Microprocessor Control Guarantees High Reliability Comprehensive Self-Protection Design Audible Alarm Mute Cold Start Function Auto Self-Testing System while Turning On UPS Wide Input Voltage Range Maintenance Bypass Switch for 6K/ 10K N+X Parallel Redundancy and Capacity Expansion for 6K/ 10K Product Series: CASTLE Model: B1K | B2K | B3K Rated Power: VA/W 1kVA/0. 7kW | 2kVA/1. 4kW | 3kVA/2. 1kW Input: Nominal Voltage: 220VAC Voltage Range: 115 ~ 300VAC Frequency Range: 46~54Hz(default), user adjustable within 40~60Hz Power Factor: 0. 97 Connection: IEC320-10A inlet IEC320-16A inlet Output: Voltage 220VAC 2% Frequency: 46~54Hz or 50Hz 0. 2Hz (Line mode) 50Hz +- 0. 2Hz ( Battery mode) Waveform: Sine Wave Distortion: 3% | 4% Overload Capability: 108%~150% for 30 sec., 150% for 300 ms Current Crest Ratio: 3: 1 Connections: IEC320*4 | IEC320*6 | IEC320*3 and Terminal Block Battery Type: Sealed, Maintenance free, Lead-Acid (Panasonic) Quantity: 3 pieces | 8 pieces | 8 pieces Back-up Time (Full load): 5 min | 9 min | 5 min Recharge Time: 5 hrs to 90% of capacity after full load discharge Bypass: Automatic Transfer On overload and UPS failure Before UPS Power-on: Default "NO", user adjustable to "YES" Voltage Range: 80~264VAC (Default), user adjustable within 80~286VAC Transfer Time: 0 ms; Less than 4 ms from inverter to bypass and vice versa LCD Indicators: Status Load level / Battery level, Battery, Utility Power, Inverter, Bypass, Overload, Fault Audible Alarm: Bypass, On battery mode, Battery low, Overload, Fault Acoustic Noise: At 1 meter distance 45 dBA 50 dBA Communications: DB-9 Port RS-232 Serial Interface Intelligent Slot: Options: WebPower, AS400 Card or WinPower CMC Network Surge Protection: RJ45 I/O port available for network or Fax/Modem Environmental: Operating Temperature: 0 ~ 40º C Operating Humidity: 20 ~ 90% non-condensing Weight: Net (Kg) 13 31. 5 32 Dimensions: W x D x H (mm) 145 x 400 x 220 192 x 460 x 348