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CyberPower OL1KRM Essential Online 1000VA/800W 2U Rack-mount UPS - 8 Outlets - 4-Minute Runtime - Hot-Swappable Batteries - 120V AC
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Product Features
Product Overview
The CyberPower Essential Online OL1KRM is a double-conversion online UPS engineered for mission-critical equipment protection in rack environments. With 1000VA/800W capacity, this 2U rack-mountable unit delivers clean, uninterrupted power to servers, networking gear, and other sensitive electronics during power disturbances. Its double-conversion topology continuously converts incoming AC power to DC and back to clean AC output, providing complete isolation from utility power issues and ensuring zero transfer time during switchover to battery power.
Featuring eight NEMA 5-15R outlets, the OL1KRM provides ample connectivity for multiple devices while maintaining efficient power distribution. The unit supports both simulated sine wave and sine wave output, making it compatible with a wide range of equipment. With input voltage range of 100-125 V AC and adjustable output voltage from 100-125 V AC, the UPS accommodates various power conditions and equipment requirements. The built-in LCD display offers real-time status monitoring, while SNMP/HTTP remote monitoring enables network-based management and alerts for comprehensive oversight.
Designed for business and enterprise applications, this UPS includes robust protection features such as EMI/RFI noise filtering, surge suppression with 710 J rating, and overload protection. The hot-swappable battery design allows maintenance without downtime, and the Energy Star certification with >96% ECO mode efficiency ensures energy-conscious operation. With a 3-year limited warranty, the OL1KRM provides reliable protection for critical infrastructure in server rooms, data centers, and network closets.
Technical Overview
This UPS employs double-conversion online technology, which continuously converts incoming AC power to DC and back to clean AC output, providing complete isolation from utility power issues. The 0 ns transfer time ensures no interruption during switchover to battery power, making it ideal for sensitive electronic equipment. Electrical specifications include 120 V AC input with a range of 100-125 V AC, and adjustable output voltage from 100-125 V AC. The unit supports both 50 Hz and 60 Hz output frequencies, ensuring compatibility with various equipment standards worldwide.
With input power factor of 0.99 and output power factor of 0.8, the OL1KRM delivers efficient power conversion while minimizing energy waste. The unit features comprehensive protection mechanisms including circuit breaker protection, EMI/RFI noise filtering, and surge suppression rated at 710 J. The built-in bypass switch allows maintenance without interrupting power to connected equipment, while the cold start function enables operation from battery power when AC input is unavailable. The audible alarm provides clear status indications during power events.
Battery configuration includes two 12V 7Ah sealed lead-acid batteries that are hot-swappable, allowing replacement without powering down connected equipment. The typical battery recharge time is 4 hours, ensuring quick recovery after power events. Runtime specifications provide 4 minutes at full 800W load and 11.5 minutes at half load (400W), offering sufficient time for orderly shutdowns or backup generator engagement. Management interfaces include serial, USB, EPO, and USB HID compliant ports for integration with various management systems and graceful shutdown software.
Key Product Advantages
The OL1KRM combines robust power protection with practical features for enterprise environments. The hot-swappable battery design minimizes downtime during maintenance, while the comprehensive monitoring capabilities provide complete visibility into power conditions and UPS status.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Hot-Swappable Battery Design, Comprehensive Monitoring, Enhanced Protection Features.
Hot-Swappable Battery Design
Two 12V 7Ah sealed lead-acid batteries can be replaced without powering down connected equipment, ensuring continuous uptime during maintenance.
Comprehensive Monitoring
LCD display provides real-time status information, while SNMP/HTTP remote monitoring enables network-based management and alerts.
Enhanced Protection Features
Built-in bypass switch, cold start function, audible alarm, and EMI/RFI noise filtering provide multiple layers of equipment protection.
Deployment / Use Cases
Designed for business and enterprise applications, the CyberPower OL1KRM is particularly suited for protecting mission-critical equipment in rack environments. Its 2U form factor makes it compatible with standard server racks, while the eight outlets provide connectivity for multiple devices.
The unit's 4-minute runtime at full load provides sufficient time for connected equipment to perform orderly shutdowns or for backup generators to engage. For environments with lower power demands, the 11.5-minute runtime at half load offers extended protection during extended outages.
Server Room Protection
Ideal for protecting 1-2 rack servers and associated networking equipment during brief power outages, providing time for graceful shutdowns.
Network Infrastructure
Safeguards switches, routers, and other critical networking components from power disturbances that could cause network downtime.
Physical Profile
The silver-finished UPS measures 3.43" (87 mm) in height, 17.05" (433 mm) in width, and 11.22" (285 mm) in depth, occupying 2U of standard rack space. Weighing 26.46 lb (12 kg), the unit is designed for stable rack mounting with proper weight distribution.
Operating within a temperature range of 32°F to 104°F (0°C to 40°C) and emitting 42.8 dB(A) of sound, the OL1KRM is suitable for typical server room environments. The 10 ft (3.05 m) power cord provides flexible installation options within rack configurations.
