The GYCM8RT series is a thermomagnetic adjustable molded case circuit breaker with adjustable thermal and magnetic protection settings. It is designed for AC400V distribution circuits and supports multiple frame sizes, poles, operating mechanisms, wiring methods, and accessories.
Main Features
- Thermomagnetic molded case circuit breaker.
- Thermal adjustable protection: 0.8-1.0 In.
- Magnetic adjustable protection: 5-10 In.
- Low temperature rise and compact body.
- Multi-contact structure.
- Frame currents from 125A to 2000A.
- 3P and 4P versions.
- Multiple wiring and installation options including front wiring, rear wiring, plug-in, withdrawable, and connection bar options by frame.
Frame Ratings
| Frame | Rated current range | Poles | Rated operating voltage |
|---|
| GYCM8RT/A-125 | 16A-125A | 3P / 4P | AC400V |
| GYCM8RT-160 | 25A-160A | 3P / 4P | AC400V |
| GYCM8RT-250 | 100A-250A | 3P / 4P | AC400V |
| GYCM8RT-400 | 320A-400A | 3P / 4P | AC400V |
| GYCM8RT-630 | 400A-630A | 3P / 4P | AC400V |
| GYCM8RT-800 | 630A-800A | 3P / 4P | AC400V |
| GYCM8RT-1250 | 1000A-1250A | 3P / 4P | AC400V |
| GYCM8RT-2000 | 1600A | 3P / 4P | AC400V |
Common Technical Data
| Item | Specification |
|---|
| Rated insulation voltage | 1000V |
| Rated impulse withstand voltage | 8kV |
| Type of overcurrent release | Thermomagnetic |
| Selective category | Class A |
