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General| Manufacturer | FEDERAL PIONEER |
|---|---|
| Type | H-3 |
| Interrupting Capacity | 10kA |
| Mounting | Panel Mount |
| Voltage | 240V AC |
| Amperage | 15, 20, 30, 40, 50, 60, 70, 80, 90, 100 A |
| Number of Poles | 3 |
| Standards | UL Listed, CSA Certified |
Procedure for checking breaker condition upon delivery, including damage assessment and inventory verification.
Instructions for safely lifting and moving the circuit breaker unit, specifying lifting points.
Guidelines for storing the circuit breaker in its shipping container in a clean, dry area.
Requirements for installing the breaker within sheet steel enclosures, including barrier specifications.
Proper plating and connection of power terminals for maximum joint efficiency and cable support.
Wiring practices for control circuits and remote devices, including routing and support.
A labeled diagram identifying the various components of the breaker mechanism.
A labeled diagram illustrating the components of the drawout cradle.
Identification of controls, indicators, and features on the breaker faceplate.
Procedure for inserting and removing drawout mounted breakers between positions.
Establishes grounding continuity during drawout positioning from test to operating.
Contacts that connect/disconnect control circuits during drawout positioning.
Steps to ensure all electrical and mechanical closing interlocks are reset before closing.
Procedure for charging and closing the main spring using the manual handle.
Operation sequence for charging the spring and closing the breaker electrically.
Devices preventing reclosure and enabling padlock security for safe operation.
Methods for tripping the breaker to open contacts using manual or electrical means.
Prevents insertion of breakers into incompatible cradles of different ratings.
Procedure for safely discharging the closing spring and avoiding dry runs.
Overcurrent protection using the Type USD solid state overcurrent relay.
Guidelines for installing NEMA Class L HRC fuses on the breaker frame.
Device protecting against single-phase power loss by tripping the breaker.
Coils used for tripping the breaker remotely or by relay activation.
Switches providing contact arrangements for external control circuits.
Solenoid that initiates the closing stroke in electrically operated breakers.
Prevents repeated closing attempts on a tripped breaker.
Motor for charging the closing spring in electrically operated breakers.
Stops the charging motor at the end of the charging stroke.
Prevents electrical closing until the closing mechanism is ready.
A mechanical counter for tracking breaker operations to indicate maintenance intervals.
Switches mounted in the cradle for position indication or interlock bypass.
Prevents repeated closing attempts on a tripped breaker when control is maintained.
Trips the breaker when supply voltage drops below a predetermined level.
Prevents paralleling breakers in transfer schemes by tripping on closing.
Prevents reclosing after overload trip until manually reset.
Trips the breaker when the cell door is opened.
Key interlocks to prevent closing or tripping the breaker.
Interlocks breakers in transfer schemes to ensure only one breaker is closed.
Covers for line and load main contact stabs when the breaker is withdrawn.
Final checks and testing procedures for fixed mounted breakers before service.
Final checks and testing procedures for drawout mounted breakers before service.
Recommended inspection, lubrication, and servicing intervals based on operations.
List of tools, supplies, and a summary checklist for basic breaker maintenance.
Step-by-step procedure for performing basic maintenance on the breaker.
Adjusting the eccentric bolt for proper toggle linkage function during closing.
Adjusting the close latch for proper engagement with the ratchet wheel.
Adjusting the trip latch roller engagement for proper breaker tripping.
Adjusting the gate interlock to prevent operation when breaker is closed or spring charged.
Adjustment for shunt trip coil operation and free travel.
Adjusting the striker for the undervoltage trip device.
Adjusting the latch check switch for proper contact operation.
Checking the operation of the mechanical interlock mechanism.
Performing a simple mechanical check of the anti-single-phase device.
Adjusting the sensor tap indicator on the breaker nameplate.
Availability of lifting devices and other essential maintenance accessories.
Information on recommended spare parts and how to order them.
Table detailing coil resistance, voltage, and current ratings for various breaker functions.
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