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LW30-252T4000-50 HV SF6 Circuit Breaker

LW30-252 outdoor high-volt SF6 circuit breaker, three-phase AC 50Hz outdoor switchgear, is applicable for the control and protection of 252KV power transmission and distribution system and the network interconnected circuit breaker.

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Service and Installation Conditions
Ambient temperature: -30℃~+40℃(special order - 50℃~+40℃)
Altitude:≤1000m(No limitation for special order)
Humidity:
Relative humidity at average per day (25℃): ≤95%
Relative humidity at average per month:≤90%
Saturation vapour pressure: Daily average ≤ 2.2×10MPa
Monthly average ≤ 1.8×10MPa
Wind pressure: ≤ 700Pa
Icing thickness: 10mm
Seismic intensity:
Horizontal acceleration:≤ 0.3g
Vertical acceleration:≤ 0.15g
Sunshine intensity: 0.1w/cm (at wind velocity of 0.5m/s)
Max. daily temperature rise: 25℃
Symmetrical Creepage distance: 31mm/kV
Protection class: IP54
Keep the breaker away from places with combustible, explosive, corrosive materials and violent vibrations