OPTICAL CABLE CLOSURE

SPECIFICATIONS: environment temperature : -40 +55 Airproof : air pressure inside box 100KPA, pointer immovability after 24 hours or no air bell within 15 min when parked in the common temperature water. Re-encapsulation performance: no change in the index of air-proof performance after three times of repeat encapsulation. Insulation resistance: ≥2×104MΩ/500V Voltage-resistance stength: under the effect of 15kVDC/1min,non-puncture,no arc-over