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50Hz MV Circuit Breaker Pole Mounted SF6 Gas Circuit Breakers Outdoor

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50Hz MV Circuit Breaker Pole Mounted SF6 Gas Circuit Breakers Outdoor

Large Image : 50Hz MV Circuit Breaker Pole Mounted SF6 Gas Circuit Breakers Outdoor

Product Details:

Place of Origin:	China
Brand Name:	MacweyTEK
Certification:	IEC
Model Number:	LW-12F

Payment & Shipping Terms:

Minimum Order Quantity:	1 pc
Price:	$1000-$2000
Packaging Details:	wooden case
Delivery Time:	15 days
Payment Terms:	T/T
Supply Ability:	3000pcs

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Detailed Product Description

Name:	MV Circuit Breaker	Rated Voltage:	12kV
Rated Frequency:	50Hz	Rated Cable Charging Current:	25A
Rated Short-circuit Breaking Current:	20kA	Rated Working Pressure:	0.35Mpa
Highlight:	50Hz MV Circuit Breaker , Pole Mounted SF6 Gas Circuit Breakers , SF6 Gas Circuit Breakers Outdoor

12kV 630A Outdoor Pole-Mounted SF6 Circuit Breaker

The 12kV outdoor pole-mounted SF6 circuit breaker is a new generation product developed to meet the primary and secondary integration requirements of the national grid. This switch features a compact structure, rational layout, and comprehensive functionality, with all indicators meeting State Grid integration standards.

Equipped with unified parameter protection CT, zero sequence CT, and zero sequence voltage sensors, this breaker offers wide measurement range, high accuracy, and exceptional reliability. The complete analog system enables precise detection of various line faults.

Operating Environmental Conditions

Ambient air temperature: -40℃ to +40℃
Altitude: ≤3000m
Pollution level: Grade IV (tolerant of dust, smoke, corrosive gases, steam, or salt mist)
Maximum wind speed: 34m/s (equivalent to 700Pa surface pressure)
Minimal external vibration or ground motion
Secondary system electromagnetic interference ≤1.10kV

Main Technical Parameters

Electrical Technical Parameters

Project	Unit	Parameter
Rated voltage	kV	12
Rated frequency	Hz	50
Rated current	A	630
Rated short-time withstand current	kA	20
Rated short-time withstand current passing time	S	4
Rated short-time withstand current (peak value)	kA	50
Rated short-circuit making current (peak value)	kA	50
Rated cable charging current	A	25
Rated short-circuit breaking current	kA	20
Rated operating sequence		Points-0.3s-he points-180s-he points
Rated working pressure (gauge pressure at 20℃)	Mpa	0.35
Minimum functional pressure (gauge pressure at 20℃)	Mpa	0.25

Project	Unit	Parameter
Rated power frequency withstand voltage (1 minute)	kV	42 (alternately and relatively) 48 (insulation break)
Rated lightning impulse withstand voltage (BIL)	kV	75 (alternately and relatively) 85 (insulation break)
Rated mechanical stability		10,000 times (E2 level)
Annual leakage rate of SF6 gas		≤0.5%
Rated closing/opening operating voltage	V	DC24V
Total weight	kg	175
Dimensions (L×W×H)	mm	1015×950×580