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EPS Fire Emergency Power Supply — Application Types
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Emergency Lighting Type
Primarily used to provide centralized power supply for emergency lighting fixtures during building fires or emergencies.
⚡
Hybrid Type
Capable of supporting both emergency lighting and mixed loads such as fire pumps and fire elevators.
🔄
Power Inverter Type
Specifically designed for power loads like electric motors, providing a variable-frequency three-phase emergency power system that supports soft motor starts to reduce startup impact.
Technical Features
- 🛡️ High Reliability Incorporates redundant design with forced start, overload operation, and segmented battery management to ensure continuous power supply during emergencies.
- ⚡ Rapid Switchover Switching time between utility power and emergency power typically under 5 seconds (millisecond-level for select models), meeting fire protection systems' demand for instantaneous power supply.
- 🖥️ Intelligent Management Equipped with smart monitoring and alarm functions to track real-time power status and battery health, facilitating timely maintenance and management.
- 🔧 High Adaptability Capable of handling capacitive, inductive, and mixed loads with robust overload capacity and surge resistance, suitable for diverse complex environments.
Application Scenarios
🏢
Building Fire Protection
Provides power support for emergency lighting, fire pumps, fire elevators, fire alarm systems, and other fire protection equipment.
🏥
Medical Facilities
Ensures emergency power supply for critical areas like operating rooms and intensive care units, maintaining uninterrupted medical operations.
🛣️
Public Infrastructure
Provides backup power for road lighting, tunnel illumination, electrical facilities, industrial plants, and mining operations.
🏭
Industrial Production
Delivers standby power to high-demand equipment in chemical, metallurgical, and electronics industries, preventing production halts and equipment damage during outages.
Technical Specifications
| Rated capacity | 16kwh ~ 800kwh | |
| AC Input | Phase | 3 phase 4 wire + PE |
| Voltage | 380V ± 15% | |
| Frequency | 50Hz ± 5% | |
| Emergency Output | Voltage | 380V ± 3% |
| Frequency | 50/60Hz ± 0.5Hz | |
| Wave form | Pure Sine Wave | |
| THD | <5% (0–100% Under linear load) | |
| Inverter Efficiency | >92% | |
| Overload capacity | 120% 35s | |
| Battery | Type | LiFePO4 |
| Voltage | 153 ~ 614 VDC | |
| Standby time | 1 ~ 24H (Design requirements may specify configuration) | |
| Charging time | 1 ~ 24H (Design requirements may specify configuration) | |
| Conversion time | <0.5s | |
| Protection | Emergency state overload protection, output open-circuit/short-circuit protection; battery under-voltage protection | |
| Alert | Battery under-voltage, battery connection failure, charger malfunction, sustained overload, inverter failure, etc. | |
| Ambient temperature | -20 ~ 55°C | |
| Humidity | <90% RH, non-condensing | |
| Altitude | <2000m | |
| Noise | No noise during mains power output; Emergency output mode <55dB | |
| Communications | RS485 / CAN (Optional) | |
Frequently Asked Questions
What is an EPS fire emergency power supply and how does it differ from a UPS?
An EPS (Emergency Power Supply) is specifically designed to provide backup power for fire protection and life-safety systems such as emergency lighting, fire pumps, and fire elevators during a power outage or fire event. Unlike a UPS, which focuses on zero-interruption power continuity for sensitive electronics, an EPS is optimized for higher-power loads with a switchover time typically under 0.5 seconds, making it ideal for fire safety applications.
How long can the EPS fire emergency power supply provide backup power?
The standby time of the EPS system is configurable based on project design requirements, ranging from 1 hour to 24 hours. The LiFePO4 battery capacity can be scaled from 16kWh up to 800kWh to meet different building and industrial application needs.
What types of loads can the EPS system support?
The EPS fire emergency power supply supports a wide range of load types including capacitive, inductive, and mixed loads. Depending on the model type — Emergency Lighting, Hybrid, or Power Inverter — it can power emergency lighting fixtures, fire pumps, fire elevators, electric motors, and other critical equipment.
What battery technology is used, and what are its advantages?
The EPS system uses LiFePO4 (Lithium Iron Phosphate) batteries, which offer superior thermal stability, longer cycle life, and higher safety compared to traditional lead-acid batteries. The battery voltage range is 153V to 614VDC, and the system includes battery under-voltage protection and intelligent battery health monitoring.
Is the EPS system suitable for outdoor or harsh environment installations?
Yes. The EPS fire emergency power supply is designed to operate in ambient temperatures ranging from -20°C to 55°C, humidity up to 90% RH (non-condensing), and altitudes up to 2,000 meters. This makes it suitable for a wide range of environments including industrial plants, tunnels, mining operations, and outdoor infrastructure.
What communication interfaces does the EPS system support for remote monitoring?
The EPS system supports RS485 and CAN communication interfaces (optional), enabling integration with building management systems (BMS) or fire control centers. The built-in intelligent monitoring module provides real-time alerts for conditions such as battery under-voltage, charger malfunction, inverter failure, and sustained overload.