- Width
- 17.05" (433 mm)
- Depth
- 11.22" (285 mm)
- Height
- 3.43" (87 mm)
- Weight
- 42.8 dB(A)
- Length
- 10 ft (3.05 m)
Highlights
- 1000VA/800W double-conversion online UPS for mission-critical equipment
- 2U rack-mountable form factor with silver finish
- 4-minute runtime at full load, 11.5 minutes at half load
- Eight NEMA 5-15R outlets for multiple device connections
- Hot-swappable batteries for maintenance without downtime
- LCD display with SNMP/HTTP remote monitoring capabilities
- Zero transfer time with simulated sine wave/sine wave output
- Energy Star certified with >96% ECO mode efficiency
- Built-in surge protection (710 J) and EMI/RFI filtering
- 3-year limited warranty for long-term reliability
Specifications
| Specifications | |
|---|---|
| Manufacturer | CyberPower Systems, Inc |
| Manufacturer Part Number | OL1KRM |
| Brand Name | CyberPower |
| Product Line | Essential Online |
| Product Model | OL1KRM |
| Product Name | Essential Online OL1KRM 1000VA Rack-mountable UPS |
| Product Type | Double Conversion Online UPS |
| Technical Information | |
| Plug/Connector Type | NEMA 5-15P |
| Receptacle Type | NEMA 5-15R |
| Receptacle Detail | 8 x NEMA 5-15R |
| Overload Protection | Yes |
| Cord Length | 10 ft (3.05 m) |
| Transfer Time | 0 ns |
| EMI/RFI Noise Filter | Yes |
| Phase | Single Phase |
| Energy Saving | ECO Mode Efficiency >96% |
| Application/Usage | Mission Critical Equipment,Equipment,Generator,Business,Enterprise |
| Surge Suppression | Yes |
| Features | Cold Start Function,Built-in Bypass Switch,Audible Alarm |
| Power Description | |
| Load Capacity (VA) | 1 kVA |
| Load Capacity (Watt) | 800 W |
| Input Voltage | 120 V AC |
| Input Voltage Range | 100 V AC - 125 V AC,60 V AC - 69 V AC |
| Output Voltage | 100 V AC,110 V AC,115 V AC,120 V AC,125 V AC |
| Input Frequency | 40 Hz,70 Hz |
| Output Frequency | 50 Hz,60 Hz |
| Waveform Type | Simulated Sine Wave,Sine Wave |
| Surge Energy Rating | 710 J |
| Circuit Breaker | Yes |
| Input Power Factor | 0.99 |
| Output Power Factor | 0.8 |
| Display & Graphics | |
| Display | LCD |
| Management | |
| Network Management | SNMP/HTTP Remote Monitoring |
| Alarm | Battery Mode |
| Controls/Indicators | |
| Status Indicators | LED Indicators: Power On |
| Interfaces/Ports | |
| Serial Port | Yes |
| USB | Yes |
| EPO Port | Yes |
| USB (HID Compliant) Port | Yes |
| Battery Information | |
| Number of Batteries | 2 |
| Battery Characteristics | Sealed |
| Battery Chemistry | Lead Acid |
| Battery Size | 12V |
| Battery Capacity | 7000 mAh |
| Backup/Run Time (Full Load) | 4 Minute |
| Backup/Run Time (Half Load) | 11.50 Minute |
| Hot Swappable | Yes |
| Typical Battery Recharge Time | 4 Hour |
| Replaceable Battery | Yes |
| Environmental Conditions | |
| Maximum Operating Elevation | 9843 ft (3000146.40 mm) |
| Maximum Storage Elevation | 49213 ft (15000122.40 mm) |
| Storage Temperature | 5°F (-15°C) - 113°F (45°C) |
| Storage Relative Humidity | 0% - 95% |
| Minimum Operating Temperature | 32°F (0°C) |
| Maximum Operating Temperature | 104°F (40°C) |
| Sound Emission (A-Weighted) | 42.8 dB(A) |
| Thermal Dissipation | 245 BTU/h |
| Physical Characteristics | |
| Product Color | Silver |
| Height | 3.43" (87 mm) |
| Width | 17.05" (433 mm) |
| Depth | 11.22" (285 mm) |
| Rack Height | 2U |
| Form Factor | Rack-mountable |
| Weight (Approximate) | 26.46 lb (12002.05 g) |
| Miscellaneous | |
| Energy Star | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 3 Year |
User Manual
FAQ
What is the power capacity of this UPS?
This CyberPower UPS provides 1000VA/800W of power capacity, suitable for protecting mission-critical equipment like servers, networking gear, and other sensitive electronics during power disturbances.
What runtime can I expect at full and half load?
At full 800W load, the UPS delivers 4 minutes of runtime, providing sufficient time for orderly shutdowns or backup generator engagement. At half load (400W), runtime extends to 11.5 minutes for extended protection during longer outages.
How many outlets does this UPS have?
The unit features eight NEMA 5-15R outlets, allowing you to connect multiple devices while maintaining efficient power distribution and protection for your critical equipment.
What input and output voltage specifications does this UPS support?
The UPS accepts 120V AC input with a range of 100-125V AC and provides adjustable output voltage from 100-125V AC, accommodating various power conditions and equipment requirements.
Is this UPS designed for rack or tower deployment?
This is a 2U rack-mountable UPS designed specifically for standard server racks. Its compact form factor and silver finish make it ideal for data centers, server rooms, and network closets where rack space is optimized.
What management and connectivity options are available?
The UPS includes SNMP/HTTP remote monitoring for network-based management, along with serial, USB, EPO, and USB HID compliant ports for integration with various management systems and graceful shutdown software.