Instruction manualTypes 3AH3 and 3AHc vacuum circuit breaker operator modules4.16 kV to 38 kVInstallation operation maintenance E50001-F710-A251-V1-4A00www.usa.siemens.com/mvswitchgearAnswers for infrastructure and cities.

Siemens 3AH3 Instruction Manual

General

Rating plate

Site altitude

Electrical data

Operating times

Auxiliary switch

CT-operated release

Breaker tripping signal, cut-out Switches (S6 and S7)

Complement

Installing in cubicle or on truck

Earthing

Servicing

Checking the contact systems

Service life

Accessories and spare parts

3AH3

For your safety

Transport, storage and packing

Unpacking (I)

Unpacking (II)

Unpacking (III)

Reusing the transport unit

General information

Standards

Description

Locking devices

Ambient conditions

Switching times

Circuit diagrams

Mounting

Electrical connection of the prime conductor

Operation

First closing operation

Closing

Maintenance

Interrupter service life

Manufacturer's product liability

Index of keywords

Legend for all

3AHc

Siemens 3AH3 Instruction Manual

Product

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