Product Details
Company Profile

30kVA Three Phase Online UPS for Industrial & Data Center Applications High-Frequency DSP Control

30kVA Three Phase Online UPS for Industrial & Data Center Applications, High-Frequency DSP Control, Parallel & OEM Available, 30kVA Three Phase Online UPS - Reliable Power Protection for Critical Loads

KEY FEATURES:

• Online double conversion for seamless power

• DSP control for high stability

• PFC with 0.99 input power factor

• Battery configurable (±16 - 20 units)

• 4-unit parallel with shared batteries

• Smart multi-stage charging

• LCD + LED for real-time status

• Maintenance bypass switch

• Supports unbalanced 3-phase loads

• RS-232 & optional SNMP

• Emergency Power Off (EPO)

DESCRIPTIONS:

Our DT33 three phase online high-frequency UPS is designed for industrial facilities, data centers, telecom rooms, financial systems, and mission-critical infrastructure where uninterrupted and stable power is essential.

With advanced DSP digital control technology, high efficiency design, and parallel expansion capability, this UPS system delivers reliable power protection while supporting scalable and cost-effective deployment for commercial and industrial projects.

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

Key Advantages for B2B & Project-Based Buyers:

1. Industrial-Grade Online Double Conversion

True online double-conversion topology
Zero transfer time for sensitive equipment
Stable output voltage and frequency under unstable grid conditions

2. Advanced DSP Control Technology

High-speed digital signal processing
Improved system stability and fast dynamic response
Strong protection against overload, short circuit, and voltage fluctuation

3. Parallel Operation for Scalability

Supports parallel operation (N+X redundancy)
Ideal for capacity expansion or high-availability power systems
Suitable for medium to large power projects

4. High Efficiency & Energy Saving

High-frequency design with efficiency up to 95%
Reduced operating cost and lower heat dissipation
Compatible with generator input

Typical Applications:

This three phase UPS system is widely used in:

Data centers & server rooms
Industrial automation & production lines
Telecom & network infrastructure
Financial institutions & banking systems
Medical equipment & laboratories
Government and public facilities

OEM, ODM & Bulk Supply Capability:

We support OEM / ODM customization and long-term supply cooperation, including:

Custom input/output voltage and frequency
Battery configuration optimization
Logo branding & customized enclosure
Project-based technical support
Stable mass production and export compliance

This makes our UPS an ideal choice for UPS distributors, system integrators, project contractors, and power solution providers.

Why Choose Us as Your UPS Supplier?

20,000㎡ manufacturing facility
500+ engineers and technicians
In-house PCB production and testing
Strict quality control and aging tests
Strong experience in international B2B supply

We focus on long-term partnerships, not one-time transactions.

Get a Quote or Technical Consultation:

If you are sourcing three phase UPS systems for projects, resale, or system integration,
please contact us with your technical requirements or target application.

OEM inquiries, bulk pricing, and project quotations are welcome.

FAQ - Frequently Asked Questions:

Q1: Can I request a UPS sample for evaluation?

A: Yes, sample orders are welcome for testing and evaluation purposes. We also support mixed model samples if needed.

Q2: What is your delivery time?

A: For samples, the lead time is typically 5 - 7 days. Mass production requires approximately 25 working days, depending on order size and customization.

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

A: No strict MOQ is required. We accept orders starting from just one unit for testing or pilot use.

Q4: What shipping methods are available, and how long is the transit time?

A: Shipping options include sea freight, air freight, and express services such as DHL, FedEx, or UPS. Delivery times vary by region and method.

Q5: How can I place an order?

A: 1. Share your requirements or application scenario.

2. We’ll provide a detailed quotation tailored to your needs.

3. After sample approval (if needed), confirm the order and arrange a deposit.

4. Production will begin, with regular updates throughout the process.

Q6: Can I customize the UPS with my logo?

A: Yes, OEM service is available. Please send us your logo files and confirm details prior to production.

Q7: Do you provide a warranty for your UPS systems?

A: Yes, we offer a 3-year limited warranty covering manufacturing defects and performance issues under standard operating conditions.

Product Tags:


*From:	Your email address is incorrect!
*To:	Rsun Power Technology Co.,Ltd
*Subject:	Subject is empty!
*Message:	For the best results, we recommend including the following details: -Self introduction -Required specifications -Inquire about price/MOQ Characters Remaining: (0/3000) Please enter 20 to 3000 characters to contact this supplier!

Categories	3 Phase UPS
Brand Name:	RSUN or OEM service
Model Number:	DT33-30K
Place of Origin:	China
MOQ:	5
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:	30KVA 30KW
Phase:	Three Phases UPS
Power Factor:	0.9 (1 optional)
Frequency Range:	50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz (Battery Mode)
THD:	≤2％（100% linear load），≤4％（nonlinear load）
Efficiency:	Inverter mode ≥95%
Battery:	32; 30 ~ 44(±15~±22)(settable)
Applications:	data center, network management center, etc
Size (mm):	280 x 685 x 725