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YCH7-125 series isolating switch is suitable in the resistive circuit of AC 50/60HZ,ratedvoltage 230/400V,rated current up to 125A.
It’s used primarily forcircuit’s turning on or off in non-load edsituation.And it functions onconnection and isolation between lines and power,especially suitable to isolate powereffectively and prevent circuit breaker from dosing accidentally when maintainthe circuit inorder to ensure the safeoperation of maintainer
Standard:IEC600947-3
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Contact position indication
Anti-skid handle for easy and reliable operation
Flame retardant,high temperature resistance and impact resistance
Model | YCH7-125 | ||
Electrical 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.Freq.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 |