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GL31 10-40KVA

Embedded with isolation transformer, it will eliminates common mode noise and the need to install expensive dedicated circuits. GL 31 series Low Frequency UPS provides reliable galvanically isolated power to critical equipment. GL 31 series integrates DSP technology and isolation transformer design to easily adapt to all kinds of diverse and complicated loads, such as heavy duty equipment and half-wave loads. Unique ventilation and fully coating PCBAs allow GL 31 series Low Frequency UPS to operate under harsh enviroment for long time

  • True online double conversion with DSP control

  • Robust electrical performance to prevent damage from top and bottom connections

  • Screwless cabinet design and fully coating PCBAs to withstand harsh environment

  • Unique ventilation design for effective heat dissipation

  • Accepts dual-mains inputs

  • High short-circuit and overload capabilities

  • Easy integration into existing electrical networks or generator

  • Parallel capability up to 4 units

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MODEL
GL31-10KL
GL31-15KL
GL31-20KL
GL31-25KL
GL31-30KL
GL31-40KL
CAPACITY10KVA/8KW15KVA/12KW20KVA/16KW25KVA/20KW30KVA/24KW40KVA/32KW
INPUT
Nominal Voltage3 x 380VAC (3Ph + G or 3Ph + N + G)
Acceptable Voltage Range304VAC ~ 456VAC
Frequency50Hz ±5 Hz (±10%)
OUTPUT
Nominal Voltage220VAC/230VAC/240VAC (Selectable)
Connection TypeHardwire 3-wire (1Ph+N+G)
Wave FormPure Sine Wave
Output Voltage StabilitySteady state ±1%
Transient state ±5%
Frequency50 Hz
Frequency Stability± 1%
Frequency Synchronisation Range± 5Hz (Equal to bypass working range)
Frequency Synchronisation Speed1~2 Hz/s
Power Factor0.8
Crest Factor3:1
Total Harmonic Distortion (THDv)<2% (Linear Load)
<4% (Non-linear Load)
Dynamic in-rush Voltage Range0%->100%->0% (R Load) <±5%；20%->100%->20% (R Load) ±3%
Dynamic Recovery Time (III Grade)0%~100% RCD load：<60 ms recover to 90% of nominal voltage
Transfer Time0 ms
Overload Capability0% ~ 110% continuous running; 110% ~ 150% for 10 min~1 min; >160% for 200ms
Short-circuit Capability60~100ms
Transient Response Time< 5ms
BYPASS
Connection TypeHardwire 3-wire (1Ph+N+G)
Input Voltage Range220VAC ± 25%
Overload Capability1.5 In~1.8 In   1h~30s
Short-circuit Capability1.8 In ~ >2.0 In   30s~200ms
SYSTEM
Efficiency (@ linear load and 270VDC)84%84%87%87%90%90%
ECO Mode (Non-parallel models)Yes
EPO FunctionYes
StandardIEC 61000-4-5 Protection surge, IEC 62040-2 EMC/EMI, IEC62040-1 Safety
BATTERY & RECTIFIER
RectifierType6 pulse
Rated output voltage220 VDC (optional 384VDC, please check sales)
Charger voltage220VDC ~ 270VDC (Adjustable)
Charging current(max)20A25A303040A40A
BatteryTypeSupport VRLA Battery
Numbers16 pcs ( 16 ~ 18 pcs adjustable)
Reverse DiodeYes
Cold StartYes
PHYSICAL
IP ProtectionIP20 (Default), IP21/IP31 (Option)
Dimensions, D x W x H(mm)570 x 450 x 900750 x 450 x 1015
Net Weight (Kgs)125135200240280310
ENVIRONMENT
Operating Temperature0~ 40°C continuous running, 45°C derating to 85% with linear load
Humidity0~90%  (non-condensing)
Noise LevelLess than 70dB @ 1 Meter
MANAGEMENT
Modbus RS-232/RS485Supports Windows® 2000/2003/XP/Vista/2008/7/8/10, Linux and MAC
Dry Contacts 6 outputs and 2 inputs
Optional SNMPPower management from SNMP manager and web browser
* Product specifications are subject to change without further notice

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