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45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals Nema 3r Electrical Enclosure

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals Nema 3r Electrical Enclosure

Brand Name: WINLEY
Model Number: SG-30KVA
MOQ: 1unit
Price: $500~$60000/Unit
Packaging Details: Plywood case
Payment Terms: T/T
Detail Information
Place of Origin:
CHINA
Certification:
ISO,CE,UL/cUL
Model:
SG-30KV
Phase:
Three Phase
Rated Power:
30KVA
Primary Voltage:
400Y/231V With 2x2.5% FCAN,4x2.5% FCBN Taps
Secondary Voltage:
208Y/120V
Insulation Class:
C
Temperature Rise:
<150℃
Frequency:
50/60Hz
Supply Ability:
1000units/month
Product Description

30kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals Nema 3r Electrical Enclosure

 

 

Overview

 

The SG-30KVA Three-phase Dry-type Transformer is a reliable, compact, and efficient power transformer designed for commercial and industrial applications. Built with aluminum windings and an air-cooled design, this transformer provides stable three-phase power conversion with excellent electrical insulation and safety performance. It is optimized for indoor installations where fire safety, low maintenance, and high reliability are required.

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 0

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 1  45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 2

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 3

 

Key Specifications

 

  • Model: SG-30KVA
  • Name: Three-phase Dry-type Transformer
  • Rated Power: 45 KVA
  • Phase: Three
  • Frequency: 50/60 Hz
  • Winding Material: Aluminum
  • Cooling Method: Air cooling (dry-type)
  • Insulation Class: Class C
  • Temperature Rise: < 150°C
  • Electrical Ratings
  • Input (Primary) Voltage: 400Y/231 V
  • Tap changer configuration: 2 × 2.5% (FCAN), 4 × 2.5% (FCBN)
  • Input (Primary) Current: 43.3 A
  • Output (Secondary) Voltage: 208Y/120 V
  • Output (Secondary) Current: 83.2 A
  • Protection, Testing & Insulation
  • Withstand Voltage Test (60 seconds):
  • Primary to Secondary: 2500 V / 60 s
  • Primary to Grounding: 2500 V / 60 s
  • Secondary to Grounding: 2500 V / 60 s
  • Insulation Resistance:
  • Primary to Secondary: > 100 MΩ
  • Primary to Grounding: > 100 MΩ
  • Secondary to Grounding: > 100 MΩ
  • Induced Withstand Voltage: 125 Hz / double voltage / 1 min (as specified)
  • Grounding Resistance: withstands 25 A with grounding resistance < 100 mΩ

 

Technical drawings

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 4

 

Features & Benefits

 

  • Safe and Fire-resistant: Dry-type construction eliminates oil, reducing fire risk and environmental hazards.
  • High Insulation & Dielectric Strength: Tested for high withstand voltage and high insulation resistance to ensure long-term reliability.
  • Tap Changer Flexibility: Multiple taps (2×2.5% and 4×2.5%) allow for voltage adjustment to compensate for system variations.
  • Low Maintenance: Air cooling and aluminum windings reduce maintenance requirements and operating costs.
  • Wide Frequency Compatibility: Supports both 50 Hz and 60 Hz systems for global applicability.

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 5

 

Typical Applications

 

  • Commercial buildings and office complexes
  • Industrial plants and manufacturing facilities
  • Data centers and telecommunications sites
  • Hospitals and educational institutions
  • Any indoor installations requiring dependable, low-maintenance three-phase power transformation

 

Specification 

 

Model
(kva)
Primary Voltage Secondary Voltage Coupling group tab Shape dimension Mounting dimension   K*J The box dimension
Bmax Dmax±5 Emax A C±5 Bmax Dmax±5 Emax
SG-10KVA 660
400
380
200
380
220
110
36
Yyn0
Y/d
D/y
D/d
360 180 305 215 140 10*20 450 360 480
SG-15KVA 360 200 335 215 155 10*20 450 360 480
SG-20KVA 420 210 350 250 170 10*20 490 400 540
SG-30KVA 420 230 380 250 190 10*20 490 400 540
SG-50KVA 680 350 550 420 220 10*20 800 510 840
SG-80KVA 750 400 620 480 250 10*20 850 510 840
SG-100KVA 780 420 650 500 250 10*20 900 550 890
SG-300KVA 180 95 185 100 75 6*14      
SG-500KVA 180 95 185 100 75 6*14      
SG-1000KVA 180 110 185 100 90 6*14      
SG-2000KVA 230 125 205 130 100 9*16      
SG-3000KVA 240 145 215 130 120 9*16      
SG-4000KVA 240 155 235 130 130 9*16      
SG-5000KVA 320 160 255 180 115 10*20 400 330 480
SG-6000KVA 300 165 280 180 140 10*20 400 330 480


