17
MPB-311
Safety
B
A
2
1
3
C
D
Mag01342
A / D
D
C
a
b
c
d
b
c
c
d
c
e
g
a
a
a
b
c
d
b
c
c
d
c
e
f
a
a
b
c
d
e
f
c
Fig. 2:
Earthing points service door, cover and support beam
A Earthing point service door (single)
B
Earthing point cover (double)
C Earthing point support beam (double)
D
Earthing point mounting panel support beam (single)
a Brass nut
b Schnorr fuse
c Brass disc
d
Ring cable lug
e
Contact disc
f Earthing bolt
g
Countersunk screw for earthing
1 Protective earth conductor for service door
(protective earth conductor service door – cover)
2 Protective earth conductor for cover
(protective earth conductor for cover – support beam)
3
Protective earth conductor for support beam
(protective earth conductor mounting panel support beam – support beam)
Summary of Contents for MPB-311
Page 115: ...115 MPB 311 MPB 311...
