Related
Documentation
MX240 AC Power Supply Description on page 90•
• MX240 DC Power Supply Description on page 92
• Connecting Power to an AC-Powered MX240 Router with Normal-Capacity Power
Supplies on page 199
• Connecting Power to a DC-Powered MX240 Router with Normal-Capacity Power
Supplies on page 201
• Replacing an MX240 AC Normal-Capacity Power Supply on page 335
• MX240 Chassis Grounding Specifications on page 157
• MX240 Router Grounding Cable Lug Specifications
• Troubleshooting the MX240 Power System on page 410
MX240 AC Power Supply Description
Each AC power supply weighs approximately 5.0 lb (2.3 kg) and consists of one AC
appliance inlet, one AC input switch, a fan, and LEDs to monitor the status of the power
supply. Figure 32 on page 90 shows the power supply. For existing power supplies, each
inlet requires a dedicated AC power feed and a dedicated 15 A (250 VAC) circuit breaker.
Figure 32: AC Power Supply
For high-capacity power supplies, each inlet requires a dedicated AC power feed and a
dedicated 16.0 A @ 100 VAC or 11.0 A @ 200 VAC circuit breaker, or as required by local
code.
The maximum inrush current for a high-capacity AC power supply is 49A at 264VAC.
Figure 33 on page 91shows the high-capacity power supply.
Copyright © 2017, Juniper Networks, Inc.90
MX240 3D Universal Edge Router Hardware Guide
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