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40kva Three Phase UPS Systems DSP Control 40KW Online Double Conversion UPS

Three Phase UPS Systems 40kva Online UPS 40KW DSP Control Online double conversion UPS

KEY FEATURES:

• Online double-conversion for continuous power

• DSP-based control for high system stability

• High input PF (up to 0.99) with PFC technology

• Adjustable battery config (±16 - 20 units)

• Parallel-ready design (up to 4 units, shared battery)

• Smart multi-stage charging management

• Dual LCD / LED interface for clear status display

• Built-in maintenance bypass for live servicing

• Supports unbalanced 3-phase output

• RS-232 standard, SNMP optional

• Equipped with EPO for emergency shutdown

DESCRIPTIONS:

The RSUN DT33 Series is a high-performance online UPS with true double-conversion and three-phase input/output, engineered for critical high-power applications. With integrated PFC, it delivers up to 0.99 input power factor, enhancing energy efficiency and reducing upstream load impact.

Its compact, high-density design saves space, while advanced digital control ensures precise operation, strong fault tolerance, and intelligent self-diagnostics.

The DT33 reliably protects sensitive equipment from power disturbances such as surges, sags, transients, harmonics, and frequency instability guaranteeing stable, clean power for demanding environments.

SPECIFICATIONS:

Model

DT33-10K

DT33-20K

DT33-30K

DT33-40K

DT33-50K

DT33-60K

DT33-80K

DT33-100K

DT33-120K

DT33-160K

DT33-200K

Capacity

10kVA

20kVA

30kVA

40kVA

50kVA

60kVA

80kVA

100kVA

120kVA

160kVA

200kVA

Input

Rated Voltage

380Vac (3 phase+N)

Voltage Range

304Vac ～ 478Vac (line voltage) full load； 304Vac ～ 228Vac (line voltage) load derated linearly from100% to 80%

Frequency Range

40Hz ~ 70 Hz

Power Factor

≥ 0.99@100% load；≥ 0.98@50% load

THDi

＜3％ (100% linear load) ; ＜5％ (100%nonlinear load)

Output

Output Voltage

380/400/415Vac (3phase+N)；

Voltage Accuracy

±1％@balanced load；±5％@unbalanced

THDu

≤2％ (100% linear load)；≤4％ (nonlinear load)

Power Factor

0.9 (1 optional)

Frequency Range

±2Hz(settable)；±0.5Hz,±1Hz,±3Hz(settable) (Synchronizing Range)

Frequency Range

50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz (Battery Mode)

Overload

＜ 105％, long run; ＜ 110％, 60 min; 110～125％ rated load, load 10 min; ＞125～150％ rated load, load1 min; ＞150％, 200ms

Crest Factor

3:1 (maximum)

Switching Time

0 ms (Main power Battery)

1 ms (phase lock failure, <2ms interrupt occurs) (Inverter Bypass)

< 2 ms (Inverter ECO)

Efficiency

Inverter Mode

≥95%

ECO Mode

≥99%

Battery

Number

Long backup

32; 30 ~ 44(±15~±22)(settable)

Standard backup

(30~60)x7AH/9AH

(60~80)x7AH/9AH

Charging Current

Capacity* 15%/N/12(N=±15-22)

Charging Voltage

± 13.65Vdc * N ± 1%(N=±15-22)

Physical

Long backup

Size (mm)

280 x 685 x 725

425 x 780 x 1200

600 x 800 x 1600

600 x 960
x 1600

600 x 1010
x 2000

Net Weight(kg)

108

230

310

360

460

Standard backup

Size WxDxH(mm)

400 x 685 x 1000

425 x 780 x 1580

Net Weight(kg)

62 (w/o battery)

135 (w/o battery)

Environment

Working Temperature

0 ~ 40°C battery life will be shorten when temperature > 25°C

Relative Humidity

0~95% no condensation

Altitude

1000 meters no derate, ＞ 1000 meters derating 1% for every 100 meters rise

Noise

≤ 60dB (A)@ 1 meter

Management

Intelligent RS232/RS485

Support Windows® 2000/2003/XP/Vista/2008,Windows® 7/8/10,Linux and MAC

Optional

SNMP / Dry contact

Application Fields:

• Data & IT

Data centers, cloud nodes, NOCs, server rooms

• Industry & Manufacturing

Automation systems, production lines, industrial IoT

• Energy & Utilities

Substations, renewables, grid control, oil & gas sites

• Telecom

Base stations, switching hubs, ISP infrastructure

• Finance

Core banking, trading systems, ATM networks

• Transportation

Airports, rail systems, traffic control, logistics

• Government & Public Services

Emergency systems, public safety, admin IT facilities

FAQ - Frequently Asked Questions:

Q1: Can I place a sample order for the UPS?

A: Absolutely. We encourage sample orders for evaluation and quality verification. Mixed model samples are also accepted.

Q2: What is the typical lead time for orders?

A: Sample orders usually require 5 - 7 days to prepare. Mass production typically takes around 25 working days, depending on order specifics.

Q3: Is there a minimum order quantity (MOQ)?

A: We offer a low MOQ policy. Orders as small as one unit are welcomed for sample testing.

Q4: What shipping methods do you offer and how long does delivery take?

A: We ship via sea freight, DHL, FedEx, and other reliable carriers. Delivery times depend on destination and shipping method chosen.

Q5: What is the ordering process?

A: 1. Share your technical requirements or application details with us.

2. We provide a tailored quotation based on your needs.

3. Upon sample approval (if applicable), confirm your order and pay the deposit.

4. We commence production and keep you updated throughout.

Q6: Can I have my logo printed on the UPS?

A: Yes, OEM branding is available. Please provide your logo and confirm the details before production starts.

Q7: Do you provide warranty coverage?

A: Yes, all products come with a standard 3-year warranty covering manufacturing defects and performance issues under normal use.

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Categories	3 Phase UPS
Brand Name:	RSUN or OEM service
Model Number:	DT33-40K
Place of Origin:	China
MOQ:	3
Price:	Negotiation
Payment Terms:	L/C,T/T
Supply Ability:	10,000PCS per month
Delivery Time:	25 working days
Packaging Details:	Wooden box
UPS Type:	3 Phase UPS
Capacity:	40KVA 40KW
Rated Voltage:	380Vac (3 phase+N)
Output Voltage:	380/400/415Vac (3phase+N)
Frequency Range:	50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz (Battery Mode)
Crest Factor:	3:1 (maximum)
Efficiency:	Inverter mode ≥95%, ECO Mode ≥99%
Battery:	32; 30 ~ 44(±15~±22)(settable)
Switching Time:	0 ms (Main power Battery)