2
1MRS 750123-MUM EN
Issued 96-12-02
Version A (replaces 34 SPAU 12 EN1)
Checked TK
Approved TK
Data subject to change without notice
SPAU 331 C
Voltage relay
Contents
Features .......................................................................................................................... 3
Application ..................................................................................................................... 3
Description of operation ................................................................................................. 4
Connections ................................................................................................................... 5
Operation indicators and push-buttons .......................................................................... 8
Signal flow diagram and configuration switches .............................................................. 9
Power supply module .................................................................................................... 11
Output relay module .................................................................................................... 12
Technical data ............................................................................................................... 13
Maintenance and repair ................................................................................................ 16
Spare parts .................................................................................................................... 16
Delivery alternatives ..................................................................................................... 16
Dimension drawings and mounting.............................................................................. 17
Order numbers and ordering information .................................................................... 18
The complete manual for the voltage relay SPAU 331 C includes the following submanuals:
Voltage relay SPAU 331 C, general description ........................ 1MRS 750123-MUM EN
Residual overvoltage relay module SPCU 1C6 ........................ 1MRS 750509-MUM EN
Undervoltage relay module SPCU 3C15 ................................. 1MRS 750588-MUM EN
General characteristics of C type relay modules ....................... 1MRS 750328-MUM EN
Summary of Contents for SPAU 331 C
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