DAC51CM24

## **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 T e Selection yp** ~~oS~~ **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 S ecifications p** 

|**Time ranges (star)**||
|---|---|
|Knob selectable|0.1 to<br>1 s|
||1<br>to<br>10 s<br>6<br>to<br>60 s<br>60 to<br>600s|
|**Star to delta delay**|50 to 130 ms|
|Neutral centre position|between star and delta|
||position|
|**Setting accuracy**|≤5%|
|**Repeatability**|≤0.2%|
|**Time variation**||
|Within rated power supply<br>Within ambient temperature<br>**Reset**<br>Time and relay|≤0.05%<br>≤0.2%<br>Power supply interruption<br>≥200 ms|



## **Out ut S ecifications p p** 

|**Output**||SPDT relay with neutral|
|---|---|---|
|||centreposition|
|**Rated insulation voltage**||250 VAC(RMS)|
|**Contact Ratings**(AgSnO2)||µ|
|Resistive loads|AC 1|5 A<br>@ 250 VAC|
||DC 12|5 A<br>@ 24 VDC|
|Small inductive loads|AC 15|2.5 A @ 250 VAC|
||DC 13|2.5 A @ 24 VDC|
|**Mechanical life**||≥30 x 106 operations|
|**Electrical life**||≥105 operations|
|||(at 5 A,250 V,cosϕ= 1)|
|**Operating frequency**||< 7200 operations/h|
|**Dielectric strength**|||
|Dielectric voltage||2 kVAC (RMS)|
|Rated impulse withstand|||
|voltage||4 kV (1.2/50µs)|



## **Su l S ecifications pp y p** 

**Power supply** Overvoltage cat. III Rated operational voltage (IEC 60664, IEC 60038) through terminals A1 and A2 M24: 24 to 240 VAC/DC +10% -15%, 45 to 65 Hz **Voltage interruption** ≤ 10 ms 

**Rated operational power** AC Supply 5 VA DC Supply 1.5 W ~~—~~ 

**1** 

Specifications are subject to change without notice (20.06.07) 

**DAC 51** 

## **General S ecifications p** 

|**Power ON delay**|≤100 ms|
|---|---|
|**Power OFF delay**|≤100 ms|
|**Indication for**||
|Power supply ON|LED, green|
|Output relays ON|LED, yellow (flashing when|
||timing)|
|**Environment**|(EN 60529)|
|Degree of protection|IP 20|
|Pollution degree|3 (IEC 60664)|
|Operating temperature|-20 to 60 °C, R.H. < 95%|
|Storage temperature|-30 to 80 °C,R.H. < 95%|
|**Housing**||
|Dimensions|17.5 x 81 x 67.2 mm|
|Material|PA66|
|**Weight**|85g|
|**Screw terminals**||
|Tightening torque|Max 0.5 Nm according to|
||IEC EN 60947|
|**Approval**|UL,CSA|
|**CE Marking**|Yes|
|**EMC**|Electromagnetic Compatibility|
|Immunity|According to EN 61000-6-2|
|Emission|Accordingto EN 61000-6-3|
|**Timer Specifications**|According to EN 61812-1|



## **Mode of O eration p** 

The output relay is normally 50 to 130 ms), the relay in the neutral centre posiswitches in delta position tion. When the power supply (pin 18) and does not is applied, the relay switchrelease until the power supes to star position (pin 16) ply is interrupted for at least and the star period starts. 200 ms. 

At the end of the set time If the power supply is interperiod, the relay returns to rupted for more than 200 ms the neutral centre position before the star time period and the set delay between has expired, the relay does star and delta position not operate and the time cirstarts. cuit is set to zero. The relay is ready for a new time periAt the end of the star to od. 

At the end of the star to delta delay (adjustable from 

## **Time Settin g** 

**Upper knob: Lower knob:** Setting of star time range Star to delta time setting (50 to 130 ms) 

## **Centre knob:** 

Star time setting on relative scale: 1 to 10 with respect to the chosen range. 

## **O eration Dia ram p g** 

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≤ 10 ms<br>**----- End of picture text -----**<br>


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ON OFF ON OFF 

## **Wiring Diagram** 

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## **Dimensions** 

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17.5<br>67.2<br>18.7<br>81<br>45<br>2<br>**----- End of picture text -----**<br>


**2** 

Specifications are subject to change without notice (20.06.07)