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Guardmaster safety interlock switch

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article image Trojan T15 safety interlock switch.

AS PART of its 2001 safety initiative, Rockwell Automation Australia has launched the new Allen-Bradley Guardmaster Trojan T15 safety interlock switch.

Designed to fit at the opening edge of sliding, hinged or lift-off guards, the Trojan T15 incorporates all the essential features required of a safety interlock switch.

It includes two sets of safety contacts, dual channel operation for higher levels of safety, positive-mode reliability, force-guided contacts and a tamper-resistant mechanism, all in a new small 75mm long housing.

The Trojan T15's tough and compact design allows machinery to be safeguarded in full compliance with the safety integrity levels (SIL) specified by the international standard IEC61508 (functional safety of electrical/electronic/programmable electronic safety-related systems).

In addition, its IP67-rated plastic housing can withstand the high-pressure hosedowns routinely undertaken in the food industry and other harsh environments.

The Trojan T15's 180-degree rotatable head allows for four possible actuator entry points, adding versatility to installation.

Additional operational safeguards include a 'self-eject key' to prevent tampering, and a 'key retain' option that combats guard doors opening unexpectedly due to vibration.

For operation in more demanding applications, a more robust model--the Trojan T15-GD2--is available. This model has a stainless steel head and integrated actuator guide, which together improve the mechanical alignment and mechanical life of the safety switch under arduous operating conditions. Rockwell Automation 03 9896 0300.

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