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11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker

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11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker

Large Image : 11kV Three Pole Circuit Breaker 630A - 1250A Switchgear Vacuum Circuit Breaker

Product Details:

Brand Name:	MacweyTek
Certification:	Type Test Report
Model Number:	VMK-12/24KV

Payment & Shipping Terms:

Minimum Order Quantity:	1pc
Price:	$800-$3999
Packaging Details:	wooden cases
Delivery Time:	15 days
Payment Terms:	T/T
Supply Ability:	3000pcs

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Detailed Product Description

Name:	Three Pole Circuit Breaker	Rated Voltage:	12kV/24kV
Rated Current:	630A, 1250A, 1600A, 2000A, 2500A, 3150A	Short Circuit Breaking Current:	20kA, 25kA, 31.5kA, 40kA
Peak Short-Circuit Closing Current:	50kA (20kA Level) To 100kA (40kA Level)	Power Frequency Withstand Voltage:	42kV/1min
Highlight:	11kV Three Pole Circuit Breaker , Three Pole Circuit Breaker 630A , 1250A Switchgear Vacuum Circuit Breaker

11kV 3 Pole Vacuum Circuit Breaker 630A-1250A for RMU Switchgear

630A | 1250A | 11kV | For RMU Switchgear

Three phase AC 50Hz indoor high-voltage switchgear, specifically designed for rated voltage 12kV (extended to 24kV and 35kV) power systems. Provides control and protection of transmission and distribution lines, with optimal performance for frequent operations and short-circuit current breaking scenarios. Complies with international standards including GB1984, DL/T403, and IEC60056.

Key Specifications

Basic Parameters

Parameter	Value
Rated Voltage	12kV/24kV (three-phase AC 50Hz)
Rated Current	630A, 1250A, 1600A, 2000A, 2500A, 3150A
Short Circuit Breaking Current	20kA, 25kA, 31.5kA, 40kA
Peak Short-Circuit Closing Current	50kA (20kA level) to 100kA (40kA level)
Power Frequency Withstand Voltage	42kV/1min
Lightning Impulse Withstand Voltage	75kV (peak)

Mechanical Characteristics

Contact Opening Distance: 11 ± 1mm
Contact Stroke: 3.5 ± 0.5mm
Average Opening Speed: 1.1 ± 0.2m/s
Closing Bounce Time: ≤ 2ms (≤ 3ms@40kA)
Opening Time: ≤ 50ms
Closing Time: ≤ 100ms
Mechanical Lifespan: 20,000-30,000 cycles

Structural Features

Integrated design with operating mechanism and circuit breaker body
Supports fixed or handcart installation
Vacuum arc extinguishing technology in epoxy resin insulation cylinder (APG process)
Energy Storage Motor: Permanent magnet DC motor (AC/DC 110V/220V universal)
Energy Storage Time: ≤ 15 seconds

Environmental Requirements

Temperature Range: -15℃ to +40℃ (storage/transportation to -30℃)
Altitude: ≤ 1000m (up to 4500m for plateau type)
Relative Humidity: Daily average ≤ 95%, monthly average ≤ 90%

Tag:

Contact Person: Alec Sung

Tel: 0086-13625845635

Fax: 0086-574-88478873

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