protector unit

1. Mainly consist of crust, gas or solid tube arrester, thermal resistance PTC, reed and base pin;
2. Cladding:phosphorus bronze and silver plating(20-40uinch);
3. The performance of anti-burn ABS(UL94V-0), Combustibility achieved GB/T 5169.7-1985 standard;
4. Insulated resistance:under satndard atmospheric pressure, the insulated resistance is not lower than 1, 000M ohm;
5. Over voltage and over currency protection:meeting the industry standard;
6. The performance of fail safe:when discharge achieve 2.5Ar.m.s.
The a line or b line should be 5-15s internal earthing in the discarge loop;
7. Eletric specifications
Protector Characteristics Requirements


Gas/Solid Tude DC spark-over voltage Udc=220v
Impulse spark-over voltage Umax≤800V(1000V/us)
ARC Voltage 1000M ohm to 100 VDC


PTC Thermistor Resistance DC ≤22Ω
Current of holding Lower to 100 mA after testing duting 1 hour at 30℃, 60/DC
Trip Time 1.5 sec.at 1AMP