Audited Supplier
| Voltage class | Service scope | Virtual value of nominal system voltage (kV) | Chinese standard arrester model | Virtual value of arrester rated voltage (kV) | Gapless arrester | Gapped arrester | Peak value of residual voltage (kV) (no larger than) | 2000 us square wave flow capacity (A) | (KA)4/10 high current compression capacity (KA) | ||||||
| Virtual value of continuous voltage (kV) | D.C. 1mA reference voltage(kv) is no less than | (uA)MAX.leakage (uA)under 0.75 times Of D.C.reference voltage | Virtual value of P.F. discharge voltage(kV)is no less than | Peak value of 1.2/50 impulse discharge voltage (kV) is no larger than | (uA)max.Conduction current (uA) | 8/20 under the lighting current impulse | 30/60 under switching current impulse | 1/4 under steep current impulse | |||||||
| low voltage | Distrbution model | 0.22 | YH1.5W-0.28/1.3 | 0.28 | 0.24 | 0.6 | 50 | - | - | - | 1.3 | - | - | 75 | 25 |
| 0.38 | YH1.5W-0.5/2.6 | 0.5 | 0.24 | 1.2 | 50 | - | - | - | 2.6 | - | - | 75 | 25 | ||
| motor mode | 0.66* | YH2.5WD-1.3/3.6 | 1.3 | 0.95 | 1.8 | 50 | - | - | - | 3.6 | - | - | 200 | 40 | |
| 1.14* | YH2.5WD-2.6/2.7 | 2.6 | 1.9 | 3.6 | 50 | - | - | - | 7.2 | - | |||||
We are specializing in the production of high-voltage power transmission and distribution equipment, the products mainly include zinc oxide resistors, zinc oxide surge arresters, drop-out fuses, composite insulators, overvoltage protectors and isolating switches.Company had passed ISO 9001: 2015 quality management system certification and ISO 14001 environment protection and ISO45001 system certification, passed GB, IEC, IEEE standards, passed KEMA, XIHARI and national laboratory type test reports.
Now,the company's designing team members have more than 30 years of industry experience and strong R & D capabilities. At present, it has obtained 106 national utility models and invention patents, and its product technology has reached the leading level in the domestic industry. The company has advanced push plate furnace, 50KG spray granulator, 100T automatic press, double-end surface grinder, automatic aluminum spray equipment, 4/10 high current testing equipment, unattended aging equipment, etc. The company's products sell well at home and abroad, and have been exported to more than ten countries in Southeast Asia, Europe, South America, Africa and other regions.
- Products are strictly in accordance with GB, IEC, IEEE and other standards
- It has excellent nonlinear volt ampere characteristics.
- Simple structure, no gap, small size, light weight.
- Fast action response and good protection performance.
- Large flow capacity.
- No continuous current, able to withstand multiple lightning overvoltage or switching overvoltage.
- Good pollution resistance.
ISO 9001 2015 & ISO 14001 2015 & ISO 45001 2018
