Skip to content CH7-125N isolating switch is designed for AC 50/60Hz circuits with rated voltage of 230/400V and current up to 125A. It is mainly used for switching on/off circuits under no-load conditions, and provides safe and reliable isolation between power supply and load. Ideal for maintenance scenarios to prevent accidental closing and ensure operator safety.
Standard: IEC60947-3
| Type | Standard | IEC60947-3 | |
| Electrica features | Poles | P | 1, 2, 3, 4 |
| Rated voltage Ue | V | 230/400 | |
| Rated current le | A | 20, 32, 40, 63, 80, 100, 125 | |
| Rated frequency | Hz | 50/60 | |
| Rated impulse withstand voltage(1.2/50)Uimp | V | 4000 | |
| Rated short-time withstand current Icw | 12le,1s | ||
| Rated making and breaking capacity | 3le, 1.05Ue, cosΦ=0.65 | ||
| Rated short circuit making capacity | 20le,t=0.1s | ||
| Dielectric test voltage at ind.Freg.for 1min | Kv | 2.5 | |
| Insulation voltage Ui | V | 500 | |
| Pollution degree | 2 | ||
| Use Category | t | AC-22A | |
| Mechanical features | Electrical life | t | 1500 |
| Mechanical life | 8500 | ||
| Protection degree | IP20 | ||
| Installation | Terminal size top/bottom | mm² | 50 |
| for cable and pin-type busbar | AWG | 18-1/0 | |
| Operating conditions | Ambient temperature(with daily average≤35℃) | -25~+60 | |
| Altitude | Not higher than 2000m | ||
| Installation Method | Embedded vertical standard rail mounting | ||
| Wiring Method | Clamp connection wire with screw,tightening torque 2.5N.m |
