SBK-500KVA Three-Phase Dry-Type Isolation Transformer
Product Overview The SBK series dry-type isolation transformer is designed with high-quality materials and advanced manufacturing technology. Rated between 500VA and 3000KVA, it is ideal for AC power systems (50/60Hz) with input/output voltage bel……
Product Overview
The SBK series dry-type isolation transformer is designed with high-quality materials and advanced manufacturing technology. Rated between 500VA and 3000KVA, it is ideal for AC power systems (50/60Hz) with input/output voltage below 1200V.
Technical Specifications
Rated Capacity: 500KVA (customizable from 1KVA to 3000KVA)
Input Voltage: 380V (customizable)
Output Voltage: 400V (customizable)
Voltage Accuracy: ±1%
Efficiency: ≥98%
Insulation Class: F (optional H, HC)
Wiring Configurations: Y/Y, Y/△, △/Y, △/△
Dielectric Strength: 3000V/1min, no breakdown
Frequency: 50Hz / 60Hz
Cooling Method: Natural air cooling (dry type)
Key Features
High electrical isolation and noise suppression
Supports multiple wiring and voltage transformation modes
High insulation level, safe and durable
Low losses, energy-efficient design
Compact size with modern appearance
Optional protective enclosure with voltage/current meters and alarm system
Application Scenarios
This transformer is widely used in metro systems, tunnels, airports, high-rise buildings, CNC machinery, docks, factories, and imported equipment power supply systems.
Integration with Voltage Stabilizers
On the Input Side (△/Y Configuration)
Eliminates third harmonics and electromagnetic interference
Establishes a new neutral line for improved stability
Prevents power grid pollution caused by nonlinear loads
On the Output Side (Y/△ Configuration)
Isolates harmonic feedback and improves power quality
Enhances control signal accuracy for stable voltage regulation
Improves performance under unbalanced load conditions
Ordering Guide
Please confirm the following details when placing your order:
1. Model, capacity, and quantity of the transformer
2. Primary and secondary voltage specifications
3. Special requirements (e.g., wiring method, enclosure, meters, alarms)
