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General| Rated Current (In) | 25 A |
|---|---|
| Poles | 3 |
| Frame Size | E3H |
| Tripping Characteristic | C |
| Breaking Capacity | 10 kA |
| Trip Unit | Thermal-magnetic |
| Standards | IEC 60947-2 |
| Mounting | Fixed |
Specifies conditions for the installation room: dry, dust-free, non-corrosive, and shock-free environment.
Procedures for preparing and installing the fixed part of withdrawable circuit-breakers.
Details on connecting to the power circuit, including terminal shapes and busbar positioning.
Guidance on wiring the circuit-breaker's auxiliary circuits, including interfacing elements.
General steps for putting the circuit-breaker into service, including checks and preparatory operations.
Identification and description of operating and signalling parts on the circuit-breaker front.
Details on manual and electrical closing and opening procedures for the circuit-breaker.
Instructions for the racking-in and racking-out operation of withdrawable circuit-breakers.
Safety warnings and preliminary operations required before performing maintenance.
Indicates the recommended periodic intervals for maintenance operations.
Details on specific maintenance operations like general inspection and contact wear checking.
Important safety information regarding the use and handling of the device.
Describes available protection functions, RMS calculation, mains frequency, and harmonic distortion.
Explains the user interface, pushbuttons, menus, and system settings for the PR123/P.
Defines optical signals, alarms, error messages, and troubleshooting steps for the PR123/P unit.
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