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General| Rated Current | 50A |
|---|---|
| Number of Poles | 3 |
| Rated Voltage | 690V AC |
| Breaking Capacity | 50kA |
| Mounting | Fixed |
| Standards | IEC 60947-2 |
Instructions for fixing the circuit-breaker to a horizontal surface using specified screws.
Procedures for assembling and installing the fixed part of a withdrawable circuit-breaker.
Details on connecting circuit-breakers to the power circuit, including terminal shapes and busbar positioning.
Step-by-step checks and preparatory operations before putting the circuit-breaker into service.
Detailed steps for manually and electrically closing and opening the circuit-breaker.
Procedure for safely racking the circuit-breaker in and out of its compartment, including warnings.
Critical safety information regarding the handling, use, and maintenance of the device.
Detailed technical specifications including general, electrical, environmental, and communication characteristics.
Instructions for connecting, checking, and performing initial setup of the PR121/P unit.
Detailed technical specifications including general, electrical, environmental, and I/O descriptions.
Instructions for connecting, testing, and setting up the PR122/P unit for operation.
A guide to diagnose and solve common faults and malfunctions of the PR122/P unit.
Detailed technical specifications including general, electrical, I/O, communication, and protection functions.
Instructions for connecting, testing, and setting up the PR123/P unit for operation.
Detailed steps for navigating the Protections menu to access and configure individual protection functions.
Description of LED indicators and their meanings for pre-alarm, alarm, and status.
A comprehensive table listing all error and warning messages displayed on the unit.
A guide to diagnose and solve common faults and malfunctions of the PR123/P unit.
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