Table of Contents
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3.7.5.
59
3.7.6.
three-phase closed delta load ...................................61
3.7.7.
3.7.8.
independent single-phase loads ................................64
3.7.9.
three-phase star load with neutral .............................65
3.7.10.
three-phase star load without neutral ........................66
3.7.11.
67
3.7.12.
three-phase closed delta load ...................................69
3.7.13.
3.7.14.
three-phase open delta load ......................................72
3.7.15.
independent loads in open delta ...............................73
3.8.
Notes on use with inductive loads and transformers ...........74
4.
Operating modes ............................................
4.1.
Trigger modes ......................................................................75
4.1.1.
"Zero crossing" mode ................................................75
4.1.1.1.
ZC - constant cycle time ...................................75
4.1.1.2.
BF - variable cycle time .....................................75
4.1.1.3.
HSC - Half single cycle ......................................76
4.1.2.
Phase angle (PA) ........................................................76
4.2.
Additional functions .............................................................77
4.2.1.
Softstart .....................................................................77
4.2.2.
RMS current limit .......................................................77
4.2.3.
DT - Delay triggering ..................................................78
4.3.
Digital input (PWM) ...............................................................79
5.
5.3.1.
"AutoBaud Port 1" procedure ....................................80
6.
Maintenance ...................................................
6.1.
Periodic cleaning ..................................................................81
6.1.1.
Overtemperature alarm ..............................................81
6.2.
Replacing the internal fuse ...................................................82
6.3.
Replacing the fieldbus interface board ................................84
6.4.
Disposal ...............................................................................84
7.
Technical specifications ................................
7.1.
Derating curves ....................................................................92
8.
Order codes ....................................................
9.
Accessories ....................................................
9.1.
Kit, keypad and cables .........................................................94
9.2.
Ultrarapid fuses ....................................................................94
9.3.
GG Fuses .............................................................................94
9.4.
Short-circuit protection / SCCR ...........................................95
75
80
81
85
93
94
81900A "MHW_GPC-40/600A"_03-2021_ENG_page 2
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