摘要:
Zum Zwecke der Schaffung einer Schmelzsicherungspatrone mit einem Porzellankörper, in dem sich ein in Sand eingebetteter Schmelzdraht zwischen einem unteren Kontaktfuß und einem oberen Kontaktkopf erstreckt und die einen Kennmelder aufweist, der aus einer Glimmlampe besteht, welche über einen Hochohmwiderstand parallel zum Schmelzdraht geschaltet ist, ist vorgeschlagen, daß der Hochohmwiderstand ebenfalls in den Sand eingebettet ist. Der Hochohmwiderstand kann von einem Isolierstoffrohr, insbesondere einem Siliconschlauch oder einem Steatitröhrchen, ummantelt sein. Sein Widerstandswert beträgt vorzugsweise 500 bis 1.000 Megaohm.
摘要:
Un coupe-circuit à cartouche fusible comprend une ampoule de voyant (9) logée à l'intérieur d'un support (16) en matière translucide qui sert d'organe de commande d'un interrupteur de contrôle (12). En appuyant sur le support (16) contre l'action d'un ressort (19), on peut contrôler l'état de la cartouche fusible selon qu'une lueur apparaît ou non sur la partie émergente (17) du support (16).
摘要:
A fault signaling device, particularly for electrical apparatuses such as interlocked sockets and the like, has an indicator constituted by a lamp (12) which is directly connected to the terminals of a fuse (5) whose blowing causes the lamp to light up. The lamp is mounted in the same supporting member (3) that contains the fuse.
摘要:
An alarm circuit and method of monitoring a circuit protection device are disclosed. The alarm circuit includes a circuit protection device connected in series at an input voltage of a load. The alarm circuit also includes a programmable circuit connected in parallel to the circuit protection device and including an alarm signal. The programmable circuit is programmed to include a plurality of functional states, and at least one functional state corresponds to activation of the alarm signal. The at least one functional state activating the alarm signal corresponds with an interruption condition in the circuit protection device.
摘要:
The invention relates to a fuse combination unit (1), comprising a housing (2) and an operating rocker (30) which is mounted in the housing (2) of the fuse combination unit (1) and can be pivoted back and forth between an on-position and an off-position. The fuse combination unit (1) comprises devices (70, 71, 72, 73) used in a monitoring circuit and a display (35) for monitoring the operational capacity of a fuse cartridge (20), whereby the display (35) is located in the operating rocker (30). The display (35) is preferably an optical display.
摘要:
The invention relates to a fuse holder (10) for a fuse-link (20) in which a fuse status indicator having a printed circuit board (25) and a glow lamp (26) is fitted. The necessary connecting lines (16, 17) are made of conductive plastic from the top and base contacts (22, 23) of the fuse-link (20) to the printed circuit board (25) of the status indicator. The conductive plastic is injected in channels which are provided therefor and are situated in the housing of the fuse holder (10).
摘要:
A fuse insert comprises an insulating element (1) wherein a fuse element embedded in an arc-extinguishing medium extends between two contacts, and an optoelectrical indicator (13) connected in parallel by a network to the fuse element. In order to enhance the cut-off capacity of the fuse insert, a network comprised of an electrically conducting layer (20) and having a high ohmic value with one or a plurality of taps is provided to be connected as a voltage and/or current distributor network. The electrically conducting layer (20) may be selectively formed by spraying, coating, pressing, injection, casting, glueing, lamination, galvanizing or by combinations of those deposition methods, and enables to optimalize the volume of the cut-off cavity and to obtain particularly an extension of the fuse element or an enlargement of the arc-extinguishing medium so that the internal volume of the fuse insert may be optimally used.
摘要:
Sicherungsklemme, insbesondere zum Aufsetzen auf Tragschienen, besonders an Kleintransformatoren, die zwischen Zugangs- und Abgangsanschlüssen elektrische leitende Verbindungen aufweist, wobei in eine Verbindung eine Sicherung zwischen einem Fußkontakt und einem Kopfkontakt eingeschaltet ist. Erfindungsgemäß ist vorgesehen, daß die leitenden Verbindungen zum Fußkontakt (4) und zum Kopfkontakt (6) der Sicherung und eine Durchverbindung in einer Gehäusekammer (8) zusammengeführt sind und mittels eines umsetzbaren Verbindungskörpers (9) mit einem Signalgeber (10) verbindbar sind.
摘要:
A fuse carrier (1) comprises a plurality of sockets (2) for reed-type fuses (3), each socket being provided with a pair (7,8) of electrode clips adapted to provide support and electrical connection for each fuse (3). The electrodes are configured to accommodate a microlamp (12) which, being parallel connected to the fuse (3) turns on on the latter being burned out.