Switches, Relays & Keypads


Reduced-size relays

1 August 2001 Switches, Relays & Keypads

Tyco Electronics-Schrack offers the PT relay that, with a modern design, offers market leading performance. With AC and DC coils and a choice of 2, 3 and 4-pole variants with contact ratings of 12 A, 10 A and 6 A respectively, the miniature PT represents a new generation of relay construction. As a result, performance is improved in critical areas such as reduced coil consumption, without loss of contact pressure, a switching power increase and a reduction in height from 36 mm to 29 mm. The PT has superior electrical life approved to VDE 0435 at an ambient temperature of 70°C and also meets the European 'low voltage directive' confirmed by the CE mark. For international applications the PT is approved to VDE, UL and CSA.

With a switching current of 6 A, the 4-pole PT offers 20% more switching power than industry standard, while the 3-pole 10 A version has C250 isolation according to VDE 0110, a key technical feature usually only reserved for larger octal style relays. In addition, the reduced system width of the PT increases packing density on the DIN rail.

With a 12 A switching capacity, the 2-pole PT is the most powerful in its class, according to the manufacturer. All three versions are only 29 mm high, allowing better utilisation of cabinet space.

Available in both AC and DC coils, power consumption has been reduced by 30% in comparison to similar models and sensitivity significantly improved. A mechanical operate indicator and manual test tab are standard on all models, as is a colour coding system for easy identification of AC or DC coils.



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