Product Type | Online Rack-Mount UPS |
Scalable Power Capacity | 4kVA to 6kVA |
Nominal Output Power | 2800 Watts / 4000 VA |
Form Factor | Rack-Mountable (6U) |
Redundancy | N+1 Redundant Architecture |
Topology | Double Conversion Online |
Battery Type | Hot-swappable VRLA batteries |
Battery Modules Supported | Up to 4 SYBT2 modules |
Runtime (Full Load) | Approximately 5 minutes |
Expandable Runtime | Yes |
Power Requirements | 208/240V AC, 57–63 Hz |
Weight | 203 lb (92.08 kg) |
APC Symmetra RM 4kVA Scalable to 6kVA N+1 Rack UPS

Key Benefits

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- - Scalable power design from 4kVA to 6kVA with N+1 redundancy ensures long-term investment protection
- - Dual management interfaces (RS-232 and Ethernet) enable flexible, remote monitoring
- - TAA compliance and U.S. manufacturing meet procurement standards for federal agencies
Product Overview
The APC Symmetra RM 4kVA Scalable to 6kVA N+1 is a rack-mountable, online UPS system that delivers 2800 Watts / 4000 VA of scalable, regulated power at 208/240V (57–63 Hz). Featuring RS-232 (DB-9) and Ethernet (RJ-45) management ports and multiple output options (4 x NEMA L5-20R, 2 x NEMA L6-20R), it ensures versatile deployment in IT environments. With N+1 redundancy and TAA compliance, it's engineered for dependable and scalable power protection in critical enterprise applications.
Specifications
Product Overview
Physical & Environmental
Rack Height | 6U |
Dimensions (H x W x D) | 10.4 x 17.5 x 28.1 in (26.4 x 44.4 x 71.3 cm) |
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
Storage Temperature | -15°C to 45°C (5°F to 113°F) |
Relative Humidity (Operating) | 0 – 95% (non-condensing) |
Operating Elevation | 0 – 3,000 m (0 – 10,000 ft) |
Audible Noise | 55 dBA at 1 meter |
Color | Black |
Cloud Management & Licensing
Network Management Card Support | AP9630, AP9631 |
Remote Management Features | Remote monitoring, configuration, shutdown via web or SNMP |
Web Interface | Yes, via optional Network Management Card |
Firmware Upgradeable | Yes |
Interfaces
Network Management Ports | RJ-45 Ethernet |
Serial Interface | DB-9 RS-232 |
SmartSlot Expansion Bays | 1 |
Output Connectors | 4 x NEMA L5-20R, 2 x NEMA L6-20R |
Input Connector | Hard wire 3-wire (1PH + N + G) |
Communication Protocols Supported | SNMP, Telnet, HTTP, HTTPS |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
Certifications | UL 1778, FCC Part 15 Class A, CSA, CE, VDE |
RoHS Compliant | Yes |
Advanced Security Features
Password Protection | Yes |
Event Notification | Email, SNMP Traps, Syslog |