English to Italian Law/Patents Electronics / Elect Eng electrical switching apparatus

The accessory tray comprises: a mounting member comprising a first side structured to receive and removably secure the number of accessories of the electrical switching apparatus, and a second side di-sposed opposite the first side; and a guide mechanism structured to guide the moun-ting member into the cavity. The mounting member is structured to be removable from the cavity in order to removably secure the number of accessories of the electrical switching apparatus thereon, and the moun-ting member is structured to be insertable into the cavity to install the number of accessories of the electrical switching apparatus in a predetermined position within the cavity.

The electrical switching apparatus may be a cir-cuit breaker. The primary accessories may be two ac-cessory modules selected from the group consisting of a shunt trip module and an undervoltage release modu-le, and the two accessory modules may be installed adjacent one another on the first mounting portion of the mounting member of the accessory tray. The number of secondary accessories may be at least one seconda-ry accessory selected from the group consisting of an auxiliary switch and an alarm device, and such secon-dary accessory may be installed on the second moun-ting portion of the mounting member of the accessory tray perpendicular with respect to the two accessory modules.
The cavity of the electrical switching apparatus may be disposed beneath the operating mechanism of the electrical switching apparatus, and the accessory tray may be receivable within the cavity in order to install the number of accessories in the predetermi-ned position beneath the operating mechanism. The operating mechanism may include a trip mechanism structured to trip one the separable contacts in re-sponse to a trip condition, wherein the accessory tray is receivable beneath the tip mechanism.