Description
Keep your critical servers and network gear online, protected, and easily expandable with the APC Symmetra RM SYH6K6RMT. This 8-U, double-conversion online UPS delivers 6 kVA / 4.2 kW of clean, sine-wave power with N+1 modular redundancy—so even if a power module fails, your load stays protected. Three hot-swappable power modules and three battery modules are pre-installed, leaving one free slot for future growth. A pre-installed Network Management Card 2 provides remote monitoring, environmental sensing, and graceful shutdown capabilities. With 89 % efficiency at full load, a 4-hour recharge time, and flexible 208 or 240 V output configuration, the Symmetra RM is the dependable power backbone for space-constrained data-center racks, edge closets, and telecom applications.
Key benefits
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True double-conversion online topology for zero-transfer protection
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Scalable power & runtime in 2 kVA, 3-battery increments
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Built-in N+1 redundancy for maximum availability
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Hot-swappable power & battery modules—no downtime for maintenance
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Remote management via SNMP/web, plus front-panel LCD
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Internal & manual bypass for safe service without shutting down loads
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Two-year repair-or-replace warranty, extendable on-site coverage available
| Category | Specification |
|---|---|
| Model / SKU | SYH6K6RMT |
| Topology | Double-Conversion Online |
| Power Capacity | 6 kVA / 4,200 W (max configurable) |
| Redundancy | N+1 (3 × 2 kVA power modules installed, 1 free slot) |
| Input Voltage | 208 V (configurable for 240 V) |
| Input Connection | NEMA L6-30P, 10 ft (3.05 m) cord |
| Input Frequency | 50/60 Hz ± 5 Hz, auto-sensing |
| Output Voltage | 208 V nominal (user-configurable 208/240 V) |
| Output Connections | 2 × NEMA L6-20R, 1 × NEMA L6-30R |
| Waveform | Pure sine wave |
| Efficiency (AC-AC) | 89 % at full load |
| Battery Type / Modules | Lead-acid, 3 × hot-swappable modules (0 empty slots) |
| Runtime @ Full Load | 12 min 44 s (4.2 kW) |
| Recharge Time | ≈ 4 hours to 100 % |
| Extendable Runtime | Yes (external battery cabinets supported) |
| Management | Network Management Card 2 (pre-installed), LCD panel, 1 SmartSlot |
| EPO | Yes |
| Rack Units / Form Factor | 8 U, rack-mount |
| Dimensions (H × W × D) | 14.02 × 19.02 × 28.74 in (35.6 × 48.3 × 73 cm) |
| Net Weight | 294.63 lb / 133.64 kg |
| Operating Temp. / Humidity | 32–104 °F (0–40 °C) / 0–95 % RH (non-condensing) |
| Audible Noise | 60 dBA |
| Certifications | UL 1778, CSA, FCC Part 15 Class A |
| GTIN | 731304740278 |
| Warranty | 2-year repair-or-replace (upgradeable to on-site/extended) |
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