1. Product Overview

The GSS Rack Series 1–3kVA is a 1U 19-inch rack-mount online double-conversion UPS developed by GOTTOGPOWER (ANHUI) CO., LTD, purpose-built for server racks, network equipment cabinets, and AV infrastructure where every rack unit is accounted for and a tower UPS simply does not belong. Sharing the same proven 1P/1P Online Double Conversion electrical platform as the GSS Tower Series, the GSS Rack UPS trades the freestanding chassis for a slim 1U rackmount enclosure — 86mm tall and either 440mm or 580mm deep depending on battery configuration — making it the natural choice for IT administrators who need clean online UPS protection directly inside the rack alongside the equipment it protects.

Eight models span three power classes (1kVA, 1.5kVA, 2kVA, 3kVA), each available in an RB (rack built-in battery) and RL (rack long-run, external battery) variant. The RB models house factory-installed sealed lead-acid packs internally for self-contained backup; the RL models connect to an external battery cabinet for extended runtime — both in the same 1U form factor that mounts without tools in any standard 19-inch rack.

2. Key Features

• 1U 19-Inch Rack-Mount Form Factor — Zero Wasted Rack Space: At just 86mm (1U) tall and 440–580mm deep, the GSS Rack UPS installs directly into any standard 19-inch server rack or network cabinet. Positioning UPS protection inside the rack — rather than beside it on the floor — keeps cable runs short, simplifies load management, and leaves floor space free for other infrastructure.
• RB (Built-in Battery) & RL (Long-Run) Variants in 1U: The RB models carry their battery packs internally in the same 1U chassis; the RL models connect to a separate external battery cabinet. Both mount identically in the rack — the only physical difference is depth (440mm vs 580mm) — letting facilities teams choose runtime without changing the rack layout or cabling plan.
• ≥96% Efficiency — Rack-Level Energy Management: Running at ≥96% efficiency in normal mode, each GSS Rack UPS contributes less than 4% in conversion losses back into the rack as heat — directly reducing the per-rack cooling requirement for high-density deployments where thermal budget is as important as power budget.
• Output PF=1 — Drives the Full Rated Load: Unity output power factor means the rated kVA is fully available as kW. A 2kVA GSS02RB delivers a full 2kW to the connected load — no derating penalty for modern server PSUs with active PFC, unlike older 0.8 PF UPS designs that effectively deliver only 1.6kW from a 2kVA unit.
• Zero Transfer Time — Main to Battery: 0ms switchover from mains to battery ensures servers, switches, and storage arrays connected to the GSS Rack UPS experience no interruption during a power event — the same true online protection expected from a much larger three-phase system, in a 1U package.
• Wide 110–300VAC Input Range — One SKU for Global Rack Deployments: The 110–300VAC input range with proportional load derating covers every major single-phase power distribution standard worldwide, allowing the same GSS Rack model to be stocked and deployed across mixed-voltage data halls, remote offices, and international sites without region-specific variants.
• Optional Up to 12A Charging — Faster Recovery Between Events: RL long-run models support an optional 1–12A charging upgrade, enabling large external battery banks to be recharged rapidly after a discharge event — critical for sites that experience multiple daily power disturbances and need the UPS back at full reserve between events.

3. Typical Applications

The GSS Rack Series is designed for installations where UPS protection needs to live inside the rack, not next to it:

• Server Rack & Data Center Row UPS — 1U rack-mount UPS for individual server racks, storage arrays, and top-of-rack networking gear in data center rows, eliminating the need for a separate UPS room or floor-standing units alongside populated racks.
• Network Cabinet & Telecoms Closet UPS — Rack-mount UPS for 19-inch network cabinets housing switches, routers, firewalls, and PoE infrastructure in telecoms closets, branch offices, and distributed edge locations where floor space is non-existent.
• AV & Broadcast Rack UPS — 1U online UPS for broadcast equipment racks, audio-visual distribution systems, live production racks, and installed AV infrastructure where rack real estate is measured per unit and tower UPS options are not viable.
• Finance & Trading Floor Rack UPS — Rack-integrated online UPS protection for trading workstation racks, financial terminal infrastructure, and high-frequency trading edge nodes where zero transfer time and rack co-location are both required.
• Healthcare IT Rack UPS — Clean online rack UPS for hospital server racks, clinical informatics infrastructure, pharmacy management systems, and medical device integration hubs requiring protected power without expanding the physical footprint.
• Education & Research Server Rack UPS — Rack-mount UPS for university server rooms, HPC storage nodes, research data infrastructure, and campus IT equipment racks where space efficiency and zero-interruption power are both priorities.
• Industrial Edge & IoT Gateway Rack UPS — 1U rack-mount UPS for industrial computing racks, IoT gateway enclosures, SCADA front-end servers, and edge computing nodes in factory and utility environments.

4. Technical Specifications

Models: GSS01RB · GSS01RL · GSS01.5RB · GSS01.5RL · GSS02RB · GSS02RL · GSS03RB · GSS03RL

Note: RB = Rack Built-in Battery (depth 440mm); RL = Rack Long-run / External Battery (depth 580mm). All models are 1U (86mm) height for standard 19-inch rack mounting.

5. Certifications & Compliance

The GSS Rack Series is tested against IEC 62040-3 for UPS performance classification, covering output waveform quality, transfer time, and THDu under both linear and non-linear load conditions. Output THDu (≤2% linear, ≤5% non-linear) is measured and reported per IEC 62040-3 test methodology.

6. Interfaces & Optional Accessories

Standard Interfaces

EPO (Emergency Power Off) and RS232 ship as standard on all eight GSS Rack models. EPO provides a hard-wired emergency shutdown input for integration with raised-floor fire suppression systems, data center EPO panels, and rack-level safety interlocks — a common requirement for rack-deployed UPS units that the tower form factor handles differently. RS232 handles local UPS monitoring and graceful shutdown software.

Optional Accessories

• SNMP Card — adds network-addressable UPS monitoring to the rack unit, reporting status, load, battery, and alarms to any DCIM or NMS platform over the existing network infrastructure without a dedicated serial monitoring server.
• AS400 Card — provides compatibility with IBM AS400 / iSeries environments where the UPS must communicate via the AS400 proprietary protocol rather than standard SNMP or RS232.
• USB — USB-based UPS communication for graceful shutdown of servers and NAS devices using standard UPS daemon software (NUT, APC PowerChute equivalent) without requiring a dedicated RS232 adapter.
• RS485 — extends UPS monitoring to Modbus RTU bus topologies, useful for integrating the rack UPS into a building management system or industrial monitoring infrastructure that already runs RS485 wiring through the rack room.
• Air Filter — protects the rack UPS internals from dust accumulation in high-particulate environments such as industrial edge locations, older building server rooms, or any installation without positive-pressure clean-air cooling.