CTX4040048U 666154 GENERAL ELECTRIC CONTAX contactor 40A 4NO 48Vuc View larger
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CTX4040048U 666154 GENERAL ELECTRIC CONTAX contactor 40A 4NO 48Vuc





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CONTAX contactor 40A 4NO 48Vuc

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Energy Meters Control Analizers



* Brand new product in its original packaging covered by the warranties and certifications provided by GENERAL ELECTRIC

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  • Function:
    Contactors are electromechanically controlled switches used to contol single or multi-phase (high) power loads while the control itself can be (very) low power.

  • Applications:
    Switching of lighting, heating-equipment, motors for pumps and fans,...Day and night contactors are used mainly in combination with dual-tarif applications to allow high-energy-loads (i.e. electrical water heaters, accumulation heaters) only to consume energy during the low-tarif period. A forced-on, forced-off, auto-switch allows to overrule the normal operation of the DN-contactor at all times.

  • Features:
    Except for the 20A version, all contactors have DC coils, resulting in an absolutely noise-free, real silent operation : 50 or 60Hz noise generation by the contactor is impossible. As all DC coil contactors have an internal diode rectifier bridge, they all can be operated by both DC an AC power supplies. The built-in varistor protecs the coil against an overvoltage of up to 5kV.
    The switch position of the contactor isvisualised hrough an indicator flag.
    The loss-proof safety terminals are equipped with Pozidriv screws and have IP20 protection degree. Add-on auxiliary contacts as well as spacers and sealing pieces are available


Status Active


FamilyContactor - Contax
Rated switching capacity (A)40 A
Contact combination4NO
Coil voltage (V)48 V
Number of modules3
Standard packing3
StandardsIEC 60947-4-1, EN 60947-4-1, IEC 61095, EN 61095
Rated insulation voltage (Vac)500Vac
Rated operational voltage (Vac)440Vac
Switching-on capacity at 380-400Vac 3-phase (A)220 A
Switching-off capacity at 380-400Vac 3-phase (A)176 A
Fuse type GL for short-circuit protection (A)63 A
Ohmic loss per contact at In (W)3.0 W
Maximum switching frequency AC1/AC7A300/h
Maximum switching frequency AC3/AC7B600/h
Mechanical service life1.000.000 connections
Electrical service life AC1 / AC7a150000
Electrical service life AC3 / AC7b170000
ScrewsPozidriv 1
Terminal capacity min1 x 1.5 mm²
Magnet contr sys Control voltage range85 - 110%x Vnom
Magnet contr sys Rated operating frequency (Hz)dc, 40 - 450Hz
Magnet contr sys Operating temperature range (°C)-25°C / +55°C
5 VA / 5 W
Magnet contr sys Maximum holding coil power loss5 VA / 5 W
Magnet contr sys Switching-on delay (ms)< 40 ms
Magnet contr sys Switching-off delay (ms)< 40 ms
Magnet contr sys ScrewsPozidriv 1
Terminal capacity max (mm²)1 x 25 mm² / 2 x 10 mm²
Magnet contr sys Terminal capacity min (mm²)1 x 1 mm²
Magnet contr sys Terminal capacity max (mm²)1 x 4 mm² or 2 x 2.5 mm²


Weight0.45 kg


ETIM 5.0 EC001653
ETIM 6.0 EC001653

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