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General| Brand | Siemens |
|---|---|
| Model | 3AH3 |
| Category | Circuit breakers |
| Language | English |
Defines hazard signal terms like DANGER, WARNING, CAUTION, and NOTE.
Defines what constitutes qualified personnel for handling the circuit-breaker.
States conditions for product liability claims regarding spare parts replacement.
Covers general transport, weight, and methods using cranes or forklifts.
Details unpacking steps, tools, and initial handling of the unit.
Instructions for moving the circuit-breaker on its pallet without the outer carton.
Steps for handling the circuit-breaker when removed from its pallet.
Continues instructions for handling the unit when removed from its pallet.
Instructions for unpacking a version with brackets.
Steps for lifting and moving the unit when it does not have brackets.
Instructions for unpacking a third variant of the circuit-breaker.
Steps for removing supports, side walls, accessory pack, and film.
Instructions for moving the circuit-breaker to its final installation location.
Guidance on repacking the circuit-breaker for return or reuse.
Conditions and guidelines for storing the vacuum circuit-breaker.
Covers safety warnings and the intended range of application for the breaker.
Lists compliance standards, X-Ray approval, and scope of delivery.
Provides a general overview and detailed design of the vacuum circuit-breaker.
Details the components and structure of a single pole assembly.
Describes the mechanism box, its functions, and indicators.
Detailed view and labeling of the opened mechanism box components.
Lists the basic and additional equipment options for the circuit-breaker.
Describes the motor component, its power consumption, and protection.
Details closing solenoid and first shunt release functions and specifications.
Describes the auxiliary switch, its versions, and breaking capacity.
Explains position switches for control and tripping signals.
Details the standard 64-pole interface and optional terminal strip.
Describes second shunt and transformer-operated releases.
Details the undervoltage release, its operation, and connection requirements.
Explains the heater function and alternative manual closing/locking devices.
Explains locking devices based on switching position and mechanical locking.
Describes the assembly preventing plug removal when closed.
Explains the 'priority opening' feature for locking the OPEN position.
Details rating plate information and key technical specifications.
Lists environmental conditions and altitude's impact on insulation.
Details various switching times like closing, opening, and arcing times.
Introduces circuit diagrams showing wiring options.
Presents sample circuit diagrams for closing operations.
Illustrates a partial circuit diagram for the 64-pole interface.
Shows another part of the sample circuit diagram for shunt releases.
Displays a third part of the sample circuit diagram for releases and signals.
Illustrates auxiliary switch terminals and undervoltage release switching.
General safety warnings and preparation for mounting the circuit-breaker.
Instructions for mounting partitions and the circuit-breaker itself.
Instructions for connecting earth and low-voltage cables.
Steps to remove transport securing devices from the undervoltage release.
Instructions for cleaning and connecting busbars to the circuit-breaker.
Shows how to install busbars in a flat orientation and tightening torque.
Checklist for commissioning and procedures for test switching.
Steps for the first closing operation and charging the closing spring.
Details closing/opening commands, indicators, and spring discharge.
General safety, maintenance-free status, and cleaning instructions.
Recommendations for cleaning and lubricants under adverse operating conditions.
Details lubrication points on the operating mechanism.
Information on interrupter service life and replacing spare parts safely.
Covers product liability, disposal, hazardous substances, and service contacts.
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