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About this manual
1.1
Validity
1.2
Conventions
Safety instructions
This operating manual is for customers of Pfeiffer Vacuum. It describes the functioning
of the designated product and provides the most important information for safe use of
the unit. The description follows applicable EU guidelines. All information provided in this
operating manual refers to the current state of the product's development. The documen-
tation remains valid as long as the customer does not make any changes to the product.
Up-to-date operating instructions can also be downloaded from www.pfeiffer-vacu-
um.com.
Backing pump relay boxes
Relay box, shielded, for backing pumps, 1-phase 7A for TC 110
and TCP 350, M8
Relay box, shielded, for backing pumps, 1-phase 20 A for TC 110
and TCP 350, M8
Relay box, shielded, for backing pumps, 1-phase 7 A for TC 400/
1200, TM 700 and TCP 350, M12
Relay box, shielded, for backing pumps, 1-phase 20 A for TC 400/
1200, TM 700 and TCP 350, M12
The safety instructions in Pfeiffer Vacuum operating instructions are the result of risk
evaluations and hazard analyses and are oriented on international certification stan-
dards as specified by UL, CSA, ANSI Z-535, SEMI S1, ISO 3864 and DIN 4844. In this
document, the following hazard levels and information are considered:
Imminent danger
Indicates an imminent hazardous situation that will result in death or serious injury.
Possibly imminent danger
Indicates an imminent hazardous situation that can result in death or serious injury.
Possibly imminent danger
Indicates an imminent hazardous situation that can result in minor or moderate injury.
Command or note
Command to perform an action or information about properties, the disregarding of
which may result in damage to the product.
Order number
PM 071 282 -X
PM 071 283 -X
PM 071 284 -X
PM 071 285 -X
DANGER
WARNING
CAUTION
NOTICE
About this manual
3
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