Production process
 
 
45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 6
 
45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 7
45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 8

FAQ

 

1. Q: Can I have a sample order?

A: Yes, we welcome sample order to test and check quality.

2. Q: What is the lead time?

A: Sample time 3-7 days, we usually ship by DHL, UPS, FedEx,etc. Mass production time 7-25 days.

3. Q: How long is the warranty?

A: 24 monthes from B/L. If there are any accessory problems,just provide the photos of damaged accessory,then we will provide free service. According to the number of products,we will provide easily damaged accessories for free. we also can provide technical support if you need.

4. Q: Is OEM/ODM available?

A: Yes,it is! We are manufacturer with our own R&D team, we can customize products according to customer's drawing or requirements.

Customized services:

a. Customized color and special function.

b. Customized box.

c. Print customer's logo(MOQ:≥10pcs).

d. Your other ideas about product, we can help you design and put them into production. The above customized services must be confirmed before production.

5. Q: How to control the products quality?

A: Our company owns the core technology ,all kinds of products hold CE certificate. We have professional engineers. Workers are strictly required to make products according to the drawings. Each process has technical instructors.The QC supervisors will regularly inspect the production. We will do products performance tests during production, and comprehensive quality tests when the products is completed.

Good price  online

Products Details

Home > Products >
Three Phase Dry Type Transformer
>
45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals Nema 3r Electrical Enclosure

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals Nema 3r Electrical Enclosure

Brand Name: WINLEY
Model Number: SG-30KVA
MOQ: 1unit
Price: $500~$60000/Unit
Packaging Details: Plywood case
Payment Terms: T/T
Detail Information
Place of Origin:
CHINA
Brand Name:
WINLEY
Certification:
ISO,CE,UL/cUL
Model Number:
SG-30KVA
Model:
SG-30KV
Phase:
Three Phase
Rated Power:
30KVA
Primary Voltage:
400Y/231V With 2x2.5% FCAN,4x2.5% FCBN Taps
Secondary Voltage:
208Y/120V
Insulation Class:
C
Temperature Rise:
<150℃
Frequency:
50/60Hz
Minimum Order Quantity:
1unit
Price:
$500~$60000/Unit
Packaging Details:
Plywood case
Delivery Time:
10-15days
Payment Terms:
T/T
Supply Ability:
1000units/month
Product Description

30kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals Nema 3r Electrical Enclosure

 

 

Overview

 

The SG-30KVA Three-phase Dry-type Transformer is a reliable, compact, and efficient power transformer designed for commercial and industrial applications. Built with aluminum windings and an air-cooled design, this transformer provides stable three-phase power conversion with excellent electrical insulation and safety performance. It is optimized for indoor installations where fire safety, low maintenance, and high reliability are required.

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 0

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 1  45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 2

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 3

 

Key Specifications

 

  • Model: SG-30KVA
  • Name: Three-phase Dry-type Transformer
  • Rated Power: 45 KVA
  • Phase: Three
  • Frequency: 50/60 Hz
  • Winding Material: Aluminum
  • Cooling Method: Air cooling (dry-type)
  • Insulation Class: Class C
  • Temperature Rise: < 150°C
  • Electrical Ratings
  • Input (Primary) Voltage: 400Y/231 V
  • Tap changer configuration: 2 × 2.5% (FCAN), 4 × 2.5% (FCBN)
  • Input (Primary) Current: 43.3 A
  • Output (Secondary) Voltage: 208Y/120 V
  • Output (Secondary) Current: 83.2 A
  • Protection, Testing & Insulation
  • Withstand Voltage Test (60 seconds):
  • Primary to Secondary: 2500 V / 60 s
  • Primary to Grounding: 2500 V / 60 s
  • Secondary to Grounding: 2500 V / 60 s
  • Insulation Resistance:
  • Primary to Secondary: > 100 MΩ
  • Primary to Grounding: > 100 MΩ
  • Secondary to Grounding: > 100 MΩ
  • Induced Withstand Voltage: 125 Hz / double voltage / 1 min (as specified)
  • Grounding Resistance: withstands 25 A with grounding resistance < 100 mΩ

