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$29,500.00
| Voltage | WPC | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|---|
| 208/120 Volts | N/A | N/A | 40.5" | 23.13" | 72.44" | 1500 lbs |
| Voltage | 208/120 Volts |
| WPC | N/A |
| Amp/H | N/A |
| Length | 40.5" |
| Width | 23.13" |
| Height | 72.44" |
| Weight | 1500 lbs |
The Staco E3 924 3.5kW Emergency Lighting Converter is a centralized, three-phase emergency lighting inverter system designed to provide clean, regulated backup power for life-safety lighting loads during utility power loss. Built around online double-conversion technology, the E3 924 provides continuous no-break operation, helping protect emergency lighting, LED drivers, fire systems, and other critical connected loads.
This system is designed for facilities that require dependable emergency illumination, including data centers, healthcare facilities, schools, storm shelters, industrial sites, parking decks, mass transit facilities, hotels, casinos, sports arenas, and multi-residential buildings.
| Model | Staco E3 924 / E3U03 |
| Power Rating | 3.5kW / 3.5kVA, unity power factor |
| Topology | Online double conversion with true sine wave output |
| Runtime | 90 minutes at full load |
| Input Voltage Options | 208/120VAC, 3-phase, 4-wire plus ground; 480/277VAC options available |
| Input Voltage Range | +20% / -17% |
| Output Regulation | ±1% static voltage regulation |
| Output Distortion | Less than 2% THD with linear load; less than 4% VTHD at full LED load |
| Battery System | VRLA sealed batteries, 240VDC nominal, 273VDC float |
| Communications | RS-232 / RS-485, dry contacts, MODBUS RTU standard; optional SNMP, MODBUS TCP/IP, and BACnet |
| Display | Front-panel 3″ x 5″ LCD display for status and alarms |
| Enclosure | Freestanding NEMA 1 steel enclosure |
| Dimensions | 72.44″ H x 23.13″ W x 40.5″ D |
| System Weight | Approx. 1,228–1,538 lbs., depending on voltage configuration |
| Listings | UL 924 Emergency Lighting & Power Equipment; UL 924 Auxiliary Lighting & Power Equipment; UL 1778; cUL to CSA C22.2 |
A centralized emergency lighting inverter provides a single point for power connection, battery backup, monitoring, and system management. Compared with scattered individual emergency units, this approach can simplify maintenance, improve testing visibility, and deliver cleaner, more reliable power to critical life-safety lighting loads.
