Installation
Connecting the mains
This product must be earthed.
- 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 1.5mm2 and 16mm2. Tightening torque is between 1.2Nm and 2.4Nm.
- Hardwire Live/Neutral output terminals will accept wire sizes up to 6mm2.
- Hardwire Earth output ring-tags (blue crimp) will accept wire sizes between 1.0mm2 and 2.5mm2. These may be replaced if larger diameter wiring is installed.
Three phase
Betapack 4 is supplied configured for three-phase star operation as shown.
Single phase
For single-phase operation, fit the supplied linking bar between the L1, L2 and L3 terminals as shown.
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.