Zhejiang Goto Electrical Co., Ltd., a leading manufacturer of surge arrester accessories in China, has announced the launch of its latest high-performance product: the GLD10W600A disconnector for surge arresters. This model represents a significant advancement in both reliability and safety, providing robust protection in power systems that demand stringent performance under overvoltage conditions.
With over a decade of collaboration with renowned domestic and international surge arrester manufacturers, Zhejiang Guto has deeply understood the evolving technical requirements in the field. The GLD10W600A disconnector addresses key industry pain points—such as premature tripping, false triggering, and poor assembly consistency—frequently associated with traditional SiC-based thermal disconnectors.
Instead of the conventional silicon carbide resistors, the GLD10W600A employs linear glass film resistors, paired with optimized upper and lower discharge electrode gap control structures. This effectively eliminates instability during disconnector operation and improves response accuracy during fault conditions.
According to internal testing, the GLD10W600A demonstrates outstanding withstand and operating characteristics:
| Test Item | Condition | Result |
|---|---|---|
| Power Frequency 20mA Withstand | 2 hours | Passed |
| High Current Impulse Withstand | 2 shots, 100kA | Passed |
| Long-Duration Current (2ms square) | 18 shots, 600A | Passed |
Disconnector for Surge Arresters 100kA Impulse Withstand
600A Long Duration Current
| Current Level | Tripping Time |
|---|---|
| 50mA | Within 300 seconds |
| 100mA | Within 120 seconds |
| 1A | Within 10 seconds |
| 20A | Within 5 seconds |
Disconnector Ampere-Second Characteristic TestDisconnector Ampere-Second Characteristic Test
GOTO Electrical GLD Time-Current Characteristic Curve
GOTO Electrical GLD Time-Current Characteristic Curve
| Test Item | Value / Method | Result |
|---|---|---|
| Torque Strength | 30 N·m | Passed |
| Tensile Strength | 3000 N | Passed |
| Bending Strength | 1500 N | Passed |
| Sealing (Boiling Salt Water) | 42 hours | Passed |
| Thermal Shock (Hot/Cold) | 10 cycles | Passed |
The GLD10W600A is fully compliant with IEC 60099-4 and GB 11032, ensuring compatibility with international power grid specifications. Its housing is made of thermosetting unsaturated polyester fiberglass reinforced molding compound, offering excellent mechanical strength, weather resistance, and flame-retardant properties.
Engineered for use with surge arresters in 10kV to 35kV power systems—especially those with non-effectively grounded or arc-suppressed coil grounding—the GLD10W600A provides system operators with a safe, long-life, and maintenance-friendly disconnection solution.
Whether for domestic grid upgrades or export markets in Latin America, Southeast Asia, or Eastern Europe, the GLD10W600A is the high-end answer to the evolving challenges in surge protection.
Contact us today to request samples, datasheets, or distribution partnerships.
📧 Email: [[email protected]]
📞 Phone: +86 158 5859 5050
🌍 Web: www.gotoelectrical.com
Optimized by Seraphinite Accelerator
