Connect Power To A Three-Phase Wye Ac Power Distribution Module - Juniper MX2020 Quick Start Manual

Connect Power to a Three-Phase Wye AC Power Distribution Module

Copyright © 2015, Juniper Networks, Inc.
NOTE: The three-phase delta AC power cord mating connector is not
supplied by Juniper Networks.
Table 6: Three-Phase Delta AC Power Cord Mating Cable Connector
Specifications
Cable
Three-phase delta
WARNING: Do not touch the power connectors on the PDM. They can contain
dangerous voltages.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Switch off the dedicated customer-site circuit breakers. Ensure that the voltage across
2.
the AC power source cable leads is 0 V and that there is no chance that the cable
leads might become active during installation.
Detach the ESD grounding strap from the approved site ESD grounding point, and
3.
connect the strap to one of the ESD points on the chassis.
Switch off ( O ) the AC PSMs and disengage all AC PSMs.
4.
Using a number 2 Phillips (+) screwdriver, unscrew the four captive screws located
5.
on the either side of the metal AC wiring compartment (four screws total per PDM).
Remove the cover of the metal AC wiring compartment.
6.
Unscrew the retaining nut from the AC power cord.
7.
Put the wires of the AC power cord through the hole of the retaining nut and rubber
8.
grommet.
Put the wires of the AC power cord through the hole of the metal wiring compartment.
9.
Connect the wires to the AC terminal block on the three-phase wye AC PDM (see
10.
Figure 35 on page 52). Figure 36 on page 53
cord and connector. Loosen the input terminal or grounding point screw, insert each
wire into the grounding point or input terminal, and tighten the screw (see
Table 7 on page 54 for approved AC wire gauge).
Connect Power to a Three-Phase Wye AC Power Distribution Module
Manufacturer Part Number
460C9W
shows the three-phase wye AC power
Description
60-amp, 250 volt 3-phase,
3-pole, 4-wire, North
American pin and sleeve
connector, industrial grade,
IP67, watertight (blue)
51