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Siemens SION User Manual

Siemens SION
80 pages
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SION
®
Vacuum circuit-breaker
7.2 kV – 17.5 kV, 16 kA – 40 kA
24 kV, 16 kA – 25 kA
12 kV – 17.5 kV, 31.5 kA
for generator switching applications
OPERATING INSTRUCTIONS
Order no.: 9229 0025 176 0E
Version: 09.2021 en
© Siemens AG 2021. All rights reserved.
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Siemens SION Specifications

General IconGeneral
TypeMiniature Circuit Breaker (MCB)
Operating Temperature-25°C to +55°C
Protection ClassIP20
Rated Voltage (Ue)230V/400V AC
Poles1P, 2P, 3P, 4P
StandardsIEC 60898
Tripping CharacteristicsB, C, D
MountingDIN Rail

Summary

For Your Safety

Qualified Personnel

Defines requirements for personnel handling the equipment.

General Safety Instructions

General safety rules to be observed for operation and installation.

Transport, Storage, and Packing

Transport Guidelines

Procedures for lifting gear, weight, stacking, and load securing.

Product Description and Specifications

Operating Mechanism

Details components for closing and opening the breaker.

Control and Display Elements

Identifies and explains control buttons and indicators.

Key Technical Specifications

Provides electrical and mechanical specifications for SION® circuit-breakers.

Generator Circuit-Breaker Specs

Lists technical specifications specific to generator circuit-breakers.

Switching Times

Lists operating times for closing, opening, and breaking.

Installation Procedures

Earthing Connection

Instructions for connecting the circuit-breaker to earth.

Main Conductor Connection

Procedures for cleaning and connecting main conductor surfaces.

Inserting and Racking Withdrawable Breakers

Procedures for inserting and locking withdrawable circuit-breakers into switchgear.

Operation and Commissioning

Commissioning Checklist

Pre-operation checks to ensure faultless functioning.

Maintenance and Service

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