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10kV 12kV Outdoor Circuit Breaker Three Phase High Voltage Circuit Breaker For MV Switchgear

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10kV 12kV Outdoor Circuit Breaker Three Phase High Voltage Circuit Breaker For MV Switchgear

Large Image : 10kV 12kV Outdoor Circuit Breaker Three Phase High Voltage Circuit Breaker For MV Switchgear

Product Details:

Place of Origin:	China
Brand Name:	MacweyTEK
Certification:	IEC
Model Number:	AB-3S-12

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:	2000 pcs

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Detailed Product Description

Name:	Name	Rated Voltage:	12 KV
Rated Frequency:	50Hz	Rated Current:	630A/1250A
Rated Short-circuit Breaking Current:	20KA	Thermally Stable Current:	20kA
Highlight:	10kV Vacuum Circuit Breaker , 12kV MV Switchgear , Three Phase High Voltage Circuit Breaker

10kV 12kV Outdoor High Voltage Three-Phase Permanent Magnet Vacuum Circuit Breaker for MV Switchgear

Product Overview

The AB-3S-12 series outdoor high-voltage three-phase permanent magnet vacuum circuit breaker represents the latest generation of intelligent vacuum circuit breakers, incorporating advanced domestic and international technologies. This product serves as a switch for 10kV side applications and 10kV outlets of 35kV substation main transformers, and can also function as a pole switch in distribution networks.

Designed for easy control and protection, it seamlessly integrates with various control units produced by our company. With star survey and communication capabilities, it is the preferred equipment for achieving distribution network automation and miniaturization.

Operating Environmental Conditions

Working environment temperature: Maximum 40℃; Daily average not exceeding 35℃; Minimum ambient air temperature -25℃
Air relative humidity: Daily average ≤ 95%, monthly average ≤ 90%; Daily water vapor pressure ≤ 2.2kPa, monthly ≤ 1.8kPa
Altitude: ≤ 2000m
Environment free from significant pollution by dust, smoke, corrosive/flammable gases, steam, or salt spray
Negligible vibration or ground motion from external sources
Secondary system electromagnetic interference amplitude ≤ 1.6kV

Main Technical Parameters

Project	Unit	Parameter
Rated voltage	kV	12
Rated insulation level	1min power frequency withstand voltage (effective value)	kV	42
Lightning impulse withstand voltage (peak value)	kV	75
Rated frequency	Hz	50
Rated current	A	630/1250
Rated short-circuit breaking current	kA	20
Rated short-circuit making current (peak value)	kA	50
Rated operating sequence		Ot1(0.3s)-COt2(3s)-COt2(3s)-CO
Thermally stable current (4S)	kA	20
Dynamic stable current (Peak value)	kA	50
Breaking times of rated short-circuit current	Times	30