Phasetronics 36P1-4850-B SCR Power Controller Exciter Phase Proportioning Supply
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📋 Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 36P1-4850-B |
| Function | SCR Power Control for Exciter Supply |
| Input Voltage | 480 V AC, three‑phase |
| Output Current | Up to 500 A |
| Control Type | Phase angle firing |
| Control Input Signal | 4–20 mA or 0–10 V DC |
| Response Time | < 1 ms |
| Operating Temperature | –20 °C to 60 °C |
| Humidity Range | 5%–90% non‑condensing |
| Cooling | Forced air with built‑in fan |
| Mounting | DIN‑rail or panel mount |
| Protection | Overcurrent, overvoltage, short‑circuit |
⚙️ Product Overview
The Phasetronics 36P1-4850-B board is a solid‑state controller made to feed turbine or generator exciters. It uses SCR devices to adjust power in small steps. This lets the exciter hold stable voltage under changing loads. The unit works on three‑phase 480 V input and gives up to 500 A output. It talks to the plant control system by simple current or voltage signals. The board fits in a standard panel or on a rail. It has a fan built in to keep parts cool. It has a metal case that keeps dust and dirt out. It has status lights that show power and faults. It is made to run every day with little care.
🔧 Key Features
First, the board handles power with high speed. It can change firing angle in less than 1 ms. This helps keep exciter voltage steady when load jumps. Next, the control input can be either 4–20 mA or 0–10 V DC. This makes it fit most control systems without extra parts. Then, it has built‑in protection for short‑circuit and overcurrent. The board will shut down safely if a fault happens. The forced‑air fan pushes cool air through the heatsink. This extends the life of the SCR devices. The front panel has simple LED lights. They show when power is on, when the board is in run mode, and if any error occurs. These lights help operators spot problems fast.
🏭 Industrial Applications
This SCR controller is used in power plants for generator excitation. It also finds use in large DC motor drives in steel mills and mines. It works well in oil and gas control centers to keep voltage stable. Plants with combined‑cycle turbines use this board to manage exciter field current. It also fits in backup generators for hospitals and data centers. In pulp and paper mills, it drives water pumps and digester fans that need precise speed control. Each installation sees harsh start–stop cycles and changing load. The 36P1‑4850‑B handles these conditions with steady performance. It meets industrial standards for electrical safety and immunity to noise.
📰 Recent Industry News
In the last year, many utilities have upgraded exciter controls to meet stricter grid codes. New rules call for faster response to voltage dips and frequency shifts. This drives demand for SCR boards with millisecond‑level firing control. Several power plants in Asia and Europe reported lower downtime after swapping to advanced excitation cards. Reports show up to 15% savings in field current energy use by fine‑tuning SCR firing. Some plants now link exciter boards with online monitoring systems for real‑time health checks. Beyond grid code needs, renewable hybrid sites use similar controllers to balance wind and solar feed with diesel backup.
📊 Recommended Similar Products
| Model Number | Description | Application Area | Stock Status |
|---|---|---|---|
| 36P1-4850-A | SCR Controller, 400 A, 480 V | Turbine Excitation | ✅ In Stock |
| 36P1-6000-B | High‑Power SCR Supply, 600 A, 600 V | Large Generator Exciter | ✅ In Stock |
| 36P1-3000-B | Phase Proportioning Controller, 300 A, 480 V | Industrial DC Drives | ✅ In Stock |
| 36P1-4850-C | Enhanced I/O SCR Controller, 480 V, 500 A | Grid‐Code Compliant Sites | ✅ In Stock |
| 36P1-4850-D | Redundant Exciter Control Board | Critical Infrastructure | ✅ In Stock |
🏢 About Zhangzhou Fengyun Electric Equipment Co., Ltd.
Zhangzhou Fengyun Electric Equipment Co., Ltd. offers a wide range of industrial automation parts. The company has solid technical strength and global trade links. They import and export top European and American control brands. Their main products include PLC modules, drives, power supplies, and redundancy boards. They serve power plants, factories, and EPC firms around the world. Fengyun keeps large stock to meet urgent needs. Their team gives fast pre‑sale advice and after‑sale support in English and Chinese.
For sales help, contact:
Sales Engineer Amy
📞 +86 153 5902 9662
✉️ geabbamy@gmail.com
