Chapter 1 Overview 11
ECM3 Series Outdoor Power System User Manual
AC distribution parameters and configurations are respectively given in Table 1-13 and Table 1-14.
Table 1-13 Three-phase AC distribution parameters and configurations
Category
Parameter name
Technical parameter
AC distribution
Three-phase
Input system
TN or TT system, double-route three-phase five wire
Rated input voltage
Without an air conditioner: 346Vac ~ 433Vac
With an air conditioner: 380Vac ~ 398Vac (±10%)
Rated input current 50A (Max.)
Input MCB
2 × 63A/4P (manualy switch, with mechanical mutual interlock)
AC SPD
60kA (Max.)
AC output
2 × 16A/1P, 2 × 10A/1P
Table 1-14 Single-phase AC distribution parameters and configurations
Category
Parameter name
Technical parameter
AC distribution
Single-phase
Input system
TN or TT system, double-route single-phase three wire
Rated input voltage
Without an air conditioner: 200Vac ~ 250Vac
With an air conditioner: 220Vac ~ 230Vac (±10%)
Rated input current 95A (Max.)
Input MCB
2 × 125A/2P (manualy switch, with mechanical mutual interlock)
AC SPD
60kA (Max.)
AC output
5 × 16A/1P, 4 × 10A/1P
1.2.3 DC Distribution Unit (Optional)
The power system supports a DC distribution unit (see Figure 1-14), and can work with the power subrack. You may
choose to configure as required.
Figure 1-14 DC distribution unit
DC distribution parameters and configurations are given in Table 1-15.
Table 1-15 DC distribution parameters and configurations
Category
Parameter name
Technical parameter
DC distribution
Rated input voltage
53.5V
Priority load
Total current
≤ 50A
16A/1P × 4, 10A/1P × 2
Non-priority load
Total current ≤ 100A
32A/1P × 12, 6A/1P × 1
1.2.4 Environment Monitoring System (Optional)
The power system provides the FSU intelligent monitoring equipment, which controls environment parameter
acquisition such as micro switch (optional), temperature and humidity (optional), smoke (optional), water-logging
(optional), infrared (optional). In addition, it provides multiple routes of dry contact alarm port for user monitoring.
Table 1-16 describes the definition of relevant ports.