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Three-Phase Dry-Type Distribution Transformer

This three-phase dry-type distribution transformer (models: SCB14, SCB13, SCB12, SCB11, SCB10) uses resin insulation, with a rated capacity of 30-2500kVA and high-voltage levels of 10kV/20kV/35kV. It is flame-retardant, explosion-proof, and maintenance-free, suitable for indoor and densely populated areas like high-rises and subways.

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Flame-Retardant Dry Tx Low-Noise Dry Tx High-Efficiency Dry Tx Smart Dry Transformer Resin-Insulated Dry Tx

Product Advantage

Model description

Technical Parameters

Product Uses

FAQ

1. Flame-Retardant & Explosion-Proof: Epoxy resin encapsulation prevents oil leaks; meets V0 flame-retardant standards, safe for use in shopping malls, hospitals, and data centers. Keywords: resin-insulated dry-type transformer, flame-retardant distribution transformer

2. Forced Air Cooling (FAC) Capacity: Supports 140% rated load operation under FAC, with a temperature rise limit of 120K, adapting to peak power demands. Keywords: forced air cooling transformer, peak load adaptation

3. Low Noise & Environmental Protection: Noise level as low as 57dB (30kVA) to 69dB (2500kVA), complying with urban environmental noise standards; no oil pollution, eco-friendly. Keywords: low-noise dry-type transformer, eco-friendly power equipment

4. Intelligent Monitoring: Equipped with an intelligent controller, supporting RS485 communication for remote temperature monitoring, over-temperature alarm, and trip protection. Keywords: intelligent monitoring transformer, RS485 remote control

5. High Energy Efficiency: SCB14 (Level 2 efficiency) has no-load loss of 130W-2450W; for 1000kVA models, load loss (155℃) is 8130W, saving 15% energy vs. Level 3 models. Keywords: high-efficiency dry-type transformer, Level 2 energy efficiency

干式型号描述

Rated Capacity （kVA）	Voltage Combinations			Connection Group Designator	No-load Loss（W）	Load Loss(W)			No-load Current(%)	Impedance Voltage (%)	Sound Power Level (dB)
	High Voltage(kV)	Tap Range	Low Voltage(kV)			130℃（B）	155℃（F）	180℃（H）
	High Voltage(kV)	Tap Range	Low Voltage(kV)			100℃	120℃	145℃
30	6 6.3 10 10.5 11	±2*2.5 ±5	0.4	Dyn11	170	670	710	760	0.6	4	57
50					240	940	1000	1070	0.6		57
80					330	1290	1380	1480	0.6		58
100					360	1480	1570	1690	0.6		58
125					420	1740	1850	1980	0.6		59
160					480	2000	2130	2280	0.6		59
200					550	2370	2530	2710	0.5		60
250					640	2590	2760	2960	0.5		60
315					790	3270	3470	3730	0.5		62
400					880	3750	3990	4280	0.4		62
500					1040	4590	4880	5230	0.4		63
630					1200	5530	5880	6290	0.4		63
630					1170	5610	5960	6400	0.3	6	63
800					1360	6550	6960	7460	0.3		65
1000					1590	7650	8130	8760	0.3		65
1250					1880	9100	9690	10300	0.25		67
1600					2200	11000	11700	12500	0.25		67
2000					2740	13600	14400	15500	0.2		69
2500					3240	16100	17100	18400	0.2		69
1600					2200	12200	12900	13900	0.25	8	67
2000					2740	15000	15900	17100	0.2		69
2500					3240	17700	18800	20200	0.2		69

Note: Due to the continuous update of the product, there will be some changes in the dimensions and weight ofthe product in the table, please refer to the appearance and size drawings provided at the time of ordering.

1. High-Rise Buildings: Installed in basement electrical rooms, powering elevators, central air conditioning, and household circuits—no oil risk for high-density living.

2. Subways & Rail Transit: Powers subway stations and traction systems, with flame-retardant design adapting to underground enclosed environments.

3. Hospitals & Data Centers: Ensures uninterrupted power for medical equipment and servers, with low noise and stable operation (99.9% availability).

4. Industrial Clean Workshops: Used in electronics, pharmaceutical, and food processing workshops, avoiding oil pollution to clean production environments.

1. Q: Can the transformer operate without forced air cooling?

A: Yes, it runs at 100% rated load under natural cooling; FAC is for 140% peak load.

2. Q: What is the insulation class of the resin?

A: It uses Class F insulation (155℃), with a thermal life of 20,000 hours.

3. Q: Is on-site maintenance required?

A: It is maintenance-free; only clean cooling components quarterly and check wiring annually.

4. Q: Can it be customized for 35kV high voltage?

A: Yes, SCB13/SCB11 models support 35kV high voltage, with customizable tap ranges and loss values.

Three-Phase Dry-Type Distribution Transformer

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