Timers Star Delta Timer Type DAC51 Time range (Star): 0.1 to 600 s Time range (Star to Delta): 50 to 130 ms Knob selection of star time range Knob adjustable time setting Automatic start Repeatability: 0.2% Output: 5 A SPDT relay with neutral centre position For mounting on DIN-rail in accordance with DIN/EN 50 022 17.5 mm Din-rail housing (DIN 43880) LED indication for relay status and power supply ON Product Description Ordering key DAC 51 C M24 Star-delta control relay with Housing 17.5 mm wide suit- Housing two adjustable time ranges: able for DIN-rail mounting. Function Star function (0.1 to 600 s) Fits in M36 cover. Type and star to delta function Item number (50 to 130 ms). Output Power Supply Type Selection Mounting Output Housing Supply: 24 to 240 VAC/DC For DIN-rail SPDT relay Mini-D DAC 51 C M24 with neutral centre position Time Specifications Output Specifications Time ranges (star) Output SPDT relay with neutral Knob selectable 0.1 to 1 s centre position 1 to 10 s Rated insulation voltage 250 VAC (RMS) 6 to 60 s Contact Ratings (AgSnO) 2 60 to 600s Resistive loads AC 1 5 A 250 VAC Star to delta delay 50 to 130 ms DC 12 5 A 24 VDC Neutral centre position between star and delta Small inductive loads AC 15 2.5 A 250 VAC position DC 13 2.5 A 24 VDC Setting accuracy 5% 6 Mechanical life 30 x 10 operations Repeatability 0.2% 5 Electrical life 10 operations Time variation (at 5 A, 250 V, cos = 1) Within rated power supply 0.05% Operating frequency < 7200 operations/h Within ambient temperature 0.2% Dielectric strength Reset Dielectric voltage 2 kVAC (RMS) Time and relay Power supply interruption Rated impulse withstand 200 ms voltage 4 kV (1.2/50s) Supply Specifications Power supply Overvoltage cat. III Rated operational power Rated operational voltage (IEC 60664, IEC 60038) AC Supply 5 VA through terminals A1 and A2 DC Supply 1.5 W M24: 24 to 240 VAC/DC +10% -15%, 45 to 65 Hz Voltage interruption 10 ms Specifications are subject to change without notice (29.11.17) 1DAC 51 General Specifications Mode of Operation The output relay is normally 50 to 130 ms), the relay Power ON delay 100 ms in the neutral centre posi- switches in delta position Power OFF delay 100 ms tion. When the power supply (pin 18) and does not Indication for is applied, the relay switch- release until the power sup- Power supply ON LED, green es to star position (pin 16) ply is interrupted for at least Output relays ON LED, yellow (flashing when and the star period starts. 200 ms. timing) At the end of the set time If the power supply is inter- Environment (EN 60529) period, the relay returns to rupted for more than 200 ms Degree of protection IP 20 the neutral centre position before the star time period Pollution degree 3 (IEC 60664) and the set delay between has expired, the relay does Operating temperature -20 to 60 C, R.H. < 95% star and delta position not operate and the time cir- Storage temperature -30 to 80 C, R.H. < 95% starts. cuit is set to zero. The relay Housing is ready for a new time peri- Dimensions 17.5 x 81 x 67.2 mm At the end of the star to od. Material PA66 delta delay (adjustable from Weight 85 g Screw terminals Tightening torque Max 0.5 Nm according to IEC EN 60947 Time Setting Approval UL, CSA Upper knob: Lower knob: CE Marking Yes Setting of star time range Star to delta time setting (50 to 130 ms) EMC Electromagnetic Compatibility Centre knob: Immunity According to EN 61000-6-2 Star time setting on relative Emission According to EN 61000-6-3 scale: 1 to 10 with respect Timer Specifications According to EN 61812-1 to the chosen range. Operation Diagram 200 ms 200 ms 10 ms Power Supply T T Y Y ON Relay ON (15-16) Y OFF T T Y-D Y-D ON Relay ON (15-18) D OFF Wiring Diagram Dimensions 17.5 67.2 18.7 2 Specifications are subject to change without notice (29.11.17) 2 81 45