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PS-96 AC INPUT SECTION PAGE | 27
Important Note: Always re-install the terminal guard to protect users against inadvertent contact
with hazardous DC voltages on the connection lugs and DC output terminals.
1 Follow your facility’s Lockout/Tagout procedures and verify that input AC power to the DC
power supply is physically locked out or disconnected.
2 Connect the safety ground (earth) wire, typically green, to the input terminal labeled “GND”.
3 Connect the first AC three-phase hot wire, typically black, to the input terminal labeled “L1/L”.
4 Connect the second three-phase hot wire, typically red, to the input terminal labeled “L2/L”.
5 Connect a jumper wire (the same wire gauge as the other AC wires) between the terminals
labeled “L2/L” and “L2/N”.
6 Connect the third AC hot wire, typically blue, to the input terminal labeled “L3/N”.
Single-phase input power requirements for NOVANTA PS-96 DC power supply are 208–264 VAC, 1Ø
(single phase), 20 A maximum, 47–63 Hz. Table below provides recommendations for single-phase input
wiring and fusing.
Single-phase operation
Table 2-5 Single-phase AC electrical recommendations.
Parameter Recommendation
Input voltage 208–264 VAC, 1Ø
Input current, max. 20 Amperes
Wire gauge 10 AWG
Fuse/circuit breaker 30 Amps
There are two possible circuit configurations for single-phase connections: (1) one circuit where the
voltage between hot conductors measures 208–264 VAC (recommended), or (2) an alternate case using
two individual circuits where the voltage between the hot and neutral conductors from each individual
circuit measures 120–264 VAC. To connect single-phase AC input power to the PS-96 power supply, refer
back to prior figures and perform the following steps:
Important Note: Because AC input connections and requirements vary from facility to facility,
customers must provide the AC power cable or wiring.
One single-phase circuit (208–264 VAC)
1 Follow your facility’s Lockout/Tagout procedures and verify that input AC power to the DC power
supply is physically locked out or disconnected.
2 Connect the safety ground (earth) wire, typically green, to the input terminal labeled “GND”.
3 Connect one AC hot wire, typically black, to the input terminal labeled “L1/L”.