Thyristor contactors DAC

Thyristor contactors

Use

Supply voltage switching: resistance furnaces, incandescent lamps, discharge lamps, direct motor starting.

Features

Long service life, resistance to power line surges, surge-free on/off switching of loads, quiet operation, compliance with PN-EN 60947-4-3.

Technical data

Type	DAC1	DAC2	DAC3
Power supply	3x400 V, 50 Hz	3x400 V, 50 Hz	3x400 V, 50 Hz
Rated current (range)	30 A, 40 A, 50 A	60 A, 80 A, 100 A, 120 A, 160 A, 180 A	250 A, 300 A
Supply voltage tolerance	-15% ÷ +10% Un
Usage categories	AC51, AC55aa, AC55b, AC52a, AC52b, AC53a, AC53b
Control signals*	12 VDC, 12 VAC, 24 VDC, 24 VAC, 110 VDC, 230 VAC
Thyristor control	Zero-voltage switch-on
Receiver connection system	star or triangle
Surge protection	RC suppressor
Cooling	air	forced air with own fans	forced air with own fans
Ingress Protection	IP00
Insulation test voltage	2,5 kV
Degree of contamination	3
Operating temperature range	0 - 50 °C
Storage temperature range	-20 ÷ 60 °C
Protective cover	metaplex
Short-circuit protection	fast fuses
Relative humidity	up to 85% (condensation-free)
Altitude	up to 1000 m
Rectangle of fixing holes	155x175 mm	155x175 mm (DAC2 60, 80); 280x155 mm (other)	280x410 mm
Dimensions (D x W x H)	200x185x255 mm	240x185x255 mm (DAC 60, 80); 340x175x255 mm (other)	340x380x260 mm
Weight	5,5 kg	6-9.5 kg	28 kg

Notice:
* Please specify the type of control signal in your order.