Ensure your overhead network operates reliably for many years by choosing surge arresters that are resistant to UV radiation and harsh weather conditions.
Choose surge arresters suited to your installation
ASW
Indoor MV gapless surge arresters for use
Short-circuit withstand current of up to 31.5 kA
High energy absorption capacity
Stable performance under continuous operating voltage
ASM
Outdoor MV gapless surge arresters for overhead applications
Short-circuit withstand current of up to 31.5 kA
High energy absorption capacity
Excellent mechanical properties
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Expert insights
Find out how correctly selected switch disconnectors improve safety, make maintenance work easier and protect your installation against unforeseen incidents.
Minimise the risk of network failures
Make sure your electrical installation is safe
What should you look out for when choosing isolating switches?
Switch disconnectors play a key role in every electrical installation, protecting it from the effects of short circuits and overloads. Therefore, the purchasing decision requires not only analyses of technical parameters (e.g. rated current, mechanical endurance, IP rating), but also an assessment of other factors that affect the safety of the installation and personnel. Here are a few of them:
- features – find out whether the switch disconnectors can lock the drive in a specific position and whether they offer the option to change the up/down direction of movement. Check whether they allow for contactless replacement of fuse links and remote monitoring;
- safety – verify standards compliance with Polish and European standards, confirmed by certificates. Check the design for optimal heat dissipation, flammability class and level of protection against direct contact;
- installation flexibility – assess the speed and ease of installing the switch disconnectors for staff. Check which mounting systems the device is compatible with (e.g. busbars, mounting plates, DIN TH-35 rails);
- infrastructure compatibility – enquire about related solutions, e.g. switchgear monitoring software, busbar systems or product standardisation within a single solution group.
If you are unsure whether a particular switch disconnector is the right choice for your installation, please contact us. We will help you make a decision and support you through the subsequent stages of implementation.