Betapack 4 User Manual v1
9850-000753-00
Page 4 of 12
Connecting the mains
A separate isolator and secure mains earth
connection are required.
Phase to Neutral voltage must not exceed 255VAC.
All wiring entering Betapack 4 must be rated to
+85ºC, H07RN-F cable is recommended.
Cut outs are provided on the ends and rear for
PG21 glands; one is supplied.
Supply terminals will accept wire sizes between
1.5mm
2
and 16mm
2
. Tightening torque is between
1.2Nm and 2.4Nm.
Hardwire Live/Neutral output terminals will accept
wire sizes up to 6mm
2
.
Hardwire Earth output ring-tags (blue crimp) will
accept wire sizes between 1.0mm
2
and 2.5mm
2
.
These may be replaced if larger diameter wiring is
installed.
Three phase
Betapack 4 is supplied configured for three-phase star
operation as shown in Diagram 2:
Diagram 2
Single phase
For single-phase operation, fit the supplied linking bar
between the L1, L2 and L3 terminals as shown in
Diagram 3:
Diagram 3
Three phase delta
For three-phase delta operation, the 6 neutral wires
must be removed from the terminal block, and the
crimped ferrules must be cut off. Strip the ends of these
6 wires, and reconnect as shown in Diagram 4:
Diagram 4
