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The LTH Series is Low Frequency type On Line UPS, also known as Transformer type On Line UPS (Industrial On Line UPS).

The LTH Series provides reliable and stable pure sine wave output power for your critical loads. With advanced technology of Rectifier, IGBT, PWM and CPU control, the LTH Series is highly reliable. Besides, the LTH Series applied true galvanic isolation design to solve the problem of Utility such as noise, lighting, leakage current etc. Furthermore, the LTH Series has individual inverter transformer at output which supports per phase to endure 100% unbalance load.

With its outstanding features, the LTH Series provides safe, reliable and uninterrupted power to your critical electronic equipments at all times.

? Low frequency type UPS (Transformer type UPS).

? True galvanic isolation design.

? Output each phase with inverter transformer.

? With maintenance bypass.

? Multiple communication ports.

? No battery start up function.

? Phase angle shift protection.

? Wrong phase rotation protection.

? Event log record.

? Intelligent battery charger.

? DC start up function.

? Option for 12 pulse rectifier.

Model (LTH-)

3110

3120

3130

3140

3304

3305

3306

3308

3310

3320

Capacity (KVA)

10

20

30

40

50

60

80

100

120

160

Input

Voltage

3 Phase 4 Wire + G, 220/380VAC, 230/400VAC, 240/415VAC

Voltage Range

± 15%

Frequency

50Hz or 60Hz ± 5%

Power Walk-in

0 ~ 100% : 10 seconds

Output

Voltage

3 Phase 4 Wire + G, 220/380VAC, 230/400VAC, 240/415VAC

Frequency

50Hz or 60Hz ± 0.5%

Static Regulation

± 1% at linear load

Dynamic Regulation

<=2% at 50% load unbalance, <=5% at 100% load unbalance

THD Distortion

<=3% at linear load, <=5% at non-linear load

Transient Response

<5ms

Power Factor

0.8

Battery

Voltage

192VDC (12V*16pcs)

348VDC (12V*29pcs)

Charge Current

As customer demand

Float Voltage

216VDC

390VDC

Boost Voltage

227VDC

410VDC

Recharge Time

4 ~ 8 hours 90% after fully discharge

Static Switch

Main <-> Inverter

No break

Indicator

LCD Display

Input / Output Voltage, Input / Output Frequency, Output Loading Status

Battery Status, Event Log

LED Display

Mimic display

Protection

Overload

100% ~124% for 10 minutes, >125% for 1 minute, >150% to bypass

Over Temperature

Yes

Phase Rotation Incorrect

Yes

Phase Angle Shift

Yes

Lighting/EMI Filter

Yes

Environment

Temperature

0C ~ 40C

Humidity

0% ~ 95%, non-condensing

Noise Level

<60dB at 1 meter

<65dB at 1 meter

Communication

Interface Port

RS232, Dry Contact, RS485, Remote Monitor Contacts

RS485-RS232 Adapter (option), Remote Monitor Box (option)

RS232-SNMP Adapter (option)

Dimension

W*H*D(mm)

UPS

650*1550*800

1100*1710*860

Battery

Internal battery

Depends on external battery bank

Net Weight

UPS (No Battery)

350

400

450

500

550

600

650

800

900

1050

Product specification is subject to change without prior notice


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