Product Description
This 27kV metal-enclosed switchgear is made from that good aluminium zinc coated sheet, so it is built to last. Operation is smooth and flexible, parts are easy to swap out, it is stable, safe, and fairly smart too. You can pair it with either domestic or imported circuit breakers, which gives you some flexibility. As for where you would use it, think power generation plants, substations, and all kinds of industrial, commercial, and construction settings.
Advantages
- Compartmentalized metal-clad design.
- Insulated bus conductors and connections.
- Automatic shutters that open and close with breaker racking position.
- 2-high breaker over breaker configurations available for indoor and outdoor designs Closed door racking.
Applications
- Utility Applications
- Industrial Facilities
- Commercial and Institutional
- Infrastructure
Frequently Asked Questions
Q1: What is the difference between 27kV Metal-Enclosed Switchgear and 27kV Metal-Clad Switchgear?
A: The main difference comes down to how they are built and what switching devices they use.For 27kV Metal-Enclosed Switchgear,which follows IEEE C37.20.3,the construction is compartmentalized but there is no requirement for metal barriers between those compartments,and it typically uses fixed-mounted load interrupter switches,the fusible type.Metal-clad switchgear,on the other hand,follows IEEE C37.20.2 and requires grounded metal barriers between all the major compartments,plus it uses draw-out circuit breakers exclusively.So metal-enclosed designs are more of a cost effective option when you do not really need all the extra features that metal-clad offers.
Q2: What are the standard current ratings for it?
A: For load interrupter switches,the standard loadbreak current ratings go up to 600 amps.If you need something custom,continuous current ratings can go as high as 3000 amps.That said,this switchgear is really meant for applications where you are not doing high duty cycle operation.
Q3: What is the BIL rating for it?
A: For the 27kV class,the Basic Impulse Level comes in at 125 kV peak,which gives you solid protection against lightning strikes and switching transients at this voltage level.
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