable using the screw in the bottom right hand corner of the front panel using screw in bottom left Time unit: 0.1 sec. Time unit: sec. Time unit: min. Time unit: hrs. corner of front panel 06 0.050.6 secs. 0.56 secs. 0.56 mins. 0.56 hrs. 012 0.11.2 112 112 112 030 0.253 2.530 2.530 2.530 060 0.56 560 560 560 Repeat accuracy 0.3% at max. setting time Reset time 0.1 sec or less Max. switching frequency 1800 times/hour Allowable ambient temperature -10C to +55C (Avoid ice on timer) Mechanical life 20 million operations or more Electrical life 100,000 operations or more at 250 V AC 5A resistive load Allowable operating voltage range 0.85 to 1.1 times input voltage (0.9 to 1.1 at 55C) Contact ratings 5A at 250 V AC resistive load Power consumption 10VA at AC, 1W at DC Supply frequency AC types 50/60 Hz 2,000 V AC rms. 1 min. between current carrying part and non current carrying part Dielectric strength 2,000 V AC rms. 1 min. between output contacts and control circuit 1,000 V AC rms. 1 min. between open contacts Insulation Resistance 100 M or more at 500 V DC megger Mechanical durability: 10 to 55Hz, 0.75mm double amplitude Vibration Malfunction durability: 10 to 55Hz, 0.5mm double amplitude 2 Mechanical durability: 500m/s (Approx. 50G) Shock 2 Malfunction durability: 100m/s (Approx. 10G) TA8-A/TA8-SA/03/03 www.imopc.com A R A N T E EElectronic On-Delay Timers TA8-A/TA8-SA continued Timing and wiring diagrams TA8-A Power 2-7 When power is applied, the NO timed contacts make after the 1-3 T set time has elapsed. Timed NO 8-6 1-4 When power is removed the timer resets. Timed NC 8-5 LED POWER LED OUTPUT TA8-SA Power 2-7 Timed contact T When power is applied, the NO contact makes after the set time Timed NO 8-6 has elapsed. Timed NC 8-5 When power is removed, the timer resets. Inst. NO 1-3 Instantaneous contact When power is applied, the NO contact makes instantly. Inst. NC 1-4 When power is removed, the timer resets. LED POWER LED OUTPUT TA8-DA When power (2-7) is ON, the NO timed contacts (1-3, 8-6) are instantly closed. When power is OFF, they are opened after the Power 2-7 set time has elapsed. Timed NO 1-3 8-6 Timed NC 1-4 8-5 TA8-TA When power (2-7) is ON, the NO (1-3, 8-6) and the NC (1-4, 8- 5) timed contacts are alternately closed to repeat the ON-OFF Power 2-7 operations. Timed NO 1-3 When power is OFF the timer resets. 8-6 Timed NC 1-4 8-5 LED POWER LED OUTPUT Dimensions (mm) Flush mounting panel cut-out Adaptor CTB Net weight : Approx. 15g Note: For flush mounting, an adaptor CTB is required (sold separately). Net weight : Approx. 100g When ordering, specify the adaptor type. Sockets Surface/track mounting screw terminal Flush mounting screw terminal STF-8 STD-8 Net weight : Approx. 40g Net weight : Approx. 50g Flush mounting solder terminal ZSV8 TA8-A/TA8-SA/03/03 www.imopc.com