| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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Application:
This load break switch is designed for general-purpose switching on overhead main lines and branches in 11kV and 33kV systems. It is ideal for sectionalizing, ensuring reliable operation and maintenance of power distribution networks. Outdoor Pole-Mounted Three-Phase Three-Pole Load Break Switch with Ground-Level Operating Mechanism
Usual Service Conditions:
Suitable for outdoor installation with galvanized steel enclosure.
Designed to operate under varying load, voltage, and short circuit conditions within assigned ratings.
Capable of withstanding accidental short circuits.
Compatible with climatic conditions prevailing at the site.
Advantages:
Ground-Level Operation: Easy and safe operation from ground level using a standard operating stick.
Spring-Assisted Mechanism: Independent operation speed,.
Lockable Mechanism: Secure locking in both "ON" and "OFF" positions.
Visible Indicators: Clear mechanical indicators for switch status, visible from a distance of eight meters.
Durability: Designed for continuous, satisfactory operation with a long service life.
Safety: Ensures safety for operation and maintenance personnel.
Additional Features:
Galvanized Steel Enclosure: Provides robust protection against environmental elements.
Earthing Point: Facilitates easy connection of earthing cable.
Compliance: Meets IEC 60265-1 and IEC 60129 standards.
Mechanical and Electro-Dynamic Force Resistance: Maintains reliability and current carrying capacity under mechanical and electro-dynamic forces.
Technical Performance:
Load Type: Gang operated with an operating handle.
Rated Normal Current: 400 Amp for 11kV and 600 Amp for 33kV.
System Data for 11kV:
Nominal Voltage: 11000 Volt
Highest System Voltage: 12000 Volt
Frequency: 50 Hz
Short Circuit Level: 25 kA r.m.s at 11kV
System: 3-Phase, 3 wires with neutral earthed through an earthing resistance of 21.1 ohm, limiting earth fault current to 300 Amps.
System Data for 33kV:
Nominal Voltage: 33000 Volt
Highest System Voltage: 36000 Volt
Frequency: 50 Hz
Short Circuit Level: 25 kA r.m.s at 33kV
System: 3-Phase, 3 wires with neutral grounding transformer to limit the earth fault current to 1000 Amps.
Type Designation: [Specific type designation based on model and specifications]
This comprehensive product description highlights the key features, applications, and technical performance of the outdoor pole-mounted three-phase three-pole load break switch, making it clear and appealing to potential customers.
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item
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33 KV
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11 KV
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Nominal voltage
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33000 Volt
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11000 volt
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Highest system voltage
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36000 Volt
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12000 volt
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Frequency
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50Hz
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50 Hz
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Short-circuit current (1 sec)
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25KA
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25 KA
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Rated max continuous current
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600A /630A
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400A
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Max overload breaking current
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800A
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800A
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Basic impulse withstand voltage level (BIL)
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175 Kv
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92KV
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