Ireland's Electrical Magazine 94 Dec-Jan

OVERLOAD RELAYS

DISTRIBUTED BY AP HASLAM, THE CUBICO RANGE OFFERS RELIABLE CONTROL CONTACTORS, OVERLOADS, AND AUXILIARIES TO SAFEGUARD

Classic and Mini series contactors • Contactors from 4Kw/9A to 18.5Kw/38A • Mountable to DIN-Rail TS35 or mounting plate • 3-pole with integrated auxiliary contact • Available with 230VAC, 24VAC or 24VDC – coil • Auxiliary contact N/C or N/O, integrated • Fitting surge suppressors are available • Compatible with accessories • Rated insulation voltage Ui (VAC): 690

FROM PHASE FAILURE OR OVERLOAD… Protection behind the scenes

I ndustrial electrical equipment specialists A.P. Haslam supply the Cubico range of contactors and thermal overload relays from Schrack Technik, a great choice to protect circuits from phase failure or overload. Contactors and relays may not always be the stars of an electrical installation, but the truth is that they are amongst the main components in the field of electrical and electromechanical controls. They are employed in triggering and protection, generally with other accessories and components. Contactors are widely used in motors, since their contacts allow the switching of high currents triggered by simple buttons and remote controls. Normally, the contactor is used in applications with higher current carrying capacity, whereas the relay is used for lower current applications.

A thermal overload relay is designed to protect electrical systems from overheated conditions. It does not shut off power to the circuit but instead senses when the current has reached a high enough level and opens, allowing the motor to continue to run. Learn more about the Classic and Mini series of Cubico contactors, as well as the range’s thermal overload relays. “A.P. Haslam supply the Cubico range of contactors and thermal overload relays from Schrack Technik, a great choice to protect

Thermal Overload Relays • Matching on contactor series • Include auxiliary contacts • Manual and automatic reset • Temperature compensation • Phase failure protection • Test and stop button • Tripping indicator • Plug-in type

AP Haslam Ltd T: +353 (0)1453 2522 E: sales@aphaslam.ie www.aphaslam.ie

circuits from phase failure or overload.”

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