Product Overview:
1. Product Application: The BL-D(YJ) EPS Emergency Power Supply is an auxiliary power supply unit installed within buildings. In the event of fires, accidents, or other emergencies causing a power outage, the emergency power supply can provide backup power to fire signage lights, lighting, and other critical loads. With the improvement of building fire safety standards, particularly the increase in high-rise buildings, centralized emergency power supplies have become an essential fire safety facility for buildings.
2. Installation Methods: Floor-standing, Wall-mounted.
3. Backup Time: 90 minutes, standard model (backup time can be configured according to design requirements).
Specification Range: 0.5KVA - 10KVA
Single-phase input (220V, AC) available:
Wall-Mounted: BL-D(YJ)—0.5KVA, 1KVA, 1.5KVA, 2KVA, 3KVA, 4KVA, 5KVA
Floor-standing Models: BL-D(YJ)—0.5KVA, 1KVA, 1.5KVA, 2KVA, 3KVA, 4KVA, 5KVA, 6KVA, 7KVA, 8KVA, 10KVA
Note: The national standard GB17945-2010 stipulates a backup time of 90 minutes.
Main Parameters:
1. Emergency Power Supply - Automatically provides 220V/50Hz sine wave AC or DC emergency power supply in the event of a power outage or voltage going beyond the specified range, ensuring the normal operation of fire-fighting lamps and other critical loads.
2. High-performance with SPWM high-frequency inverter technology, ensuring high power quality and adaptability to various loads.
3. High Reliability - Utilizing advanced technology and redundant design, with CPU control, meticulously manufactured, stable performance, and high reliability.
4. A comprehensive protection unit featuring excellent output overload protection, short-circuit protection, battery reverse connection protection, over-discharge protection, and other comprehensive protection functions, with strong resistance to misuse.
5. User-friendly interface with an LCD display for the working status, mains voltage, output voltage, battery voltage, current, frequency, load rate, and fault information, all clearly presented. Additionally, it features audio-visual fault alarms, fault indication, and fault mute functions.
6. Simple operation with high automation, easy to handle.
7. High charging capacity – features a high current charger with self-regulating charging technology, fast charging speed, stable floating voltage, and can be connected to an external battery to extend power supply time.
8. The structure is simple—internal functional components are designed in a modular manner, featuring a straightforward structure and easy maintenance.
9. Choose maintenance-free batteries and an intelligent battery monitoring system to enhance battery monitoring, extend battery life, and improve utilization rates.
Product Features:
1. Simple design, easy to construct;
2. Comprehensive cost low, saving investment.
3. Long lifespan, with the main unit lasting over 20 years.
4. Maintenance-free battery, with a lifespan of 300-500 cycles.
5. Simple and automatic management with instant switching, or unattended operation.
6. Maintain stable illumination, reliable operation, and easy maintenance.
Detailed specifications
| Model | BL(YJ)-D | |
| Rated Capacity | 0.5-10KVA | |
| Mains power input | Phase number | Single-phase (L-N+PE) |
| Voltage | 220V±10% | |
| Frequency | 50Hz±5% | |
| Emergency Output | Voltage | 220V/AC±15% |
| Wavy | Sine wave | |
| Waveshape Distortion | THDW3% (at linear load) | |
| Inverter Efficiency | >90% | |
| Overload Capacity | W120% rated current normal operation: >120% rated current, normal output stops after about 5 seconds >120% rated current or load short circuit, output limited for about 1 second then stops | |
| Battery Storage | Type | Sealed Maintenance-Free Lead-Acid Battery |
| Rated Voltage | 48V 192V | |
| Backup Time | 90 minutes (can be customized as per design requirements) | |
| Charging Time | Can be fully charged in 20 hours | |
| Conversion Time | ≤5s | |
| Protect | Emergency state overload protection, output short-circuit protection; battery reverse polarity protection; battery under-voltage protection, etc. | |
| Alarm | Battery under-voltage, battery connection fault, charger malfunction, continuous overload, inverter fault, etc. | |
| Ambient Temperature | -24'C-40'C | |
| Ambient Humidity | W90%RH, Non-condensating | |
| Elevation | <2500m | |
| Noise | No noise during normal AC output; emergency output available≤55dB | |
Cabinet dimensions
| Serial Number | Model | Output Power (KVA) | Battery Voltage (V) | Charging Current (A) | Battery Count (Pieces) | Main Unit Dimensions (mm) Length x Width x Rear | Case Quantity of KAI Battery Cabinet (90 minutes) |
| 1 | BL(YJ)-D-0.5KVA | 0.5 | 48 | 2 | 4 | 300x600X900 | Battery is located inside the main cabinet. |
| 2 | BL(YJ)-D -1KVA | 1 | 48 | 2 | 4 | 300x600X900 | Battery located within the main cabinet |
| 3 | BL(YJ)-D-1.5KVA | 1.5 | 48 | 3 | 4 | 400x600X1200 | Battery is located within the main cabinet |
| 4 | BL(YJ)-D-2KVA | 2 | 48 | 5 | 4 | 400x600X1200 | Battery located within the main cabinet |
| 5 | BL(YJ)-D-3KVA | 3 | 48/192 | 8 | 4/16 | 400x600X1200 | Battery is located within the main cabinet |
| 6 | BL(YJ)-D-4KVA | 4 | 192 | 3/5 | 16 | 400x750X1200 | Battery located within the main cabinet |
| 7 | BL(YJ)-D-5KVA | 5 | 192 | 3/5 | 16 | 600x800X1500 | Battery located within the main cabinet |
| 8 | BL(YJ)-D-6KVA | 6 | 192 | 3/5 | 16 | 600x800X2000 | Battery located within the main cabinet |
| 9 | BL(YJ)-D-7KVA | 7 | 192 | 3/5 | 16 | 600x800X2000 | Battery is located within the main cabinet |
| 10 | BL(YJ)-D-8KVA | 8 | 192 | 5 | 16 | 600x800X2000 | Battery located within the main cabinet |
| 11 | BL(YJ)-D-9KVA | 9 | 192 | 8 | 16 | 600x800X2000 | Battery located within the main cabinet |
| 12 | BL(YJ)-D-10KVA | 10 | 192 | 8 | 16 | 600x800X2200 | Battery is located within the main cabinet |































