Product Details
Company Profile

20KVA Online 3 Phase Uninterruptible Power Supply UPS For Medium Scale Data Centre

UPS 20kw Three Phase Online Ups 10k / 15k / 20k For Medium Scale Data Centre UPS 20KVA

KEY FEATURES:

• Double-conversion true online UPS
• Advanced DSP for precise control
• PFC-enabled, input PF up to 0.99
• Battery configuration: ±16 - 20 units
• Parallel operation (up to 4 units) with shared batteries
• Smart multi-stage charging management
• Dual interface: LED + LCD
• Built-in maintenance bypass
• Tolerates 3-phase load imbalance
• RS-232 standard; SNMP optional
• Emergency Power Off (EPO) included

DESCRIPTIONS:

The RSUN DT33 Series is a high-performance, three-phase online double-conversion UPS engineered for demanding power environments. With advanced PFC technology, it achieves up to 0.99 input power factor, reducing upstream stress and enhancing energy efficiency.

Its compact design delivers high power density, ideal for space-constrained sites. Equipped with DSP-based control, it ensures precise system management, self-diagnostics, and fault protection.

The DT33 safeguards mission-critical systems against voltage fluctuations, surges, transients, harmonics, and frequency instability, delivering consistent, clean power without interruption.

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 Scenarios:

• IT & Data: Data halls, edge computing, cloud clusters, NOC facilities

• Telecom: Mobile networks, core switching, signal relay, ISP nodes

• Finance: Transaction systems, ATM networks, banking datacenters

• Transport: Air traffic control, rail ops, logistics terminals

• Government: Public safety networks, emergency comms, e-Gov systems

• Industrial: Smart factories, robotics, PLC & SCADA systems

• Energy: Grid control, renewables, oil & gas instrumentation

FAQ (Frequently Asked Questions):

Q1: Can I request a sample unit of the UPS?
A: Absolutely. We support sample orders for testing and evaluation purposes. You may also request a mix of models if needed.

Q2: What’s the typical lead time for orders?
A: Samples are ready within 5 - 7 days. For bulk production, standard lead time is around 25 working days, depending on quantity.

Q3: Is there a minimum order quantity (MOQ)?
A: No strict MOQ. Even a single unit can be ordered for sample validation.

Q4: What shipping options do you offer, and how long does delivery take?
A: We ship via sea freight, air cargo, and express couriers such as DHL or FedEx. Delivery times vary by destination and method.

Q5: What is the ordering process?
A: Simply share your requirements or intended application. We’ll provide a tailored quotation. Upon sample confirmation and deposit, we proceed with production.

Q6: Can I customize the UPS with my company logo?
A: Yes. Logo branding is available, please inform us during the initial order process for proper arrangement.

Q7: Do your UPS systems come with a warranty?
A: Yes, all products include a 3-year limited warranty covering manufacturing defects and hardware performance.

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:	DT33-20K
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:	20KVA 20KW
Output Voltage:	380/400/415Vac (3phase+N)
Frequency Range:	50 Hz ± 0.1 Hz or 60Hz ± 0.1 Hz (Battery Mode)
Efficiency:	Inverter mode ≥95%, ECO Mode ≥99%
Battery:	32; 30 ~ 44(±15~±22)(settable)
Overload:	＜ 105％ long run, ＜ 110％, 60 min
Size:	280 x 685 x 725mm
Weight:	45KG