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7148453 |
Control unit with thermal protection and an electrical heating device comprising the control unit
An overheating protection system for a control unit includes an interrupter element, which, in its initial position defined with respect to a circuit board, electrically connects the opposite...
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6937131 |
Self-shadowing MEM structures
Self-shadowed microelectromechanical structures such as self-shadowed bond pads, fuses and compliant members and a method of fabricating self-shadowing microelectromechanical structures that...
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6724291 |
Door sensing fuse block with side extending rotary disconnect
A fuse block for cabinet mounting provides a shaft that may exit a side of the cabinet to be received by a handle mounted on that side. A finger attached to the inner cabinet door provides for an...
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6459353 |
Housing for fused switch
The present invention relates to a fused switch housing ( 1 ) suited to accommodate at least one fuse adapter ( 2 ) having a first and a second contact surface ( 10 ). The fused switch housing ( 1...
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5923238 |
Overvoltage protective module
An overvoltage protective module comprising a base body made of plastic with embedded contact strips, overvoltage suppressers arranged on the top of the base body and provided with fuse elements,...
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4501956 |
Electrical resistance heating element
Electrical resistance heating element including a number of metal strips arranged in a meander-like pattern. In the resistance metal strips, which are made from a non-expensive base sheet material...
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4323871 |
Circuit protecting apparatus including resettable vacuum fuse and switch
A current-responsive, resettable, violence-free low fault range vacuum-type switch interrupter is disclosed which is especially designed for series connection with a high fault range current...
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4275373 |
Combination expulsion fuse
A combination fuse has a current limiting section and a low current expulsion section with the expulsion section within the high current section. This arrangement makes it possible to increase the...
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4184138 |
Offset, series connected current limiting fuse and expulsion fuseholder assembly for opengate cutout
A combination dropout assembly adapted for use with protective cutouts in an electrical distribution system comprises a current limiting fuse electrically connected in series with an explusion-type...
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4083028 |
Pad-mounted double-fused vacuum switchgear
Pad-mounted double-fused switchgear especially adapted for use in underground distribution systems is provided which includes an oil tank having manually operable vacuum switch apparatus therein in...
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3828289 |
COMBINED CURRENT AND TEMPERATURE SENSITIVE FUSE ASSEMBLY
A combined current and temperature sensitive fuse assembly of a given current and temperature rating for installation between an electric source and an electric load comprises a pair of electrical...
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3796980 |
DISPOSABLE CIRCUIT BREAKER
A circuit breaker characterized by relatively movable contacts and operating mechanism therefor together with a bimetal trip element and a latch member releasably restraining the operating...
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3783342 |
INDICATING FUSE HAVING IMPROVED DEIONIZING MUFFLER CONSTRUCTION
An improved indicating-type fuse structure is provided having an improved deionization muffler provided therefor to prevent ionized gas and metallic particles from the fusing link from being...
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3748619 |
ELECTRIC SWITCHES EQUIPPED WITH FUSE MEANS
A switch having at least one pair of fixed contacts and at least one pair of movable contacts adapted to cooperate with these fixed contacts, the movable contacts are connected with each other by...
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3467934 |
FLEXIBLE-TUBE FUSE CONSTRUCTION
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3385938 |
Metal enclosed switchgear having circuit interrupter means mounted on the door and connected in series and interlocked with switch blade means
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3345481 |
Circuit interrupter
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3308256 |
Safety switch having flatwise pivotable blades
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3292048 |
Protected electrical transformer
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2930961 |
Fuse monitoring circuit
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2883491 |
Safety cover for switch boards
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