Solid State Relays & SCR Power Modules
SCR3L Three-Phase Intelligent SCR Voltage Regulator 60A–200A
SCR3L Series Three-Phase Intelligent SCR Voltage Regulator is an integrated SCR power control module designed for 380VAC three-phase resistive load applications. It combines SCR phase control, signal detection and regulation circuits in one compact module, providing smooth and stable voltage adjustment for industrial heating systems. The SCR3L series supports multiple analog control signals, including 4–20mA, 0–10V, 1–5V and 10KΩ potentiometer control.
- Integrated three-phase SCR phase control module
- Suitable for 380VAC three-phase resistive load control
- Supports 4–20mA, 0–10V, 1–5V and 10KΩ potentiometer input
- Built-in AC220V power supply, connect to neutral line
- Optional external DC12V power supply support
- Full isolation design for stable operation
- Compact structure, easy installation inside control cabinets
- Available in 60A, 100A and 200A ratings
- Suitable for heating equipment, molding machines and automation systems
- Lead time
- 3–5 working days
- Warranty
- 12 months
- OEM
- Supported
- Shipping
- Worldwide export
Technical specifications
| Product Series | SCR3L Series |
|---|---|
| Product Type | Three-Phase Intelligent SCR Voltage Regulator |
| Rated Voltage | 3-Phase 380VAC, four-wire |
| Rated Current | 60A / 100A / 200A |
| Frequency | 50Hz / 60Hz |
| Output Voltage Asymmetry | ≤5% |
| Built-in Power Supply | AC220V, connect to N |
| Optional External Power | DC12V ≥1A |
| Control Signal | 4–20mA, 0–10VDC, 1–5V, 10KΩ / 2W potentiometer |
| Mounting Size | 92mm width, 147.6mm height |
| Mounting Hole | Ø5.3mm |
| Application Load | Three-phase resistive load |
Related guides
SCR3L Three-Phase SCR Voltage Regulator: Signal Wiring, Sizing and Installation
Electrical data, control signal options, four-wire 380VAC connection rules, current sizing, mounting dimensions and commissioning steps for the SCR3L three-phase intelligent SCR voltage regulator.
Read guide Technical Guides · 2025-04-12Understanding SCR Voltage Regulator Circuit Diagrams: SCR-100 Controller and M1DK Power Module
How to wire a heating controller to a pulse-triggered SCR power module in single-phase and three-phase systems, using the current SCR-100 and M1DK models (legacy ZKG-2000 / SSR-DV).
Read guide Technical Guides · 2025-08-28BSTY Three-Phase AC Power Regulator: Reliable Power Control for Industrial Applications
The BSTY Three-Phase AC Power Regulator is a reliable solution for industrial voltage control, supporting multiple input signals (0–5V, 0–10V, 4–20mA, potentiometer) and optional RS485 communication. With built-in soft-start, over-temperature protection, and complete isolation between control and power circuits, it ensures safe and stable operation. Designed for fans, pumps, torque motors, and heating equipment, the BSTY regulator combines flexible control, simple wiring, and robust protection for demanding industrial environments.
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