400A 3-Phase Load Break Switch
This 400A load break switch is designed for 3-phase electrical systems. It provides reliable isolation and switching capabilities in electrical circuits.





Technical Specifications
Overview
High-Performance Load Isolation
The HGL series load break switch is engineered for reliable 3-phase circuit making and breaking in demanding industrial environments. Featuring an elastic-accumulating accelerating mechanism, it achieves rapid switching speeds of 13.8m/s to effectively extinguish electric arcs. The robust shell, constructed from glass fiber reinforced polyester resin, provides superior flame resistance and dielectric performance for safe, long-term operation.

Key Performance Metrics
Key Performance Metrics
Technical Specifications
- Rated Voltage (AC)
- 400V / 660V
- Rated Voltage (DC)
- 440 V
- Frequency
- 50 Hz
- Number of Poles
- 3-Pole4-Pole
- Installation
- Fixed Type
Design & Materials
Safety Features
- Flame retardant V0 rating
- Parallel double gap contact with self-cleaning function
- Triple-lock handle capability in '0' position
- Instant release accelerating mechanism
- Contact Material
- Copper alloy plated with silver (T2 Copper)
- Enclosure Material
- Unsaturated polyester resin reinforced by glass fibre

Product Range
Available Models & Ratings
| Model Series | Poles | Rated Current Options |
|---|---|---|
| HGL-160 | 3P/4P | 100A, 160A |
| HGL-250 | 3P/4P | 200A, 250A |
| HGL-400 | 3P/4P | 315A, 400A |
| HGL-630 | 3P/4P | 500A, 630A |
| HGL-1250 | 3P/4P | 800A, 1000A, 1250A |
| HGL-3150 | 3P/4P | 1600A, 2500A, 3150A |
Compliance & Quality
Certifications
- Warranty
- 18 Months



