33kv oil circuit breaker specification

Here is a general specification for a 33kV oil circuit breaker:

General

• Type: Oil circuit breaker (OCB)
• Voltage rating: 33kV
• Current rating: 630A to 4000A (depending on the manufacturer and type)
• Frequency: 50Hz or 60Hz
• Insulation level: 42kV to 50kV (depending on the manufacturer and type)
• Operating mechanism: Spring-charged or motor-driven
• Arc-quenching medium: Oil (mineral oil or silicone-based oil)

Electrical

• Rated short-circuit breaking current: 20kA to 40kA (depending on the manufacturer and type)
• Rated short-circuit making current: 20kA to 40kA (depending on the manufacturer and type)
• Rated voltage withstand: 42kV to 50kV (depending on the manufacturer and type)
• Rated current withstand: 630A to 4000A (depending on the manufacturer and type)
• Rated power frequency withstand: 50Hz or 60Hz
• Rated impulse withstand: 250kV to 350kV (depending on the manufacturer and type)

Mechanical

• Operating mechanism: Spring-charged or motor-driven
• Operating time: 0.1 seconds to 1 second (depending on the manufacturer and type)
• Closing spring charge: 10N to 50N (depending on the manufacturer and type)
• Opening spring charge: 10N to 50N (depending on the manufacturer and type)
• Operating stroke: 10mm to 50mm (depending on the manufacturer and type)

Insulation and Arc-quenching

• Insulation level: 42kV to 50kV (depending on the manufacturer and type)
• Arc-quenching medium: Oil (mineral oil or silicone-based oil)
• Arc-quenching distance: 10mm to 30mm (depending on the manufacturer and type)
• Arc-quenching time: 10ms to 50ms (depending on the manufacturer and type)

Environmental

• Operating temperature: -20°C to 40°C (depending on the manufacturer and type)
• Storage temperature: -40°C to 60°C (depending on the manufacturer and type)
• Humidity: 50% to 90% RH (depending on the manufacturer and type)
• Altitude: Up to 1000m (depending on the manufacturer and type)

Certifications and Standards

• Compliance with IEC 62271-100, IEC 62271-102, and other relevant standards
• Certification by a recognized testing laboratory (e.g. KEMA, VDE, etc.)

Dimensions and Weight

• Length: 1000mm to 2000mm (depending on the manufacturer and type)
• Width: 300mm to 600mm (depending on the manufacturer and type)
• Height: 500mm to 1000mm (depending on the manufacturer and type)
• Weight: 50kg to 500kg (depending on the manufacturer and type)

Please note that these specifications are general and may vary depending on the manufacturer and specific model of the oil circuit breaker. It is recommended to consult the manufacturer's documentation and specifications for a specific product.