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Qualified personnel
For the purpose of this instruction manual and these product labels, a "qualified person" is one who is familiar with
the installation, construction and operation of the equipment and the hazards involved and who, in addition, has
the following qualifications:
·Is trained and authorized to energize, de-energize, clear, ground and tag circuits and equipment in accord-
ance with established safety practices.
·Is trained in the proper care and use of protective equipment in accordance with established safety practices.
·Is trained in rendering first aid
Preventive maintenance
SION®-Z M30 vacuum circuit breakers are approved, Thanks to design measures and the application of special
technology, for a useful life of up to 30,000 mechanical switching cycles provided the recommended maintenance
measures are observed.
To maintain the reliability of the SION®-Z M30 vacuum circuit breaker for a useful life of 30,000 switching cycles,
we recommend maintenance work to be carried out regularly by Siemens certified personnel, depending on oper-
ating conditions in compliance with IEC 62271-1 (ambient temperature, humidity, load carrying capacity and instal-
lation altitudes), the mechanical switching cycles and the operating time:
·After 10,000 and 20,000 switching cycles, perform visual imperfections and lubricate and grease any moving
parts such as latches, rollers and levers in the operating mechanism.
Services
For details of contacts for service work, consult Siemens PTD Services
Phone: 1-800-241-4453
NOTICE
These instructions do not purport to cover all details or variations in equipment, or to provide for every possible
contingency to be met in connection with installation, operation, or maintenance. Should further information be
desired or should particular problems arise which are not covered sufficiently for the purchaser’s purposes, the
matter should be referred to the local Siemens sales office. The contents of this Instruction Manual shall not
become part of or modify any prior or existing agreement, commitment, or relationship. The sales contract con-
tains the entire obligation of Siemens. The warranty contained in the contract between the parties is the sole
warranty of Siemens. Any statements contained herein do not create new warranties or modify the existing
warranty.
Trademarks Unless otherwise noted, all names identified by ® are registered trademarks of Siemens AG or
Siemens Industry, Inc. The remaining trademarks in this publication may be trademarks owned by third parties.
Published by
Siemens Industry, Inc.
5400 Triangle Parkway
Norcross, GA 30092
Technical Support: 1-800-333-7421
Customer Support: 1-888-646-8779
Email: Info.us@siemens.com
