Cisco Secure Network Server 3800 Series Appliance Hardware Installation Guide

Power specifications

Updated: April 30, 2026

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Overview

Lists the requirements for the server power supplies, including compatibility and safety considerations.

Note
Do not mix power supply types or wattages in the server. Both power supplies must be identical.

1200 W AC power supply

This table lists the specifications for the 1200 W AC power supply.

Table 1. 1200 W AC power supply specifications
Description	Specification
AC input voltage	100 to 230 VAC
AC input frequency	50 to 60 Hz
Maximum AC input current	12.97 A at 100 VAC
Maximum input volt-amperes	1345 VA at 208 VAC
Maximum inrush current	20 A
Maximum hold-up time	12 ms at 1200 W
Maximum output power per PSU	1100 W at 100–120 VAC 1200 W at 208–230 VAC
Power supply output voltage	12 VDC
Power supply standby voltage	12 VDC
Efficiency rating	Climate Savers Platinum Efficiency (80Plus Titanium certified)
Form factor	RSP2
Input connector	IEC320 C14

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