APC ZENL1121 1000 VA / 800 W Online Double-Conversion UPS, Tower, Black, 3x IEC C13, IP20

The APC ZENL1121 is a high-performance online double-conversion UPS designed to provide reliable, clean power protection for critical equipment. With a power capacity of 1000 VA / 800 Watts, it ensures continuous operation during power disturbances, safeguarding servers, network devices, and sensitive electronics. Its tower form factor and black finish make it suitable for office or data center environments.

Advantages

Online double-conversion topology delivers zero transfer time to battery, ensuring the highest level of power quality. The UPS features a multi-function LCD display for easy monitoring and control, and audible alarms for battery, low battery, and overload conditions. Maintenance-free sealed lead-acid batteries provide reliable backup with a typical recharge time of 4 hours.

Suitable for

• Small to medium business servers
• Network switches and routers
• Telecommunications equipment
• Point-of-sale systems
• Industrial automation devices

Key specifications

• UPS Topology: Online / Double-Conversion
• Output Power Capacity: 1000 VA / 800 Watts
• Nominal Output Voltage: 230 V
• Output Connections: 3 x IEC 320 C13 (Battery Backup)
• Waveform: Sine wave
• Input Connection: 1 x IEC 320 C14
• Input Frequency: 40 - 70 Hz (auto sensing)
• Battery Type: Maintenance-free sealed Lead-Acid
• Typical Recharge Time: 4 hours
• Runtime at Half Load (400 W): 10 minutes
• Runtime at Full Load (800 W): 3 minutes
• Control Panel: Multi-function LCD status and control console
• Audible Alarm: Alarm when on battery, low battery alarm, overload continuous tone alarm
• Surge Energy Rating: 600 Joules
• Operating Temperature: 0 - 40 °C
• Operating Relative Humidity: 0 - 95% (non-condensing)
• IP Protection: IP20
• Color: Black
• Form Factor: Tower

Recommendations

For optimal performance, place the UPS in a well-ventilated area away from direct sunlight and moisture. Regularly test the battery and replace it every 3-5 years to ensure reliable backup power. This UPS is ideal for protecting critical loads that require high availability and clean power.