GB 28
Connection
Common connection:
•
3 phase and 1 zero connection (3 1N, 400 V ~ / 50 Hz):
º
Th
e voltage between the phases and the zeros is 230 V ~.
Th
e voltage between the two phases is 400 V ~.
Fit a connecting bridge between connecting points 4-5.
Phase 3 carries no load. Th
e groups must have fuses of at least
16 A (3x). Th
e core diameter of the connecting cable must be
at least 2.5 mm.
•
2 phase and 2 zero connection (2 2N, 230 V ~ / 50 Hz):
º
Th
e voltage between the phases and the zeros is 230 V ~.
º
Th
e group must have fuses of at least 16 A (2x). Th
e core
diameter of the connecting cable must be at least 2.5 mm.
Special connections:
•
Single phase connection (1 1N, 230 V ~ / 50 Hz):
º
Th
e voltage between the phase and the zero is 230 V ~.
Fit a connecting bridge between connecting points 1-2 and
4-5. Th
e group must have a fuse of at least 32 A. Th
e core
diameter of the connecting should be at least 6 mm.
Th
e bridges on the connecting block can be used to create the
required connections, as indicated in these illustrations.
Fix the cable with a pull relief and close the cover.
Conneting point, wall-mounting socket and plug must be accessible
at all times.
Electrical connection
INSTALLATION INSTRUCTIONS
