SC Series Dry-Type Transformer

Attributes Description Documentation Resource Library

Key attributes

Brand	ROCKWILL
Model NO.	SC Series Dry-Type Transformer
Rated capacity	630kVA
Primary voltage	10.5kV
Secondary voltage	0.4kV
Series	SC Series

Description

Overview

Dry-type transformers are versatile medium-voltage power distribution transformers that are essential for applications where safety, environmental concerns, and reliability are paramount. They are commonly used in commercial, industrial, healthcare, and public infrastructure settings, and other special applications. Their ability to operate without liquid coolants makes them ideal for indoor and sensitive environments.

Safe & Eco-friendly: Fireproof, non-polluting, and safe for direct operation at the load center.

Compact Design: Easy to install and service, providing low-noise and long lasting operation.

Enhanced Performance: Advanced heat dissipation with forced air cooling enhancing operational capacity.

Superior Durability: Engineered for both indoor and outdoor applications; minimal maintenance needed due to rugged construction.

Operating condition

Item	Standard Specification
Rated capacity	30kVA ~ 3000kVA
Rated frequency	50Hz / 60Hz
Standard voltage	HV: 6kV, 10kV; LV: 0.4kV
HV tapping	±2×2.5% or ±5% (off-circuit tap change)
Vector group	Dyn11 (main), Yyn0
Cooling method	AN (natural air cooling); AF (forced air cooling, optional)
Insulation class	Class F (standard), Class H (optional)
Temperature rise limit	100K (F class), 125K (H class)
Short-circuit impedance	4% (≤500kVA), 6% (≥630kVA)
Protection degree	IP00 (bare coil), IP20 (indoor cabinet), IP23 (outdoor use)
Working condition	Ambient temp: -5℃ ~ +40℃; Altitude ≤1000m; No condensation & corrosive gas
Partial discharge	≤10pC

Applied Standards

IEC 60076-11
GB/T 1094.11, GB/T 10228-2023
GB 20052

If you need to know about more parameters , Please check the model selection manual.↓↓↓

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