EPS Fire Power Supply, EPS Fire Power Supply Price, EPS Fire Power Supply Suppliers [Shenzhen Nuonai Power Technology Co., Ltd.] 1. Utility Input Circuit (Dual or Single Circuit) 2. Utility Input Phase (Single Phase or Three Phase) 3. Total Load Capacity (Not to Exceed the Total Load Capacity of the Defined EPS Emergency Power Supply) 4. Load Type (Lighting Load, Power Load, or Other Special Mixed Load) 5. Emergency Backup Time (Requirement for EPS Emergency Power Supply Supply Time) 6. Output Branch Number (Requirement for Output Circuits) 7. Requirement for Fire Linkage or Power Monitoring via RS232 Communication Interface 8. Special In/Out Line Positions and Methods, as well as In-Line Hole Dimensions Single-phase EPS Emergency Power Supply Main Technical Parameters YH Series Single-phase EPS Emergency Power Supply: YH1KW to YH10KW Models: YH-0.5KW, YH-1KW, YH-1.5KW, YH/2KW, YH/2.5KW, YH-3KW, YH-4KW, YH-5KW, YH-6KW, YH-7KW, YH-8KW, YH-9KW, YH-10KW Input AC Voltage Single Phase 220V±25% AC Frequency 50±5%Hz Output Voltage Normal voltage is consistent with utility voltage, emergency inverter voltage is 220V±0.5% Frequency (Hz) Normal voltage is consistent with utility voltage, emergency inverter operation frequency is 50HZ±0.5% (Battery Mode) Battery Battery Type BAINK Valve-regulated Lead-acid Maintenance-free Battery Battery Voltage 48VDC, 192VDC, 240VDC Float Charge Voltage 55VDC, 220VDC, 275VDC Switching Time ≤3 ms Output Waveform Inverter emergency in sine wave under battery mode, consistent with utility voltage under normal conditions Overload Capacity Overload 120% for 60s, overload 150% for 5s Emergency Power Supply Time Conventional built-in battery ≥90 minutes or external battery pack can be connected as per user design requirement for backup ≥8 hours Display LED and LCD dual-display system Communication Interface RS232 communication interface, can connect to power monitoring system Noise No noise when utility power is on, <55dB (1m from the machine) when emergency power supply is on