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Details degree of protection against direct contact and shock-proofing for installation personnel.
Explains the 3RB12's overload, thermistor, and earth-fault protection capabilities for electrical equipment.
Provides information on mounting positions and methods for 70 mm, 120 mm, 145 mm, and 230 mm devices.
Details connection of main conductors, including current ranges and looping techniques for different motor currents.
Explains how to protect single-phase AC motors by looping phase L through the device, referencing Fig. III.
Covers busbar connections for 50-820A, auxiliary conductor connections, thermistor sensor connection, and connection schemes.
Describes using the current setting range knob to select the appropriate current for the motor.
Explains how to select the appropriate tripping characteristic using the class changeover switch.
Details the meaning of LED indicators and auxiliary switch statuses for different operational states like ready, overload, and earth fault.
Outlines the procedure for testing the device using the Test/Reset button and the resulting LED and switch statuses.
Details methods for resetting the relay after tripping, including test button, remote reset, and automatic reset.
Lists compliance standards, EMC requirements, and general device specifications.
Provides weight information for different device sizes and details rated control supply voltage and main circuit voltage ratings.
Covers main circuit parameters like frequency, insulation voltage, ambient temperature, and auxiliary circuit contacts and switching capacity.
Details technical data for short-circuit protection, control circuit fuses, thermistor protection parameters, and earth fault protection.
General