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three phase regulator，purified power supply，JSW stabilizer

precision voltage regulator，ac power supply，series stabilizer

JSW power regulator，three‑phase power supply，purified stabilizer

three‑phase stabilizer，precision power supply，series regulator

JSW voltage stabilizer，ac regulator，purified power unit

series voltage regulator，three‑phase power stabilizer，precision power supply

JSW Three Phases Series Precise Purified Voltage Regulator Power Supply

JSW three phases precision purifying ac automatic voltage regulator is by JJW series single phase ac automatic voltage regulator through the "star" connection. So it owns all the advantages of the single phase voltage regulator, it is perfect product for producing enterprises, scientific research unit , medical equipment, healthy fields, all kinds of test equipment, measurement equipment, electronic instruments, supply widely used in computer, communications, office and other place where need to be regulated power occasion.

product details

Key Features

- LED Digital Display: Clearly shows real-time voltage status (e.g., phase A voltage) for easy monitoring, ensuring safe and stable operation.

- Smart Cooling Fan: Runs at 2000 RPM for rapid heat dissipation, providing over-temperature protection to extend the unit’s lifespan.

- Molded Case Circuit Breaker: Offers essential safety protection, preventing damage to the stabilizer from overload or short circuits.

- Integrated PCB Control Board: Effectively suppresses sine wave interference, ensuring clean, distortion-free output power.

- Terminal Block Interface: Provides secure, organized wiring connections with clear labeling for input, output, and ground, ensuring safe installation.

Technical Specifications

Input Voltage	323V-440V/304V-440V
Output Voltage	380V
Output Deviance	±1%
Frequency	50HZ~60HZ
Efficiency	>92%
Response Time	<50ms
Ambient Temperature	-10℃~+40℃
Insulation Resistance	≥5MΩ
Waveform Distortion	≤5%
Protect	Overvoltage, Overcurrent
Noise	≤50dB

product Display

JSW series three phase precise regulator front

JSW series three phase precise regulator back

Outline & Packing

Model (KVA)	Rated Capacity (KVA)	Weight (kg)	Outline (cm)
JSW-3K	3	55	53×34×76.5
JSW-6K	6	80	54×33×76.5
JSW-9K	9	105	58×35×87
JSW-15K	15	128	58×38.5×90
JSW-20K	20	150	58×38.5×90
JSW-30K	30	180	71.5×43×114.5
JSW-50K	50	240	72×66×117

Internal Structure Analysis

This voltage stabilizer is built with high-quality components for reliable, high-performance operation:

- 30A High-Current Relays: Ensure stable power switching and handling.

- Integrated PCB Control Boards: Manage voltage regulation and protection functions.

- High-Power Reactors: Effectively suppress grid harmonic interference.

- Compact Transformers: Step voltages precisely for accurate regulation.

- 2000 RPM Cooling Fans: Maintain optimal operating temperature.

- AC Contactors: Enable safe and reliable power control.

- Filter Capacitors: Clean up power output, reducing noise and distortion.

Together, these premium components work in harmony to deliver clean, stable power with exceptional reliability and long service life.

Our ServicesCUSTOM ORDER PROCESS

Step 1

Client visits factory & shares project demands.
Step 2

Confirm technical parameters together.
Step 3

Verify display units & confirm order details.
Step 6

Reinforced packing & arrange cargo delivery.
Step 5

Assemble complete sets & perform strict tests.
Step 4

Metal cutting & component production.

FAQ

Q1. Could I have prices of your products?

A: We are glad to offer you competitive factory direct prices. Since most of our high‑voltage and low‑voltage electrical equipment is custom‑made, kindly share your detailed requirements, such as rated parameters, configuration, quantity and project conditions. Our sales team will analyze your request and send you a formal quotation as soon as possible during working hours.
Q2：Can we print our logo / website / company name on products?

A: Yes, OEM and ODM services are fully supported for both high‑voltage and low‑voltage products. We can print your logo, company name and website on cabinet panels, nameplates or packaging boxes. Please provide us with your logo vector file, exact print size and Pantone color code before production. Extra labeling cost will be confirmed based on your actual demands.
Q3：What's the lead time for regular order?

A: Lead time depends on product types, configuration complexity and order quantity. For standard‑model small orders, production takes about 7‑15 working days. For custom complete switchgear sets with special components, the cycle will be 20‑40 working days after receiving your deposit and confirmed technical drawings. We will update production progress regularly for big projects.
Q4: Do you inspect the finished products?

A: Absolutely. Strict quality control runs through the whole manufacturing process. Our QC team performs component incoming check, mid‑process production inspection and full‑function testing for finished cabinets. Every complete set will pass related electrical performance tests before packing and shipment. Test records can be provided for your project reference if needed.