Ac Power Supply Input Fuses - Juniper MX2020 Hardware Manual

Table 60: MX2000 AC Power System Electrical Specifications
Item
AC input voltage
AC input line frequency
AC system current rating
AC system input power
Efficiency

AC Power Supply Input Fuses

The AC PSM has line and neutral power supply input fuses in both INP0 and INP1.
lists the electrical specifications for each fuse.
Table 61: Electrical Specifications for AC Power Supply Input Fuses
Electrical Characteristic
INP0/INP1 Line Fuse
Ampere Rating
Voltage Rating
Interrupting Rating
Nominal Cold Resistance
Specification
Delta operating range: 200–240 VAC (line-to-line) (nominal)
Wye operating range: 200–240 VAC (line-to-neutral) (nominal)
Single-phase operating range: 200-240 VAC (nominal)
Delta: 50/60 Hz (+/-3Hz)
Wye: 50/60 Hz (+/-3Hz)
Single-phase: 50/60 Hz (+/-3Hz)
Delta: 50 A @ 200 VAC–(input #1 for each PDM) and 25 A @
200 VAC–(input #2 for each PDM)
Wye: 30 A @ 200 VAC–(input #1 for each PDM) and 15 A @
200 VAC–(input #2 for each PDM)
Single-phase: 30 A @ 200 VAC
Delta: 16800 W (input #1), 8400 W (input #2)
Wye: 16800 W (input #1), 8400 W (input #2)
90.5% at 50% load and 220 VAC IN
Table 61 on page 180
Value
Littelfuse 0324020.MX65LP
20A
250V
1000A @ 250V
3.55 mOhm
180