 

Technical drawings

 

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 4

 

Features & Benefits

 

  • Safe and Fire-resistant: Dry-type construction eliminates oil, reducing fire risk and environmental hazards.
  • High Insulation & Dielectric Strength: Tested for high withstand voltage and high insulation resistance to ensure long-term reliability.
  • Tap Changer Flexibility: Multiple taps (2×2.5% and 4×2.5%) allow for voltage adjustment to compensate for system variations.
  • Low Maintenance: Air cooling and aluminum windings reduce maintenance requirements and operating costs.
  • Wide Frequency Compatibility: Supports both 50 Hz and 60 Hz systems for global applicability.

45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 5

 

Typical Applications

 

  • Commercial buildings and office complexes
  • Industrial plants and manufacturing facilities
  • Data centers and telecommunications sites
  • Hospitals and educational institutions
  • Any indoor installations requiring dependable, low-maintenance three-phase power transformation

 

Specification 

 

Model
(kva)
Primary Voltage Secondary Voltage Coupling group tab Shape dimension Mounting dimension   K*J The box dimension
Bmax Dmax±5 Emax A C±5 Bmax Dmax±5 Emax
SG-10KVA 660
400
380
200
380
220
110
36
Yyn0
Y/d
D/y
D/d
360 180 305 215 140 10*20 450 360 480
SG-15KVA 360 200 335 215 155 10*20 450 360 480
SG-20KVA 420 210 350 250 170 10*20 490 400 540
SG-30KVA 420 230 380 250 190 10*20 490 400 540
SG-50KVA 680 350 550 420 220 10*20 800 510 840
SG-80KVA 750 400 620 480 250 10*20 850 510 840
SG-100KVA 780 420 650 500 250 10*20 900 550 890
SG-300KVA 180 95 185 100 75 6*14      
SG-500KVA 180 95 185 100 75 6*14      
SG-1000KVA 180 110 185 100 90 6*14      
SG-2000KVA 230 125 205 130 100 9*16      
SG-3000KVA 240 145 215 130 120 9*16      
SG-4000KVA 240 155 235 130 130 9*16      
SG-5000KVA 320 160 255 180 115 10*20 400 330 480
SG-6000KVA 300 165 280 180 140 10*20 400 330 480


Production process
 
 
45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 6
 
45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 7
45kva Three Phase Dry Type Transformer Distribution Low Voltage Multi-Tap 400v To 208v Mechanical Terminals  Nema 3r Electrical Enclosure 8

FAQ

 

1. Q: Can I have a sample order?

A: Yes, we welcome sample order to test and check quality.

2. Q: What is the lead time?

A: Sample time 3-7 days, we usually ship by DHL, UPS, FedEx,etc. Mass production time 7-25 days.

3. Q: How long is the warranty?

A: 24 monthes from B/L. If there are any accessory problems,just provide the photos of damaged accessory,then we will provide free service. According to the number of products,we will provide easily damaged accessories for free. we also can provide technical support if you need.

4. Q: Is OEM/ODM available?

A: Yes,it is! We are manufacturer with our own R&D team, we can customize products according to customer's drawing or requirements.

Customized services:

a. Customized color and special function.

b. Customized box.

c. Print customer's logo(MOQ:≥10pcs).

d. Your other ideas about product, we can help you design and put them into production. The above customized services must be confirmed before production.

5. Q: How to control the products quality?

A: Our company owns the core technology ,all kinds of products hold CE certificate. We have professional engineers. Workers are strictly required to make products according to the drawings. Each process has technical instructors.The QC supervisors will regularly inspect the production. We will do products performance tests during production, and comprehensive quality tests when the products is completed.