|
Match
|
Document |
Document Title |
|
|
8093984 |
Installation switchgear
An installation switching device includes a housing, a main contact point having an arc quenching chamber, an input terminal, an output terminal, an impact-style armature system configured to move...
|
|
|
7323956 |
Electrical switching apparatus and trip unit including one or more fuses
A circuit breaker includes a circuit breaker frame and a trip unit. The circuit breaker frame includes a housing, a line terminal, a load terminal, separable contacts electrically connected between...
|
|
|
4882556 |
Multi-pole circuit interrupter
A multi-pole circuit interrupter comprising an electrically insulating housing having two side walls and at least two partition walls defining therebetween a central compartment and at least two...
|
|
|
4748431 |
Electrical switches
In an electric switch of the kind comprising a rectilinearly movable contact carrier (31), contacts (33) of which cooperate with fixed contacts (10A-17A,20A-25A) of a housing (19) defining spaces...
|
|
|
4692835 |
Fuse circuit unit for combination with an electromagnetic switch
A fuse circuit unit for combination with an electromagnetic switch has a first terminal having one end thereof adapted to be connected to one terminal of a main fuse of a load circuit, and another...
|
|
|
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...
|
|
|
4151384 |
Multi-phase switch with variable pole spacing
A multi-pole switch characterized by spaced sets of stationary and movable contacts, mounting means for the movable contacts comprising a common contact operating shaft rotatable between open and...
|
|
|
3952273 |
High voltage switch mechanism
Disclosed is an interrupter switch mechanism for interrupting current flow in a high voltage electrical circuit. A tubular switch blade is mounted for linear movement to engage and disengage a...
|
|
|
3842381 |
INTEGRAL FUSE AND SWITCH SUPPORT FOR METAL-ENCLOSED SWITCH GEAR
High voltage pad-mounted switch gear is provided for three phase loop feeder circuits and fused load circuits. The loop circuits are interconnected by series-connected loop feeder switches....
|
|
|
3792222 |
ANTI-SINGLE PHASING DEVICE
A motor controlling system, including a conventional multipole electromagnetic contactor and associated overload relay means, is provided with motor short circuit protector means in the form of...
|
|
|
3772568 |
LOW VOLTAGE APPLIANCE PROTECTOR
A method and apparatus for disconnecting a load from a power source when the voltage from the power source falls below a first predetermined level and for reconnecting the load to the power source...
|
|
|
3761854 |
OVERCURRENT RELEASE OF ELECTRIC SWITCH IN PARTICULAR OF SWITCH BREAKER
A circuit breaker provided with a thermal and electromagnetic element has two levers and two torsion springs. The torsion springs are prestressed and exert on the levers oppositely-directed forces,...
|
|
|
3736550 |
CONNECTING ADAPTER FOR ELECTRIC CABLE AND FUSE
An adapter for connecting an electric cable to a blade-type fuse characteristic by an extruded metal body having at least one cable-receiving aperture with a set screw threadedly seated in the body...
|
|
|
3711748 |
ELECTRIC PLUG-ON CIRCUIT BREAKER WITH MEANS FOR ASSURING TRIPPING OF THE BREAKER BEFORE UNPLUGGING
A molded case electric circuit breaker has plug-on jaws at the line end arranged to plug onto edge portions of flat bus bars, stacked in spaced face to face relation, upon movement of the circuit...
|
|
|
3688237 |
FUSED CIRCUIT BREAKER
A fused circuit breaker with means for tripping the breaker upon removal of the fuse cover.
|
|
|
3593248 |
THERMAL CONTROL MEANS
A thermal actuating device including a bimetal element with an electrical heating member which is resiliently coupled thereto. The resilient coupling permits relative movement between the bimetal...
|
|
|
3538475 |
CIRCUIT BREAKER WITH CURRENT LIMITING FUSE MEANS
|
|
|
3530406 |
CIRCUIT BREAKER WITH CURRENT-LIMITING FUSES AND MISSING FUSE INTERLOCK
|
|
|
3566325 |
ELECTRICAL CIRCUIT PROTECTION ARRANGEMENT
|
|
|
3480899 |
CIRCUIT INTERRUPTERS
|
|
|
3450949 |
FUSE FAILURE DETECTOR
|
|
|
3400353 |
Metal enclosed switchgear with series connected switch means, circuit interrupter means, current responsive means and operating means mounted on door
|
|
|
3356805 |
Circuit breaker trip unit assembly with improved thermal characteristics
|
|
|
3345481 |
Circuit interrupter
|
|
|
3319025 |
Circuit breaker with removable fuse unit having securing screws used for removal of the fuse unit
|
|
|
3319026 |
Multiple pole fused disconnect switch
|
|
|
3309478 |
Multi-pole electric circuit breaker and fuse combination with single blownfuse sensing solenoid for all poles
|
|
|
3307002 |
Multipole circuit breaker
|
|
|
3293392 |
Fuse protected electrical switch
|
|
|
3287534 |
Circuit interrupter structure with improved terminal means
|
|
|
3287521 |
Housing and interlock for bolt connected current limiting fuses
|
|
|
3274356 |
Draw-out fused switch-gear apparatus
|
|
|
3264433 |
Switching apparatus employing fuse as movable contact and having safety features
|
|
|
3264432 |
Pivotable fuse mount for switching apparatus
|
|
|
3264431 |
Compact switching apparatus employing fuse as movable contact
|
|
|
3248500 |
Multipole circuit interrupting device having a removable fuse unit with a common unitary tripping bar
|
|
|
3244837 |
Heating means for bimetal trip element
|
|
|
3185792 |
Circuit breaker trip mechanism
|
|
|
3171926 |
Circuit breaker having a first plurality of series connecnted fuses and a second plurality of fuses in parallel therewith
|
|
|
3118991 |
Removable and replaceable auxiliary housing for circuit breaker containing trip unit and current limiting fuse
|
|
|
3116388 |
Circuit breaker trip assembly
|
|
|
3116385 |
Circuit connection for circuit breakers having current limiting fuses
|
|
|
3110778 |
Automatic trip device for plug-in circuit breaker
|
|
|
3077525 |
Circuit interrupter
|
|
|
3043934 |
Bolted connection for current limiting fuses
|
|
|
3036179 |
Combined flasher arrangement for controlling low and high tension circuits of an electric installation for drawing and writing neon signs
|
|
|
3032631 |
Circuit breaker having electrical and mechanical coordination with a current limiting device
|
|
|
3030474 |
Removable cover for current limiting fuse housing
|
|
|
3009037 |
Current limiting circuit breaker
|
|
|
3009035 |
Circuit interrupters
|