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General| Brand | Westinghouse |
|---|---|
| Model | Porcel-line 150 DHP 750C |
| Category | Circuit breakers |
| Language | English |
Contains arc runners, ceramic interrupter stacks, arc shields, blowout coils, baffles, deflectors.
Grounded steel front panel and insulating side sheets to shield pole units and arc chutes.
Includes handling dolly, maintenance lever, levering-in crank, and arc chute lifter.
Located on breaker chassis, houses control items like trip magnets and auxiliary switches.
Inspect crates for damage, check contents against packing list, and examine breaker for shipping damage.
Guidelines for handling breaker shipping containers and individual components.
Instructions on how to manually charge the closing spring using a ratcheting lever.
Ensures only correctly rated breakers fit the cell using notched plates and bars.
Prevents moving the breaker if contacts are closed, with a fail-safe pin mechanism.
Moving breaker to a convenient location near the metal-clad cell.
General procedure for mounting arc chutes on the breaker.
Connecting the shunt strap from lower contact to front arc chute connection.
Attaching barrier assembly to the breaker chassis using provided hardware.
Repositioning the holding pawl if the closing spring does not charge.
Adjusting clearance for the closed breaker interlock to prevent accidental closing.
Procedure for setting contact penetration when operating rods are disconnected.
Factors determining inspection frequency: time, load operations, and short circuit operations.
Establishing a program for routine examination and maintenance.
Importance of recordkeeping for documenting inspections, conditions, and maintenance procedures.
