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Indoor Air Switch Disconnector

DAYA electrical is a large-scale Indoor Air Switch Disconnector manufacturer and supplier in China. We have been specialized in High voltage equipment for many years. Our products have a good price advantage and cover most of the South America, Middle East, Africa, Southeast Asia markets. We look forward to becoming your long-term partner in China.Be it energy supply corporations, industry or power stations, any owner or user of primary distribution systems for medium voltage places high demands on the switchgear. These include reliable technology, ease of operation, and economy. With our complete range of circuit breaker and switchgear systems for medium-voltage, Siemens sets the standards when it comes to reliable and efficient solutions

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Product Description

DAYA Indoor Air Switch Disconnector Details

Air-insulated switch disconnectors are suitable for cable sectionalizer, transformer and motor circuit switching, in secondary distribution substations for supplying lines, transformers and ring networks, can be combined with DIN standard fuses for transformer protection.

Indoor Air Switch-disconnector, NAL/NALF/VR, Installation and and Operation Manual, 3408PL1674-W1 EN. ID:9AKK106713A3226 REV:L English A detailed mounting and operation manual of the Indoor Air Switch-disconnector NAL/NALF/VR (rated voltage 12, 17.5, 24 and 36 kV; rated current 400/ 630, 800 and 1250 A).

DAYA Indoor Air Switch Disconnector Parameters

High number of breaking operations at rated current value
Compact dimensions for panel and prefabricated substation applications
Rated short-circuit withstand current up to 31.5 kA/1s
Earthing switch with making capacity
Wide range of operating temperatures
Visible insulating gap
Design class 2 for selected types according to IEC/TS 62271-304:2008-05

DAYA Indoor Air Switch Disconnector Advantages

Capability for application with frequent switching requirement
Ability to close at high short circuits currents in cooperation with current limiting fuses
Full range protection in combination with CEF/CEF-S current limiting fuses
Safe and reliable solution for short circuit currents interruptions
Cost efficient solution for transformers protection
Smart grid ready

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